METHOD OF OBTAINING CARBON DIOXIDE FROM A CARBON DIOXIDE-CONTAINING GAS MIXTURE

摘要

A method of obtaining carbon dioxide from a C02-containing gas mixture, said method comprising the steps of: - obtaining a CO2-containing gas mixture; - cooling the gas mixture; - flowing the cooled gas mixture into a gas separation membrane module; - directing a sweep gas to a permeate side of the membrane, the sweep gas having a low CO2 concentration; - recovering a carbon dioxide-rich permeate from the membrane; and - recovering a carbon dioxide-lean non-permeate from the membrane.