Modified copper silica gel is a functional composite adsorbent loaded with copper-based active components on porous silica gel substrate. Different from ordinary indicator silica gel, it features s...
Application Fields of Water-Resistant Silica Alumina Gel
2026-06-24
Water-resistant silica alumina gel is a high-performance composite porous adsorbent with stable skeleton structure, excellent mechanical hardness and strong liquid water resistance. Unlike common s...
Production Process of Water-Resistant Silica Alumina Gel
2026-06-24
Water-resistant silica alumina gel is a modified porous inorganic composite adsorbent, upgraded from common silica alumina gel with anti-pulverization and liquid-water resistance properties. Its st...
The Difference Between Silica Gel Desiccant and Catalyst
2026-06-09
Why do some silica gel absorb moisture while others accelerate chemical reactions?Have you ever wondered why the "Do Not Eat" silica gel packets on food packaging and the catalysts used in petroleu...
Application of Wide Pore Microsphere Silica Gel
2026-04-28
Wide Pore microsphere silica gel is an amorphous active adsorbent material with silica (SiO₂) as its main component. It is non-toxic, chemically stable, and insoluble in water and organic solvents ...
Applications of Water - resistant Aluminum Silica Gel
2026-04-08
Water - resistant aluminum silica gel, with its outstanding water - resistant property and strong adsorption capacity, has been widely applied in multiple fields. It is used in chemical separation and
Aluminum silica gel, or aluminum chlorohydrate, has wide - ranging applications. In water treatment, it is used for urban and industrial water purification, improving water quality and reducing costs.
Modified - copper silica gel combines the properties of silica gel and copper, resulting in a material with multiple applications. It can be used as a catalyst in chemical reactions, for the adsorptio
Application Fields of Wide - Pore Microsphere Silica Gel
2026-02-28
Wide - pore microsphere silica gel has unique properties that make it suitable for multiple application fields. This article details its uses in chromatography, catalysis, adsorption, biomedicine, env
Production Process of Wide - Pore Microsphere Silica Gel
2026-02-28
This article comprehensively introduces the production process of wide - pore microsphere silica gel. It starts with raw material selection, including sodium silicate and silicon alkoxide. Then, it de
Application Fields of Modified Copper Silica Gel Catalyst
2026-02-28
The modified copper silica gel catalyst, composed of copper - based particles and a silica gel matrix, has unique properties. It can be used in oxidation reactions, hydrogenation reactions, desulfuriz
Production process of modified copper silica gel catalyst
2026-02-28
The production of modified copper silica gel catalysts involves multiple steps. First, appropriate raw materials are chosen. Then, the silica gel is modified to enhance its properties. A copper soluti
Wide pore microsphere silica gel has high adsorption capacity, excellent thermal stability, a wide range of applications, good chemical stability, and is easy to use and handle. These advantages make
The article details the properties of wide pore microsphere silica gel. It has unique physical features like spherical particles, large pore size, and specific density. Chemically, it is mainly silico
Wide pore microsphere silica gel has unique physical and chemical properties. It is applied in catalysis as a catalyst support, in HPLC for high - resolution separations, in biomedicine for drug deliv
This article explores the process of producing wide pore microsphere silica gel. It starts by introducing the basics of the silica gel, including its properties and applications. Then it details the s
Catalytic Pyrolysis of HDPE with Polyolefin Catalysts
2025-12-30
The article first introduces the significance of catalytic pyrolysis of HDPE with polyolefin catalysts in polymer recycling. It then elaborates on the properties of HDPE and different types of polyole
The article delves into the unique traits of polybutene catalysts, showcasing their significance in the polymerization process and the final properties of polybutene. From chemical makeup to impact on
The article discusses the importance of polyolefin catalysts in container production. It details different types of polyolefin catalysts, such as non - bridged metallocene, bridged metallocene, and co
The article first introduces the types of polypropylene catalysts, mainly ionic and coordination polymerization catalysts. It then elaborates on the performance indicators such as activity, selectivit
The article discusses recent advancements in polyethylene catalysts and their new applications. It covers the production of high - performance polyethylene, sustainable polyethylene, specialty polyeth
Highly Efficient Polyolefin Catalyst Production Methods
2025-12-12
The article discusses different methods of producing highly efficient polyolefin catalysts. It covers supported high - efficiency catalyst components, noble - metal - free nickel catalysts for waste p
The Difference between Aluminum Silica Gel and Water - Resistant Aluminum Silica Gel
2025-11-29
The article details the distinctions between aluminum silica gel and water - resistant aluminum silica gel. It covers aspects such as their physical properties (appearance, density, particle size), ad
This article comprehensively explores the production of aluminum silica gel. It first introduces the characteristics of aluminum silica gel, then elaborates on two main production methods: the traditi
This article provides a detailed introduction to polyethylene catalysts. It first defines polyethylene catalysts and emphasizes their significance in the polyethylene industry. Then it elaborates on d
Polyethylene catalysts are substances that increase the rate of polyethylene synthesis. They are used to catalyze the polymerization of ethylene monomers, control the molecular weight of polyethylene,
This article details the production of polyethylene catalysts. It first introduces various types of polyethylene catalysts, then elaborates on the production processes of chromium - based and Ziegler
How to Produce Water-resistant Aluminum Silica Gel
2025-10-27
This article covers the basics of water-resistant aluminum silica gel, including its structure and factors affecting water resistance. It details the selection of raw materials, preparation of equipme
Water - resistant Aluminum Silica Gel vs Regular Silica Gel
2025-10-25
The article first introduces both types of silica gels. It then analyzes their composition and structure, showing how the addition of aluminum in water - resistant aluminum silica gel changes its prop
Properties of Water - resistant Aluminum Silica Gel
2025-10-23
This article delves into the properties of water - resistant aluminum silica gel. It first introduces the material and its importance. Then, it details the physical and chemical properties, including
Best Water - resistant Aluminum Silica Gel for Moisture Control
2025-10-21
This article elaborates on the best water - resistant aluminum silica gel for moisture control. It details its advantages such as high water - absorption and reusability, applications in multiple indu
Applications of Water - resistant Aluminum Silica Gel
2025-10-19
The article details the various applications of water - resistant aluminum silica gel in different industries. It shows how this material is used for moisture protection in electronics, drug preservat
Difference between Aluminum Silica Gel and Water - resistant Aluminum Silica Gel
2025-10-17
The article details the distinctions between aluminum silica gel and water - resistant aluminum silica gel. It analyzes their composition, where water - resistant gel has a hydrophobic coating. Their
Application Examples and Prospects of Melamine Catalysts
2025-09-19
The article details the application examples of melamine catalysts in multiple chemical processes such as cyclic carbonate synthesis, Suzuki - Miyaura coupling, melamine production, and photoelectroca
The article delves into the process of preparing melamine catalysts. It starts with the importance of catalyst selection and then discusses the raw materials used. Different preparation methods such a
The article focuses on the performance comparison of melamine catalysts. It analyzes how different catalysts affect the synthesis of melamine - formaldehyde polymers in terms of reaction steps, polyme
Melamine Catalyst for Industrial Use: An In - Depth Exploration
2025-09-07
The article details the types of melamine catalysts for industrial use, their functions in facilitating the reaction of urea to form melamine, the production processes involving these catalysts, the i
