| 摘要 |
PROBLEM TO BE SOLVED: To prevent deterioration of an acidic gas separation membrane caused by condensed water, in a spiral type acidic gas separation module formed by winding thereon a laminate having the acidic gas separation membrane.SOLUTION: A hydrophobic porous membrane impermeable by condensed water is provided corresponding to the end face on the raw material gas supply side of a laminate-wound object formed by winding thereon a laminate having an acidic gas separation membrane. |
