Molecular Sieve 5a is a kind of alkali-metallic,silicon-aluminum compounds.It could adsorb the molecules which diameter is not more than 5 angstroms.

Applications: Multi-purpose,used for the dehydration and purification of various hydrocarbon and non- hydrocarbon gas and liquid streams.It is used for the separation of straight and branched chain hydrocarbons,sweetening and drying of natural gases and the production of high purity hydrogen.