This article details the definition, types, working mechanisms, applications, advantages, and challenges of melamine catalysts. It explains how these catalysts work in melamine - related chemical proc
Titanium - Silicon Catalysts for Oxidation Reactions: A Comprehensive Overview
2025-08-20
The article discusses the significance of titanium - silicon catalysts in oxidation reactions. It covers their synthesis methods, catalytic performance in different oxidation reactions, advantages suc
Titanium - silicon catalysts, such as TS - 1 zeolite, have diverse applications. They are effective in oxidation reactions like phenol hydroxylation, in producing lactic acid from saccharides when cou
Properties and Applications of Titanium Silicate - 1 Catalyst
2025-08-14
The article discusses the various properties of the Titanium Silicate - 1 catalyst. It details its chemical structure, which provides a unique pore system for selective reactions. The excellent cataly
The TS - 1 zeolite titanium - silicon catalyst is a significant catalyst in the field of catalysis. This article details its structure, various synthesis methods, catalytic activity in oxidation react
Titanium - silicon Composite Oxide Catalyst: Properties, Preparation, and Applications
2025-08-08
This article focuses on titanium - silicon composite oxide catalysts. It first introduces their properties, including catalytic performance, solvent resistance, and thermal stability. Then, it elabora
Titanium-silicon Catalyst: Synthesis, Structure, Applications, and Future Prospects
2025-08-05
This article discusses the various aspects of titanium - silicon catalysts, including their synthesis methods, structures, applications in different reactions, advantages such as high catalytic activi
The article focuses on new polyethylene catalysts. It classifies them into metallocene, post - metallocene, and single - site catalysts. It explains their working mechanisms, advantages such as tailor
The article details the application areas of polyethylene catalysts. It shows how they are crucial in the production of polyolefin elastomers (POE) for automotive and other industries, in the photovol
The article discusses different types of polyethylene catalysts such as Ziegler - Natta, chromium - based, metallocene, and single - site catalysts. It elaborates on their mechanisms of action, applic
Applications of Water - Resistant Aluminum Silica Gel
2025-07-27
The article details the multiple applications of water - resistant aluminum silica gel. It can be used as an adsorbent in industry for water treatment, in air purification to remove moisture and harmf
This article delves into the features of water - resistant aluminum silica gel. It details the composition and structure, water - resistant mechanism, performance in various environments, comparison w
The article details the various advantages of water - resistant aluminum silica gel. It has excellent water - resistant ability to protect electronic devices and packaged products. It shows high chemi
Preparation of Palladium Catalyst: A Comprehensive Guide
2025-06-13
This paper focuses on the preparation of palladium catalysts. It first classifies palladium catalysts into homogeneous and heterogeneous types. Then, it details the preparation methods of palladium co
Advantages of Wide Pore Microsphere Silica Gel in Epoxy Composites
2025-06-10
The article details the multiple advantages of wide pore microsphere silica gel in epoxy composites. It can reduce thermal expansion, enhance heat and wet resistance, lower dielectric constants, impro
Recovery of Palladium from Spent Palladium Catalyst
2025-06-09
This article explores the recovery of palladium from spent palladium catalysts. It first highlights the importance of palladium recovery due to its wide industrial applications and limited resources.
Comparison of Wide Pore and Narrow Pore Silica Gel
2025-06-06
The article discusses the differences between wide - pore and narrow - pore silica gel. It analyzes their structural features, adsorption and thermal properties, preparation methods, and applications.
Determination of Trace Palladium in Palladium Catalyst
2025-06-05
This article emphasizes the significance of accurately determining trace palladium in palladium catalysts for product quality control, process optimization, and environmental monitoring. It introduces
This article details the applications of wide pore microsphere silica gel in multiple fields. In the petroleum industry, it is used for diesel desulfurization; in tissue engineering, it supports cell
Heterogeneous Palladium Catalyst for Coupling Reaction: An In - depth Exploration
2025-06-01
This paper delves into the use of heterogeneous palladium catalysts for coupling reactions. It starts by introducing the basic principles of these catalysts in coupling reactions, including the cataly
This paper comprehensively analyzes the properties of wide pore microsphere silica gel. It details the physical properties such as pore size, surface area, and particle size, as well as the chemical p
The article offers guidance on selecting aluminum silica gel. It explains different types of aluminum silica gel, emphasizes the importance of adsorption capacity, pore size, and physical properties.
Aluminum Silica Gel vs Other Desiccants: A Comprehensive Comparison
2025-05-19
This article comprehensively compares aluminum silica gel with other desiccants like silica gel, calcium chloride, activated carbon, and molecular sieves. It analyzes their properties, performance in
The article details the various advantages of aluminum silica gel. It can absorb moisture, adsorb impurities, act as a catalyst or catalyst support, has good thermal stability, and improved mechanical
Melamine Catalyst Reaction Mechanism: An In - Depth Exploration
2025-05-04
The article explores the melamine catalyst reaction mechanism. It first introduces melamine and its catalysts, followed by an explanation of basic catalytic reaction principles. The reaction steps in
This article details the properties of melamine catalysts. It starts with an introduction highlighting their importance in chemical processes. Then it elaborates on aspects such as chemical compositio
This article discusses the key factors to consider when choosing a melamine catalyst. It details the different types of catalysts, how reaction conditions influence catalyst selection, the importance
This article conducts a comprehensive comparison of melamine catalysts. It explores different types of catalysts, their performance in accelerating reactions, effects on product yields and quality, co
Melamine Catalyst Applications: A Comprehensive Overview
2025-04-22
This article delves into the diverse applications of melamine catalysts across multiple industries. It starts by introducing melamine catalysts and their types. Then it details their uses in resin pro
Efficient Melamine Catalyst: An In - depth Exploration
2025-04-19
This article delves into the topic of efficient melamine catalysts. It first introduces the importance of such catalysts in melamine production. Then it details the types of catalysts, their mechanism
Preparation method of water-resistant aluminum silica gel
2025-04-18
Water-resistant silica-alumina gel is an inorganic material with excellent water resistance and adsorption properties, which is widely used in adsorption, drying, catalyst carrier and other fields....
There are many methods for preparing palladium catalysts loaded on alumina. The following are several common preparation processes and key points:I. Impregnation method1. Principle: By impregnating...
Palladium catalysts loaded on alumina carriers (palladium/alumina catalysts) have a wide range of uses, mainly in the following aspects:I、Hydrogenation in organic synthesisPalladium/alumina catalys...
The difference between aluminum silica gel and ws aluminum silica gel - II
2025-03-28
3. Application scenariosCharacteristicsAluminum silica gelWater-resistant aluminum silica gelApplicable environmentLow humidity gas drying (such as air separation), room temperature adsorptionHigh ...
The difference between aluminum silica gel and ws aluminum silica gel - I
2025-03-28
The core difference between ordinary silica-alumina gel and water-resistant silica-alumina gel lies in the composition structure, water resistance and application scenarios. The following is a spec...
The role of crushing strength of water-resistant aluminum silica gel
2025-03-22
The compressive strength of water-resistant silica-alumina gel (WS) is one of its core performance indicators, which directly affects the stability, adsorption efficiency and regeneration life of t...
