Category: molecular sieve

CNM 3A molecular sieve is widely used in the dehydration of toluene. Since toluene contains a small amount of water in industrial production applications, its purity and solubility will be reduced, affecting its properties and application effects. In addition, water-containing toluene can easily cause acid catalytic reactions, leading to a decrease in product quality. In order to remove trace amounts of moisture in toluene, 3A molecular sieves are used to achieve high-precision drying and dehydration through physical adsorption without producing pollutants and affecting the composition of raw materials.

CNM 3A molecular sieve is widely used in the dehydration and drying of butadiene. In chemical industry applications, because butadiene is a raw material participating in the reaction, it is mainly used in the synthesis of rubber; water content in the raw material will reduce the polymerization reaction speed, resulting in a decrease in product quality.

CNM 3A molecular sieve is widely used in the drying and dehydration of acetonitrile. Acetonitrile is a common organic solvent widely used in the fields of chemical synthesis, organic synthesis and analytical chemistry. However, industrial-grade acetonitrile often contains water, which can adversely affect the performance of certain reactions. Therefore, acetonitrile needs to be deeply dehydrated and dried.

CNM 4A molecular sieve is widely used in the dehydration of natural gas. Because the saturated moisture in natural gas feed gas may form hydrocarbon hydrates under certain conditions, it will block the pipelines and equipment of the liquefaction system, ultimately affecting natural gas production. In addition, for natural gas containing carbon dioxide and hydrogen sulfide, due to the action of moisture, they will form corrosive acid liquid, causing serious corrosion of equipment and pipelines. Therefore, the natural gas feed gas must be dehydrated.

CNM 4A molecular sieve is widely used in the drying and dehydration of ethyl acetate. Under normal pressure, the finished product of ethyl acetate contains a certain amount of water. In the process of purifying ethyl acetate, since the product water and ethanol can form binary and ternary azeotropes with ethyl acetate, they are also partially miscible at room temperature. This brings great difficulties to the purification of ethyl acetate. In order to obtain higher purity ethyl acetate, the ethyl acetate needs to be dried and dehydrated.

Lithium battery electrolyte is a liquid composed of organic solvents, inorganic salts and additives. When the water content in the electrolyte is too much, it not only increases the internal resistance of the electrolyte and reduces the capacity and cycle life of the battery, but may also cause battery short circuit, spontaneous combustion, explosion and other serious consequences. Therefore, the lithium battery electrolyte needs to be dehydrated and dried.

Since raw natural gas contains a little moisture, hydrates will form when the ambient temperature is equal to or lower than 0°C, blocking pipelines. In addition, natural gas contains carbon dioxide, hydrogen sulfide and other gases, which can easily form acid with water, causing damage to equipment and pipelines. corrosion. Hydrates will be generated during decompression and cooling under storage pressure, which will block pipes, gas bottle nozzles, charging nozzles, etc.,

Molecular sieves have a wide range of application prospects and have been called “one of the new materials of the 21st century”. There are many types of molecular sieves that can adsorb different molecules. It has a microporous structure with uniform gaps inside like a sieve, which can screen and adsorb different molecules

CNM 4A molecular sieve has the characteristics of selective adsorption capacity, large total adsorption capacity, high adsorption efficiency, acid and alkali resistance, and long service life.