3A,4A,5A,carbon molecular sieve as catalyst for air separation industry 1.Beads 4*8mesh 8*12mesh ... inch 3A,4A,5A,carbon molecular sieve as catalyst for air separation industryMolecular Sieve 3A is an alkali metal ... in the case of thermal swing processes; or by lowering the pressure in the case of pressure swing processes. ... . 3A,4A,5A,carbon molecular sieve as catalyst for air separation industry