Rubber-grade silica---Anti-blocking agent introduction - II
2025-03-22
3. Typical application scenariosTire manufacturingGreen tires: replace part of carbon black, reduce rolling resistance by 30%, and improve fuel efficiency.Tread tear resistance: enhance cutting/tea...
Rubber-grade silica---Anti-blocking agent introduction - I
2025-03-22
Rubber-grade silica (also known as white carbon black) plays an important role as an anti-blocking agent in the rubber industry. The following is an explanation from four aspects: ingredient charac...
Titanium Silica Catalyst, especially Titanium Silica Molecular Sieve Catalyst, as a kind of catalytic material with unique structure and excellent performance, plays a pivotal role in the modern ch...
I. Basic ConceptsAniline catalyst, also known as modified copper catalyst, is mainly used in the reaction of nitrobenzene hydrogenation to produce aniline. It is an improved catalyst in which coppe...
The production process of aniline catalyst may involve multiple steps and complex chemical reactions. The following is a general description:1. Raw material preparationMain raw materials: usually i...
Aniline catalysts are mainly used in the hydrogenation reaction of nitrobenzene and its derivatives. The following is a detailed summary of the uses of aniline catalysts:1. Hydrogenation of nitrobe...
The production process of melamine catalyst involves multiple complex steps. The following is one of the typical preparation processes:1. Raw material preparation and pretreatmentRaw material selec...
The production process of modified copper silica gel catalyst mainly includes the following steps:1. Silica gel pretreatmentFirst, silica gel needs to be prepared. Usually, silica gel is prepared b...
How many specifications does aniline catalyst have?
2024-12-16
The specifications of aniline catalyst are not uniform or fixed. They depend on the manufacturer's design, preparation process and specific application requirements. The following are some examples...
What is the crushing strength of ordinary silica-alumina gel? What is its role?
2024-12-12
The compressive strength of ordinary silica-alumina gel varies depending on different manufacturers and product specifications, but generally speaking, its compressive strength is in the range of 1...
Melamine production in my country mainly adopts urea multiphase catalytic reaction, including dry capture method, gas phase quenching method, DSM process, etc. These processes require the use of ca...
What is the role of the dew point of molecular sieves?
2024-11-12
The dew point of molecular sieves plays an important role in many aspects. The following is a detailed analysis of its role:1. Measuring adsorption capacityDew point refers to the temperature at wh...
Specific adsorption values of water-resistant aluminum silica gel
2024-11-09
Adsorption at different relative humidity:At 25°C and 20% relative humidity, the water vapor adsorption of silica-alumina gel is at least 8.5%.When the relative humidity increases to 50%, the water...
Definition and influencing factors of adsorption capacity of water-resistant aluminum silica gel
2024-11-09
The adsorption capacity of water-resistant silica-alumina gel is a key performance indicator, which reflects the moisture absorption capacity of silica-alumina gel in different humidity environment...
Modified copper silica catalyst plays an important role in chemical reactions, and its role is mainly reflected in the following aspects:1. Accelerate chemical reactionsModified copper silica catal...
Palladium catalyst alumina, that is, palladium alumina catalyst, is a high-efficiency catalyst that combines the characteristics of palladium metal and alumina. Its characteristics are mainly refle...
The difference between aluminum silica gel and water-resistant aluminum silica gel
2024-10-25
Ordinary silica-alumina glue and water-resistant silica-alumina glue have significant differences in many aspects, which are mainly reflected in their chemical structure, performance characteristic...
What is the role of crushing strength of water-resistant aluminum silica gel
2024-10-25
The compressive strength of water-resistant silica-alumina glue plays a vital role in its application process, which is mainly reflected in the following aspects:1. Ensure structural stabilityPress...
Modified copper silica gel is an important chemical material with a wide range of applications. The following is a detailed introduction to modified copper silica gel:I. Definition and StandardDefi...
Polyethylene Catalyst plays a vital role in the chemical industry, especially in the production of polyethylene (PE). The following is a detailed analysis of Polyethylene Catalyst:1. Definition and...
Melamine catalyst plays a vital role in the production process of melamine. It can improve reaction efficiency, optimize product quality, and reduce production costs. The following is a detailed in...
The dew point of molecular sieve is an important performance indicator, which reflects the adsorption capacity of molecular sieve to gas under specific conditions. Dew point refers to the temperatu...
Introduction to low aluminum silica aluminum gel II
2024-07-31
3. Application fieldsAdsorbent: Utilizing its porous structure and large specific surface area, low-aluminum silica-alumina gel can adsorb and remove moisture, impurities, odors, etc. in the air, a...
Introduction to low aluminum silica aluminum gel I
2024-07-31
Low aluminum silica-alumina gel, as a special silica-alumina gel product, its characteristics and applications mainly revolve around its low aluminum content. The following is a detailed introducti...
The difference between activated carbon and silica gel - II
2024-07-29
3. Form and colorActivated CarbonActivated carbon usually exists in granular form. The color may vary depending on the preparation method and raw materials, but it is generally black or dark brown....
The difference between activated carbon and silica gel - I
2024-07-29
There are significant differences between activated carbon and silica gel in many aspects. The following is a detailed analysis of the differences between the two:1. Basic propertiesActivated Carbo...
1. Working principleAdsorption desiccant: Silica desiccant is an adsorption desiccant with a large surface area and a high adsorption capacity. When exposed to humid air, it absorbs water molecules...
Silica desiccant is a widely used hygroscopic and dehumidifying material. Its main features and applications are as follows:1. Concept and FeaturesDefinition: Silica desiccant is a material that ca...
III. Preparation processSilica-alumina gel is usually prepared by the reaction of water glass with sulfuric acid solution containing aluminum sulfate. In some processes, such as the preparation of ...
Silica Alumina Glue, also known as Alumina Silica Gel, is a transparent or translucent granular gel with a variety of properties and uses. The following is detailed information about Silica Alumina...
Sulfur transfer agent is a chemical additive used in the petroleum refining process, especially in the catalytic cracking (FCC) process. The following is a detailed explanation of sulfur transfer a...
1. Basic characteristics13X pellet molecular sieve, also known as sodium X type molecular sieve, is an alkali metal aluminosilicate, which has a certain alkalinity and belongs to the solid base cat...
Alpha-activated alumina, as a specific form of alumina, has a series of unique physical and chemical properties. The following is a clear introduction to alpha activated alumina:1. Basic featuresNa...
Performance features:Thermal stability: Due to the presence of many small closed pores in the crystal, plate-shaped alumina has excellent heating volume stability and good thermal shock resistance....
Tabular alumina, also known as tabular corundum, is an aluminum oxide material with specific physical and chemical properties. The following is a detailed introduction to plate alumina:Basic featur...
Silicon dioxide is an inorganic compound with the chemical formula SiO2. Silicon atoms and oxygen atoms are arranged in a long-range order to form crystalline silicon dioxide, and short-range order...
Melamine resin can be prepared by condensation polymerization with formaldehyde, which can be used in plastics and coatings industry, and can also be used as anti-folding and anti-shrinkage treatme...
Melamine (chemical formula: C3H6N6), commonly known as melamine, protein extract, IUPAC named "1,3, 5-triazine-2,4, 6-triamino-melamine", is a triazine nitro-containing heterocyclic organic compoun...
