What is Molecular Sieve？

Molecular sieves are microporous materials with pores of uniform size. These pore sizes are similar in size to small molecules, so large molecules cannot enter or be adsorbed, while smaller molecules can. When molecular compounds are filtered and migrated through a sieve bed composed of molecular sieves, high molecular weight chemical molecules cannot be released through molecular pores, while smaller molecules are easily adsorbed.

What are the Different Types of Molecular Sieves?

Xintao can provide molecular sieve types including 3A 4A 5A 13X 13X-APG 13X-HP IG Na-Y XH-7 XH-9.

Introduce the application of the following commonly used molecular sieves：

Application of 3A Molecular Sieve

3A molecular sieve mainly absorbs water, and is mainly used for drying of petroleum cracked gas, olefin, refinery gas and oilfield gas, as well as desiccant in chemical, pharmaceutical, insulating glass and other industries. For example, drying of liquid (such as ethanol), air drying of insulating glass, drying of nitrogen and hydrogen mixed gas, drying of refrigerant, etc.

Application of 4A Molecular Sieve

4A molecular sieve is mainly used for drying of natural gas and various chemical gases and liquids, refrigerants, pharmaceuticals, electronic data and volatile substances, purification of argon, and separation of methane, ethane and propane. Mainly used for deep drying of gases and liquids such as air, natural gas, hydrocarbons, refrigerants; preparation and purification of argon; static drying of electronic components and perishable materials; dehydration drying in paints, polyesters, dyes and coatings agent.

Application of 5A Molecular Sieve

5A molecular sieve is mainly used for drying, desulfurization and decarbonation of natural gas; separation of nitrogen and oxygen to produce oxygen, nitrogen and hydrogen; petroleum dewaxing to separate normal hydrocarbons from branched hydrocarbons and cyclic hydrocarbons.

Application of 13X Molecular Sieve

13X molecular sieve, also known as sodium X-type molecular sieve, is an alkali metal aluminosilicate with a certain alkalinity and belongs to solid alkalis. 13x molecular sieves adsorb any molecule smaller than 10A. 13x molecular sieves are mainly used for gas purification in air separation units to remove water and carbon dioxide. Drying and desulfurization of natural gas, LPG and liquid hydrocarbons as well as deep drying of general gases.

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