... Oxygen Concentrators 3.Production of high purity N2,O2,H2,inert gas Molecular Sieve 5A is an alkali alumino silicate; it is ... excellent adsorbent to remove water, CO2, H2S from sour natural gas streams, while minimising COS formation. Light mercaptans are also adsorbed ... Production of high purity N2, O2, H2 and inert gases from mixed gas streams. Regeneration Molecular sieve Type 5A can be regenerated ...