Product characteristics: Silicone aluminum adhesive, chemical stability, no combustion, insoluble in any solvent. Compared with porous silica gel, the low humidity adsorption capacity is equivalent...
Activated alumina (molecular formula Al2O3-x(OH)2x, 0<x<0.8) is one of the inorganic chemical products widely used in the world.Since activated alumina has a porous structure, high specific surface...
(1) Particle size: The smaller the particle size, the higher the adsorption capacity, but the smaller the particle size, the lower the particle strength, which affects its service life.(2) pH value...
There are two raw materials for the production of activated alumina. One is "quick-release powder" produced by gibbsite or Bayer stone, and the other is pseudo-boehmite produced by aluminate or alu...
Activated alumina belongs to the category of chemical alumina and is mainly used as adsorbents, water purifiers, catalysts and catalyst carriers.Activated alumina has the ability to selectively ads...
Alumina, commonly known as alumina, has a chemical formula of Al2O3. White powder, density 3.9~4.0g/cm3, melting point 2050℃, boiling point 2980℃. It is insoluble in water and slowly soluble in con...
Natural aluminosilicates are found in nature and they have molecular screening, adsorption, ion exchange and catalytic properties. This natural substance is called zeolite, and synthetic zeolite is...
A synthetic hydrated aluminosilicate (zeolite) or natural zeolite with the function of screening molecules. Its general chemical formula is (M′2M)O·Al2O3·xSiO2·yH2O, M′ and M are monovalent and div...
Mainly used for grinding, it is the grinding body of fine grinding equipment such as ball mills, ball mills, and vibration mills. Its grinding efficiency and wear resistance are much better than or...
Mainly in ceramic factories, data shows that using cobblestones (natural ball stones) + 10% high-aluminum balls (φ35MM) to grind mud can shorten the grinding time by 15% compared to using only cobb...
High alumina balls are a category of alumina balls, which are referred to as high alumina balls due to their high alumina content. High-aluminum balls can be subdivided into 90, 92, 95, 99 and othe...
Pure alumina ceramic ball: AL2O3 content ≥99.99%, true specific gravity 3.93g/cm3, Mohs hardness 8.5-9The high-purity alumina ball series has excellent wear resistance and a purity of 99.99%. The h...
Plasmid vector, artificial modification of plasmid vector
2024-02-20
Plasmids are a type of covalent, closed, circular double stranded DNA molecules that naturally exist in bacterial and fungal cells and can replicate independently of chromosomal DNA, also known as ...
The steps and principles of blue and white spot screening, and the reasons for the failure of the bl
2024-02-20
Blue and white spot screening is a method of recombinant screening, which is the second screening based on antibiotic screening and screening recombinants based on the genetic characteristics of th...
The principle and application of fluorescence in situ hybridization technology
2024-02-20
In situ hybridization (ISH) refers to the technique of hybridizing target DNA or RNA sequences labeled with radioactive or non radioactive substances with chromosomal DNA to detect the position and...
Carbon molecular sieve uses the sieving characteristics to achieve the purpose of separating oxygen and nitrogen. When the molecular sieve adsorbs impurity gases, the macropores and mesopores o...
Carbon molecular sieve is a new type of adsorbent developed in the 1970s. It is an excellent non-polar carbon material. Carbon Molecular Sieves (CMS) are used to separate air and enrich nitro...
Palladium alumina catalyst is a new type of catalyst that can effectively catalyze reactions at low temperatures. It has good activity, stability and selectivity and can be used in many different r...
Activated aluminum oxide or activated alumina is also called activated alumina or activated aluminum oxide. It is a highly porous or granular alumina body with the ability to absorb gases, vapors, ...
Sodium large sieve oxygen molecular sieve (13X HP 1.6-2.5mm)
2023-12-28
13X-HP molecular sieve is a new type of X-type molecular sieve, specially used for oxygen production. The principle of oxygen production is: through the pressure swing adsorption of air through the...
Industrial desiccant: mainly used for the use of equipment desiccant packages, deep drying of air compressor dryers, the commonly used type is 3A molecular sieve, the common specification is 3-5mm,...
There are two raw materials for the production of activated alumina. One is "quick debonding powder" produced by gibbsite or Bayer stone, and the other is pseudo-boehmite produced by aluminate or a...
Alumina, commonly known as alumina, has a chemical formula of Al2O3. White powder, density 3.9~4.0g/cm3, melting point 2050℃, boiling point 2980℃. It is insoluble in water and slowly soluble in con...
Nitrogen is more easily adsorbed on carbon molecular sieves than oxygen, so adsorption separation can be achieved.With the development of industry and people's increasing awareness of environmental...
Manufacturing Strengthened Glass:Aluminum oxide is the reason why metallic aluminum is not easily corroded in the air. Pure metallic aluminum reacts easily with oxygen in the air, forming a thin al...
Alumina powder is made from industrial aluminum hydroxide or industrial alumina, but unlike silicon carbide and black corundum, alumina powder is calcined at high temperatures using different formu...
The new preparation method of activated alumina proposed in this article eliminates the steps of neutralization, aging, filtration and washing, which can not only shorten the preparation time, but ...
An activated alumina sample was prepared under the conditions of material m (AL): m (CA): m (ST) = 1:0.1:1.5 (calcining temperature is 550°C), and then a Ni-based catalyst was prepared by the impre...
Effect of Starch on the Properties of Activated Alumina
2023-10-11
Under the condition of material m (CA) / m (AL) = 10%, the effect of starch content on the main properties of activated alumina was investigated. Table 3 shows the pore structure properties of acti...
Effect of Citric Acid on the Properties of Activated Alumina
2023-09-21
Under the condition of material m (AL) / m (ST) = 2/3, the effect of the added amount of citric acid on the properties of activated alumina was investigated. Figure 3 shows the XRD patterns of acti...
Effect of Calcination Temperature on the Properties of Activated Alumina
2023-09-21
Under the conditions of material m (AL) ∶m (CA) ∶m (ST) = 1∶0.1∶1.5, the effect of calcination temperature on the main properties of activated alumina (such as phase and pore structure) was investi...
A Novel Method for Preparation of Activated Alumina-Experimental PartⅡ
2023-09-19
1.3 Characterization of activated aluminaThe XRD spectrum of the sample was measured on a Panalytical X 'Pert Pro X-ray diffractometer. Tube voltage 40 kV, tube current 30 mA, Cu Kα radiation sourc...
A Novel Method for Preparation of Activated Alumina-Experimental partⅠ
2023-09-18
1.1 Preparation of activated aluminaPlace measured amounts of crystallized aluminum chloride and citric acid in a constant temperature water bath at 90°C without adding additional water and stir co...
A Novel Method for Preparation of Activated Alumina
2023-09-13
Activated alumina is a porous solid material with the advantages of large specific surface area and pore volume, controllable pore distribution, high mechanical strength after molding, good thermal...
Application of Activated Alumina as Catalyst and Carrier
2023-09-12
Alumina used as a catalyst carrier can be summarized into the following types according to its physical and chemical properties and the role of alumina:(1) High temperature alumina carrier. This ty...
The main industrial applications of activated alumina as an adsorbent include gas drying, liquid drying, water purification, selective adsorption in the petroleum industry, and chromatographic sepa...
