4A molecular sieve
4A molecular sieve pore size of 4A, adsorption of water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, carbon dioxide, ethylene, propylene, does not adsorption diameter greater than 4A of any molecule (including propane), the selection of water adsorption performance is higher than any other molecules. It is one of the largest industrial molecular sieve varieties.
Category:
keyword:Type A、NaY Molecular Sieve
Product details
4A molecular sieve is a kind of alkali metal silicon aluminate, can absorb water, NH3, H2S, sulfur dioxide, carbon dioxide, C2H5OH, C2H6, C2H4 and other critical diameter is not greater than 4A molecules. Widely used in gas, liquid drying, can also be used for some gas or liquid refining and purification, such as argon.
Reference parameter
Chemical formula: Na2O·Al2O3·2SiO2·9/2H2O
Si/Al ratio: SiO2/ Al2O3≈2
Effective aperture: about 4A
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