Molecular sieve for drying alkene,drying nature gas ,Dehydration desulfurization ,High-pow absorbents for removal of ... .7020-210.3-0.6Drying agent for natural gas and absorbent for paraffin separation5A0.60-0.7020 ... -0.5Dehydration,desulfurization and purification of air,natural gas and oil,in oxygen making and hydro-gen ... of H2O, H2S and CO2,in liquid and gas,as well as for paraffin separation13X0.55-0. ...