Application of Activated Alumina in the Field of Adsorption and Catalysis
2023-08-17
Activated alumina has a large specific surface area, a variety of pore structures and pore size distributions, and rich surface properties. Therefore, it has a wide range of uses in adsorbents, cat...
1. Because alumina and molecular sieve are irritating, you need to wear gloves, masks, and protective goggles during the filling process. When entering the adsorber, you must apply for a permit for...
3. When the molecular sieve tower working under pressure is performing regeneration switching, the internal pressure of the tower should be lowered slowly. If the pressure reduction speed is too fa...
1. Molecular sieve is easy to absorb moisture. It should not be directly exposed to the air during storage, but should be placed in a dry place. Molecular sieves that have been stored for a long ti...
(1) Organic sulfur should be removed in the desulfurization and decarbonization unit as much as possible, and the total sulfur content of the feed gas entering the dehydration unit should be studie...
The general-purpose molecular sieve for insulating glass can simultaneously absorb moisture and residual organic matter in the insulating glass, so that the insulating glass remains clean and trans...
XH-5 molecular sieve is mainly used for drying and purification of R12 and R22 refrigerants to improve the refrigeration effect.XH-7 molecular sieve is suitable for dehydration and drying of new re...
5A small oxygen-enriched molecular sieve is a special 5A molecular sieve, which is specially produced for medical oxygen generators. The molecular sieve has the characteristics of high purity, fast...
13X-APG (molecular sieve for air separation) is a special molecular sieve produced to meet the special requirements of the cryogenic air separation industry, to further improve the adsorption capac...
Chemical formula: Na2O·Al2O3·(2.8 ± 0.2) SiO2·(6-7) H2OSilicon aluminum ratio: SiO2/AL2O3 ≈ 2.6-3.0Effective pore volume: approximately 10 AApplication: Mainly used for gas drying and purification,...
Chemical formula:4/5CaO·1/5Na2O·Al2O3· (2.8±0.2) SiO2· (6-7)H2OSilica-aluminum ratio: SiO2/ Al2O3≈2.6-3.0Effective pore volume: approximately 9AApplication: Mainly used for adsorption and separatio...
Chemical formula: 3/4CaO·1/4Na2O·Al2O3·2 SiO2·9/2H2OSilicon-aluminum ratio: SiO2/ Al2O3≈2Effective pore size: about 5AApplication: It is mainly used for the separation of normal isoparaffins, oxyge...
Chemical formula: Na2O Al2O3 2SiO2 9/2H2OSilicon-aluminum ratio: SiO2/ Al2O3≈2Effective pore size: about 4AApplication: Mainly used for drying of natural gas and various chemical gases and liquids,...
Chemical formula: 2/3K2O·1/3Na2O·Al2O3·2SiO2·9/2H2OEnglish name: 3A Molecular SieveSilicon-aluminum ratio: SiO2/ Al2O3≈2Effective pore size: about 3AApplication: Mainly used in architectural glass ...
In 1932, McBain (Mike Bain) proposed the concept of "molecular sieve". Molecular sieve refers to a class of substances with uniform micropores whose pore size is equivalent to that of ordinary mole...
Molecules of different substances are distinguished by the priority and size of adsorption, so they are vividly called "molecular sieves".Adsorption Function: The adsorption of molecular sieves to ...
The role of molecular sieves: selective adsorption according to the size and shape of molecules. For small polar molecules and unsaturated molecules, it has selective adsorption properties. The gre...
The Difference Between Zeolite and Molecular Sieve
2023-07-31
A. The chemical composition is different. The main chemical composition of natural zeolite is sodium aluminosilicate, while molecular sieves are crystalline silicates or aluminosilicates, which are...
1. Carbon Molecular Sieves for Gas ChromatographyCarbon molecular sieves are used as stationary phases in gas chromatography. Carbon molecular sieves have good separation performance for relatively...
Air separation nitrogen production process:The flow chart of the production process for nitrogen enrichment by pressure swing adsorption using carbon molecular sieves is shown in Figure 3.For conti...
In the 1950s, with the tide of the industrial revolution, carbon materials were used more and more widely. Among them, the application field of activated carbon was the fastest expanding carbon mol...
Structural State and Characteristics of ZSM-5 Molecular Sieves
2023-06-14
1. Pore size: 5A.2. Framework Density: 1.81. (determined in isooctane)3. Thermal stability: The differential thermal analyst (DTA) curve shows that the crystal exhibits no major structural change u...
Catalytic Reaction Mechanism of ZSM-5 Molecular Sieves in the Methanol-to-Olefin Field
2023-06-12
For acidic zeolites, the B acid site is mainly the bridging hydroxyl group connected to the silica aluminum framework, while the L acid site is an aluminum species with unsaturated coordination on ...
Characteristics:Silicone aluminum adhesive appearance is slightly yellow, chemical formula mSiO2. nAl2O3. xH2O. Chemical stability, no combustion, insoluble in any solvent. Microporous silica gel a...
Appearance:Milky white spherical, is the only waterproof porous silica gel adsorbent.Performance:This product is a good liquid adsorbent and catalyst carrier, used as a guard bed for conventional s...
0.5~8% silica-alumina glue is yellowish in appearance, stable in chemical properties, non-combustible, and insoluble in any solvent. Compared with fine-pore silica gel, this product has the same lo...
17% silica-alumina gel is a kind of fine-pore water-resistant silica-alumina gel. It is generally used as a protective layer for fine-pore silica gel and fine-pore silica-alumina gel. It can also b...
Application of molecular sieve in petrochemical industry?
2023-03-29
In the more than half a century since the advent of molecular sieves, the development of related technologies has been mainly used to meet the needs of the three traditional fields. First of all, i...
In 1982, Union Carbide Corporation of the United States prepared more than 20 new types of molecular sieves, namely AlPO-n molecular sieves. This invention breaks the traditional concept that the s...
In 1972, the US Mobile Company successfully developed the ZSM-5 molecular sieve for the first time.ZSM-5, known as the second generation zeolite, is a kind of aluminosilicate zeolite molecular siev...
MOR type molecular sieve, that is, mordenite. According to different pore sizes, MOR molecular sieves can be divided into SPM type and LPM type.The LPM type is a large-pore mordenite molecular siev...
1. X molecular sieve10X molecular sieves are mainly used as adsorbents and separation agents in chemical industry, for the refining of aromatic hydrocarbons and paraffins. The effective pore size o...
Type A molecular sieve has a large specific surface area inside, and its structure is composed of a three-dimensional pore system, and the Coulomb electric field force in the channel is strong. Typ...
Main Properties of Aluminum OxideAlumina refractory is an extremely strong material with high hardness, high wear resistance and high compressive strength. It is highly resistant to thermal shock a...
Dehydration principle of activated alumina adsorber
2023-03-13
Activated alumina has a strong adsorption capacity for many liquids, so it is often used in some places for adsorption and dehydration. The surface of the adsorber must be dry before use, so as to ...
Due to the strong polarity of the surface of alumina, it is difficult to disperse uniformly in the polymer; in addition, its thermal conductivity is not high, so a high filling amount is required t...
Activated alumina belongs to the scope of alumina chemicals, mainly used in absorbents, water purifiers, metal catalysts and catalyst carriers. Activated alumina has the ability to selectively adso...
