Pharmaceutical grade 13A Molecular Sieve is used commercially for general gas drying, air plant feed purification and liquid hydrocarbon and natural gas sweetening. The Molecular Sieve is mainly used as catalyze carrier, co-adsorption of CO Subscript 2 and H Subscript 2O, H Subscript 2O and H Subscript 2S and as desiccant for medical and air compressor systems. The Molecular Sieve can adsorb molecules of larger critical diameters, such as aromatics and branched-chain hydrocarbons. Pharmaceutical grade 13A Molecular Sieve is available in pellet as well as sphere shapes.