| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a separation method and a system of carbon dioxide gas efficiently separating CO<SB>2</SB>gas in a gaseous state from exhaust gas of an industrial process. <P>SOLUTION: Absorbing liquid containing metal ions constituting hydrogen carbonate or carbonate is impregnated into hollow fiber membranes 5, supply gas containing carbon dioxide gas is supplied into the hollow fiber membranes 5, pressure of surroundings of the hollow fiber membranes 5 is reduced to take in carbon dioxide gas in the supply gas into fine pores of the hollow fiber membranes 5, and to discharge the carbon dioxide gas to surrounding spaces of the hollow fiber membranes 5 of a membrane module 2. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