Molecular sieves need to be processed into different shapes according to their different uses. At present, the molecular sieves commonly used in industry have three shapes: strip, spherical and mic...
Molecular sieves are synthesized by using silicon compounds (such as silica sol, sodium silicate, etc.), aluminum compounds (such as activated alumina, aluminum salts, etc.), alkalis (such as sodiu...
Why use part of Al instead of Si to adjust the acidity of molecular sieves?
2023-03-07
Molecular sieves are originally non-acidic, but only acidic after ion exchange, roasting or ultra-stable treatment.The source of this acidity is to break the original electrical neutrality after ad...
Characteristics, types and main applications of alumina
2023-03-06
1. Characteristics of alumina(1) Large specific surface area: Activated alumina has a high specific surface area, effectively controlling the firing system of alumina, and can produce activated alu...
The types of molecular sieves can be divided into 3A molecular sieves, 4A molecular sieves, 5A molecular sieves, 13X molecular sieves and other series of molecular sieves according to their uses.Th...
Why use molecular sieve as a catalyst is related to its performance?
2023-03-04
1. Adsorption performanceThe adsorption of zeolite molecular sieve is a physical change process. The reason for adsorption is mainly a kind of "surface force" generated by molecular gravitation on ...
As a solid material, active alumina has good adsorption performance. All of them can be used as catalysts, and the micropores on its surface can just meet the requirements for catalysts. However, i...
Purpose of adding non-metallic substances to activated alumina desiccant
2023-02-02
In many cases, we will add some non-metallic materials to the activated alumina desiccant. What will they do.1、 The introduction of chlorine increases the acidity of acid sites with weak original a...
Surface modification of active alumina catalysts-Ⅲ
2023-02-01
2. Chemical modification methodThe residual hydroxyl group and residual charge on the surface of nano active alumina catalyst can be used to select modifier purposefully for chemical reaction, chan...
Surface modification of active alumina catalysts-Ⅱ
2023-01-31
II. Surface modification method1. Physical surface modificationSurface physical modification generally refers to the physical action of modifiers on nano active alumina catalyst particles, such as ...
What is the difference between high-temperature alumina and alumina
2023-01-29
High-temperature alumina and alumina are similar in appearance, both are chemical products, and their molecular structures are the same. I will introduce the differences between high-temperature al...
Adsorption of molecular sieve desiccant
2023-01-28
Molecular sieve desiccant refers to a kind of material with uniform micropores and pore size equivalent to that of ordinary molecules. Molecular sieve desiccant is widely used as high-efficiency de...
Application characteristics of activated alumina filler
2023-01-19
Activated alumina filler is a new type of desiccant filler, which is developed by improving some of the main defects of its general desiccant. It is formed by the small holes in the aperture of the...
Application of activated alumina in different environments
2023-01-17
Activated alumina is an amphoteric substance with an isoelectric point of about 9.5. When the pH of water is less than 9.5, anions can be adsorbed, and when it is more than 9.5, cations can be remo...
Why does activated alumina have the ability of adsorption and drying?
2023-01-16
Due to the different intermolecular forces between the surface of activated alumina and the adsorbate, the adsorption of activated alumina can be divided into physical adsorption and chemical adsor...
Introduction to several primary carriers-Ⅱ
2023-01-14
4. Activated carbon: The primary component is C, which contains a few H, O, N, S and ash. Activated carbon has an irregular stone grinding structure, and there are carbonyl, quinone, hydroxyl and c...
Introduction to several primary carriers-Ⅰ
2023-01-13
1. Activated alumina: the carrier used most for industrial catalysts. Low price, high heat resistance, and good affinity of active components.2. Silica gel: chemical composition is SiO2. It is gene...
What is the effect of catalyst carrier?
2023-01-12
The catalyst carrier is a unique part of solid catalyst, which is the dispersant, binder and carrier of the active component of the catalyst, and sometimes also acts as a co-catalyst or cocatalyst....
Usage of 4A molecular sieve
2023-01-11
4A molecular sieve also has specific requirements for its operating environment. As a porous material, 4A molecular sieve is widely used in many fields because of its microporous molecular sieve as...
Main reasons for the formation of crushing and pulverization of activated alumina bead desiccant-Ⅱ
2023-01-10
Reason 3: The adsorption tower enters a lot of oil or liquid water. The addition of oil will lead to aluminum bead poisoning and loss of adsorption capacity. A lot of liquid water will lead to adso...
Main reasons for the formation of crushing and pulverization of activated alumina bead desiccant-Ⅰ
2023-01-09
Many people who repair and maintain the post-treatment equipment of the air compressor have a question about why the activated alumina bead desiccant is miraculously broken and pulverized in the ad...
Characteristics of three common desiccants
2023-01-08
Water resistant silica gel desiccant: with high microporous structure, acid resistant (except hydrofluoric acid), alkali resistant and solvent resistant. Good thermal stability, non-toxic and odorl...
Comparison between activated alumina desiccant and inert alumina
2023-01-07
As the name implies, activated alumina desiccant is a product that can remove moisture from wet materials. Like inert alumina, it is widely used in industry, but there are many differences between ...
Preparation method of activated alumina catalyst
2023-01-06
Activated alumina catalyst has good catalyst activity and high stability. There are many preparation methods, two of which are introduced with examples.Method 1: Take aluminum salt as raw material....
Environmental Performance of Activated Alumina Catalyst
2023-01-05
When active alumina catalyst is used as catalyst, many users will feel that it has stronger catalytic effect than ordinary catalyst because of its strong activity. In addition, it is also an enviro...
Factors Affecting the Service Time of Activated Alumina Catalyst
2023-01-04
The service time of activated alumina catalyst is closely related to water volume and water condition, mainly including water temperature, PH value, etc. Let's take a look!1、 Concave convex of wate...
Application and synthesis method of molecular sieve-Ⅱ
2023-01-03
2. High temperature adsorptionMolecular sieve is the only available high-temperature adsorbent. At 100 ℃ and 1.3% relative humidity, the molecular sieve can absorb 15% weight of water, which is 10 ...
Application and synthesis method of molecular sieve-Ⅰ
2023-01-02
Molecular sieve not only has strong adsorption, but also has good thermal stability and acid resistance. In addition, it has the advantages of cheap raw materials, simple preparation process, and e...
How to avoid contamination of activated alumina desiccant
2022-12-31
If the activated alumina desiccant is polluted in the process of use, it will not only affect its use effect, but also affect its performance and life. It must be kept in a clean place and sealed t...
How to judge the advantages and disadvantages of activated alumina desiccant
2022-12-30
The quality of the activated alumina desiccant is related to the use effect. What ways should we judge it.1、 Appearance judgment. The high-quality activated alumina desiccant has neat appearance, c...
Role of molecular sieve
2022-12-29
1. Adsorption functionMolecular sieve mainly generates a "surface force" on the fixed surface by molecular gravity. When the fluid flows, some molecules in the fluid will make irregular movements a...
Main raw materials for production of activated alumina desiccant
2022-12-14
Activated alumina desiccant is a kind of desiccant specially produced by taking advantage of the high activity of activated alumina. It has strong water absorption and adsorption properties, and it...
