... 3.2mm 4) Air separation, LPG,Molecular Sieve 13XIntroductionMolecular Sieve 13X is the sodium form of the type ... oxygen in small scale oxygen concentrators Regeneration:molecular sieve Type 13X can be regenerated by either ... processes. To remove moisture from a 13X molecular sieve, a temperature of 250-300°C is required ... -2 mm, (10x18 mesh) 2-3 mm, (8x12 mesh) , 2.5-5 mm, (4x8 mesh) and as powder, ...