The presence of water will significantly enhance the dew point of natural gas, make gas inevitable icing in liquefaction, pipeline transportation or deep cold separation; also form hydrocarbon hydrate to precipitate and block equipment and pipeline; it is easier to act with H2S and CO2 in natural gas and seriously corrode pipeline equipment. Deep dehydration and drying of natural gas with molecular sieve is the most widely used and mature method.
H2S and CO2 in natural gas will act with water and seriously corrode pipeline equipment; acid natural gas with content exceeding national standards must be used normally through purification and desulfurization. Molecular sieve has been widely used in removing impurities such as H2S, CO2 in the gas
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