A-type molecular sieves are composed of LTA-type skeleton structures, and the main crystal pores of 3A-type molecular sieves are octagonal ring structures. https://www.techzeolite.com/ A-type molecular sieves
3A molecular sieves Chemical formula: ⅔ K2O×⅓ Na2O×Al2O3×2 SiO2×4.5 H2O
3A molecular sieves are synthetic zeolites composed of silicon oxygen and aluminum oxygen tetrahedrons, and their main crystal pores are octagonal ring structures.
The effective pore size of 3A molecular sieves is 3Å. It is mainly used in building glass, gas purification and petroleum cracking gas.
Application areas 3A molecular sieves are the most selective type of molecular sieves. The main applications include:
Drying of petroleum cracking gas, unsaturated hydrocarbon materials (such as ethylene, propylene, butadiene, acetylene, etc.), dehydration of natural gas and prevention of the formation of COS (carbonyl sulfide).
Purification and drying of methanol and ethanol.
Drying of carbon dioxide CO2 gas. 4A molecular sieve Chemical formula: Na2O×Al2O3×2 SiO2×4.5 H2O
4A molecular sieve is a sodium-type aluminosilicate with a main crystal pore diameter of 4Å (1Å=10-10m).https://chempacking.en.alibaba.com/index.html?spm=a2700.shop_pl.88.17.15617121Y6B74B
molecular sieves
