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...

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...

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...

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....

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...

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 ...

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...

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, ...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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....

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...

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...

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...

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...

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 ...

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....

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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 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 as adsorbentThe primary industrial applications of activated alumina as adsorbent include gas monotony, liquid monotony, water purification, selective adsorption in...

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...

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...

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...

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 ...

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...

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 ...

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...

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, such as water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, carbon dioxide, ethylene, propylene, etc. It does not adsorb any molecule ...

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....

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...

Properties of Zeolite Molecular Sieves： Adsorption performance, ion exchange performance, catalytic performance Application of Zeolite Molecular Sieves： Zeolite molecular sieve crystals are widely ...

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. ...

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...

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 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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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:...

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 ...

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...

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...

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 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...

Freeze DryingIt provides molecular sieve desiccants for air conditioning and refrigeration systems in automobile, household appliances and industrial construction industries.The produced molecular ...

Petroleum refiningIt provides professional molecular sieve series products for petroleum refining industry.Drying of alkylation raw materials - molecular sieves help reduce acid consumption, reduce...

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...

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...

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, ...

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...

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...

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 ...

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 ...

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...

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...

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...

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...

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...

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...

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