Effect of temperature on regeneration of activated alumina
2022-12-13
Activated alumina can be reused after regeneration, which can reduce the use cost for enterprises to a certain extent. During regeneration, environmental factors are very important, especially temp...
How to Prevent Agglomeration of Activated Alumina Desiccant
2022-12-12
Activated alumina desiccant is widely used. If the problem of product caking occurs in daily use and storage, it may affect its use effect and convenience. Therefore, caking should be avoided as mu...
Application of carbon molecular sieve in PSA nitrogen generator-Ⅱ
2022-12-10
First, clean and dry compressed air enters tower A, because oxygen molecules are smaller than nitrogen molecules, they will enter the pores of carbon molecular sieve. On the other hand, nitrogen mo...
Application of carbon molecular sieve in PSA nitrogen generator-Ⅰ
2022-12-09
When making nitrogen, it is important to understand the purity level you want to achieve. Some applications require a low level of purity (between 90 and 99%), such as tire inflation and fire prote...
Instructions for use of molecular sieve
2022-12-08
In order to obtain good operating performance and the longest possible life, it must be regenerated after a certain period of use.The properly regenerated molecular sieve is the same as the fresh o...
How to improve the performance of activated alumina carrier?
2022-12-07
During the production of activated alumina carrier, the effect of products produced by different technologies is different. In order to improve the use effect of activated alumina carrier, the foll...
Can activated alumina and molecular sieve be used together
2022-12-06
Activated alumina and molecular sieve are both strong adsorbents, which are widely used in air compressor and air dryer for gas drying. These two materials are excellent desiccants. In general, act...
Professional fluoride removal expert --- activated alumina
2022-12-05
Requirements for fluoride removal by activated alumina adsorption:1. When the turbidity of raw water exceeds 5NTU, the micropores on the surface of filter material are easy to be blocked and lose t...
Molecular sieve for insulating glass
2022-12-04
The insulating glass was invented in 1865. It is a kind of building material with good heat insulation, sound insulation, beautiful and practical appearance and can reduce the self weight of buildi...
Application of activated alumina in catalysts and supports
2022-12-03
Alumina used in catalysts is usually called active alumina. The application of active alumina is mainly based on catalyst carrier, and the fields involved include organic chemical industry, petroch...
How to regenerate activated alumina?
2022-12-02
Activated alumina regeneration method:In the drying application of activated alumina, heating regeneration method is generally used, and hot nitrogen is generally used for purging regeneration. Due...
Application of activated alumina in adsorption and catalysis-Ⅱ
2022-12-01
Application of activated alumina as catalyst and carrierThe alumina used as catalyst carrier can be summarized into the following types according to its physical and chemical properties and the eff...
Application of activated alumina in adsorption and catalysis-Ⅰ
2022-12-01
Application of activated alumina as adsorbentThe primary industrial applications of activated alumina as adsorbent include gas monotony, liquid monotony, water purification, selective adsorption in...
How does activated alumina dry gas?
2022-11-30
Activated alumina is a kind of desiccant, adsorbent and fluoride remover, which is generally used for drying and adsorption of instrument gases such as air compressors, dryers and refrigerators. To...
Ten Questions and Answers of Activating Powder-Ⅱ
2022-11-29
6. What is the temperature that the activating powder can withstand in the gel?Answer: It is OK if the temperature is below 500 ℃. When the molecular sieve raw powder is at 550 ℃, the crystal water...
Ten Questions and Answers of Activating Powder-Ⅰ
2022-11-29
1. What are the raw materials and manufacturing process of the activated powder?The main raw material of the activated powder is aluminosilicate. 3A is potassium sodium aluminosilicate, 4A is sodiu...
How to add activated alumina and its dosage in fluoride removal-Ⅱ
2022-11-28
The filtration rate of the filter tank can be adopted in the following two ways:(1) When the pH value of the inlet water of the filter is greater than 7.0, the intermittent operation mode shall be ...
How to add activated alumina and its dosage in fluoride removal-Ⅰ
2022-11-28
Activated alumina is used to remove fluoride from drinking water. When the arsenic content in raw water exceeds 0.05mg/L, the process parameters for fluoride removal shall be determined through tes...
Ten Questions and Answers on Molecular Sieves for Oxygen Production-Ⅱ
2022-11-25
6. Which equipment and processes are applicable to molecular sieve for oxygen production?Answer: PSA (13XHP, 5A), VPSA (5A, lithium molecular sieve)remarks:PSA: pressurized adsorption, atmospheric ...
Ten Questions and Answers on Molecular Sieves for Oxygen Production-Ⅰ
2022-11-25
1. How many problems may exist when the concentration of the oxygen generator drops suddenly?Answer:① Treatment: the front end needs to use activated carbon to remove harmful substances -- aluminum...
Difference between activated carbon and molecular sieve
2022-11-24
Molecular sieve and activated carbon have adsorption properties, so many friends are not able to understand the difference between them.Molecular sieve is a porous silicon based material, and activ...
4A molecular sieve can adsorb low molecular compounds
2022-11-23
4A molecular sieve can adsorb low molecular compounds, such as water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, carbon dioxide, ethylene, propylene, etc. It does not adsorb any molecule ...
Skills for installation and replacement of activated alumina-Ⅱ
2022-11-22
Ⅱ Start up:1. Before formal startup, the system shall be purged and replaced with nitrogen or other inert gas, and feed gas shall be supplied when the oxygen content in the gas is less than 0.5%.2....
Skills for installation and replacement of activated alumina-Ⅰ
2022-11-22
Activated alumina is a common desiccant, which is generally used for gas drying of air compressors, dryers, refrigerators and other equipment. The main component of activated alumina is aluminum ox...
What is zeolite molecular sieve?-Ⅱ
2022-11-21
Properties of Zeolite Molecular Sieves: Adsorption performance, ion exchange performance, catalytic performance Application of Zeolite Molecular Sieves: Zeolite molecular sieve crystals are widely ...
What is zeolite molecular sieve?-Ⅰ
2022-11-19
Zeolite molecular sieve (also called synthetic zeolite) is a kind of aluminosilicate microporous crystal.It is a basic skeleton structure composed of silicon oxide and aluminum oxide tetrahedrons. ...
How to activate molecular sieve?
2022-11-18
Molecular sieve is a crystal of hydrous aluminosilicate. After high temperature activation and water loss, many micropores with uniform pore size are formed in the crystal, which has strong adsorpt...
Activated alumina desiccant for adsorption dryer
2022-11-17
Function: the water molecules in the air are adsorbed by capillarity through the unique micropores of the material itself, and the water adsorbed by the desiccant is removed by the temperature rise...
High extrusion strength and low wear rate of activated alumina
2022-11-16
High extrusion strength of activated alumina:Activated alumina has high extrusion strength, so it can be loaded into the tower quickly pneumatically. The high extrusion strength can also make the h...
Seven Questions and Answers on Activated Alumina-Ⅱ
2022-11-16
4. What dew point can be reached for all activated alumina JZ-K2?Answer:Dew point - 55 ℃ (atmospheric dew point)Dew point - 45 ℃ (pressure dew point)5. What products can reach a dew point of - 70 d...
Seven Questions and Answers on Activated Alumina-Ⅰ
2022-11-15
1. What is the regeneration temperature of molecular sieve, activated alumina, aluminum silicate glue and water resistant aluminum silicate glue? (Dryer)Answer:Activated alumina: 160 ℃ - 190 ℃Molec...
Structure and performance parameters of 13X molecular sieve
2022-11-14
We all know that molecular sieves are classified into 3A, 4A, 5a and 13X molecular sieves. Different types of molecular sieves have different functional characteristics, so we must not be mistaken ...
What are the advantages of aluminum silica gel compared with fine porous silica gel
2022-11-11
Aluminum silica gel is chemically stable, non combustible, insoluble in solvents other than strong alkali and hydrofluoric acid, and has strong thermal stability. Its adsorption and separation prop...
Production process and application of water resistant aluminum silica gel
2022-11-10
The water resistant aluminum silica gel has better adsorption and separation performance than ordinary aluminum silica gel. The water resistance of particles has been significantly improved, and th...
Important role of molecular sieve in air separation industry
2022-11-09
Molecular sieve is the required material for air separation technology in industrial production. Molecular sieve is made of aluminum hydroxide powder and silicon oxide as raw materials through crus...
Application of molecular sieve in insulating glass
2022-11-08
Hollow glass is a new building material with good heat insulation, sound insulation, beautiful appearance and applicability, and can reduce the self weight of buildings. It is a sound insulation gl...
Fluorine removal principle of activated alumina-Ⅲ
2022-11-07
Ⅲ、Fluorine removal process parameters1. The adsorption and exchange capacity of activated alumina indicates the adsorption and exchange capacity of activated alumina for fluoride ions in water. Gen...
Fluorine removal principle of activated alumina-Ⅱ
2022-11-07
Ⅱ Ion exchange principle of activated alumina1.Fluorine in drinking water mainly exists in ionic state, and its solubility in water is far greater than the allowable fluoride content (1mg/L). There...
Fluorine removal principle of activated alumina-Ⅰ
2022-11-06
The activated alumina has good physical properties, high strength, non-toxic and tasteless. The specific surface area of about 320m2/g makes the activated alumina have a large contact area, so it h...
Is molecular sieve harmful to human body
2022-11-05
The answer is harmless. Molecular sieve is an adsorbent, which is non-toxic, tasteless and non corrosive. The raw material used for molecular sieve is mainly aluminum hydroxide, which is a new envi...
Collection of adsorbent indicators
2022-11-04
The index is the most important point for purchasing adsorbent. How much do you know about the index? Today, let's take a look at the basic indicators of adsorbent.1. Static water adsorption (unit:...
Purification of liquid by molecular sieve
2022-11-03
Molecular sieve is an alkali metal aluminosilicate that can adsorb molecules with critical diameters no greater than water, NH3, H2S, sulfur dioxide, carbon dioxide, C2H5OH, C2H6, C2H4, etc. It is ...
Three points you must know about gas separation and purification
2022-11-02
1、 Gas separation gas purificationGas separation: The process of converting a mixture of certain gases into two or more single gases with different compositions.Gas purification: the process of rem...
Solid adsorption dehydration of natural gas dehydration-Ⅱ
2022-11-01
Several commonly used adsorbentsAt present, in the process of natural gas purification, the commonly used adsorbents are silica gel, activated alumina, activated bauxite, molecular sieve, etc. Acti...
Solid adsorption dehydration of natural gas dehydration-Ⅰ
2022-11-01
The dehydration process of natural gas through solid adsorbent is a physical adsorption process, which is conducted alternately according to the three processes of adsorption, regeneration and cool...
The development direction of 4A molecular sieve in the future market
2022-10-31
The raw materials for 4A molecular sieve production are new materials with amorphous porous adsorption capacity. 4A molecular sieve uses high-quality zeolite powder as the material, and is processe...
Adsorption principle and application of molecular sieve-Ⅲ
2022-10-30
Freeze DryingIt provides molecular sieve desiccants for air conditioning and refrigeration systems in automobile, household appliances and industrial construction industries.The produced molecular ...
Adsorption principle and application of molecular sieve-Ⅱ
2022-10-29
Petroleum refiningIt provides professional molecular sieve series products for petroleum refining industry.Drying of alkylation raw materials - molecular sieves help reduce acid consumption, reduce...
Adsorption principle and application of molecular sieve-Ⅰ
2022-10-28
Molecular sieves are artificially hydrothermal synthesized aluminosilicate crystals. Different types of molecular sieves, such as type A, type X, and type Y, are generated from different silicon al...
Adsorption principle and regeneration method of activated aluminaⅡ
2022-10-28
Active alumina desiccant has good and bad effects:The methods for identifying the quality of activated alumina are summarized as follows:1.Strength test of activated alumina ball. In the whole proc...
Adsorption principle and regeneration method of activated alumina
2022-10-27
The main component of activated alumina is quicklime. It is a porous and highly dispersed solid material made by a special process. It has a white spherical appearance, strong adsorption capacity, ...
Application range of activated alumina adsorbent
2022-10-27
The main industrial applications of activated alumina adsorbent as adsorbent include gas drying, liquid drying, water purification, selective adsorption in petroleum industry and chromatographic se...
Guide for use of 5A molecular sieve for water removal
2022-10-26
1、 Application: 5a molecular sieve has selective adsorption capacity, which can remove water in organic solvent and gas, but does not adsorb solvent and gas (tetrahydrofuran, etc.). The original de...
Correct use of molecular sieve-Ⅳ
2022-10-26
Detection method: temperature rise method.Detection method of temperature rise:1) Use a 50ml measuring cylinder to measure 20ml of water, and measure the initial temperature T1.2) Quickly add 20ml ...
Correct use of molecular sieve-Ⅲ
2022-10-25
After purchasing qualified molecular sieves, correct methods must be used to achieve good drying effect. The following points should be noted when using molecular sieves.① The filling of desiccant ...
Correct use of molecular sieve-Ⅱ
2022-10-25
3.Differences between 3A and 4A molecular sieves3A molecular sieve is obtained from 4A molecular sieve through potassium ion exchange, so 3A molecular sieve is more expensive than 4A molecular siev...
Correct use of molecular sieve-Ⅰ
2022-10-25
1. Definition of molecular sieveSilicate molecular sieve is a kind of microporous crystal material with skeleton structure and cage structure. Water molecules will be absorbed into the molecular si...
Three minutes to learn about aluminum silica gel
2022-10-22
Product characteristics: Aluminum silica gel, stable in chemical properties, incombustible and insoluble in any solvent. Compared with the microporous silica gel, the low humidity adsorption capaci...
Application scope of water resistant silica gel for air separation
2022-10-22
The water resistant silica gel of air separation unit is white spherical particles with high microporous structure, acid resistant (except hydrofluoric acid), alkali resistant and solvent resistant...
Application knowledge of silica gel
2022-10-22
FeaturesSilica gel is a highly active adsorption material, which belongs to an amorphous substance. Its chemical formula is mSiO2 & nH2O. It is insoluble in water and any solvent, non-toxic and tas...
Pre purchase guide for desiccant
2022-10-22
Desiccant refers to the substance that can remove part of the moisture in the moist substance. For example, calcium sulfate and calcium chloride are dried by combining with water to form hydrate; P...