| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a gas collection method using a clathrate hydrate by forming the clathrate hydrate having a gas collection property by cooling an aqueous solution containing a gas collection agent containing a hydrate having quaternary ammonium salts as guest molecules and quaternary ammonium salts as solutes, wherein the clathrate hydrate is efficiently or economically formed. <P>SOLUTION: The gas collection agent contains the clathrate hydrate having the gas collection property, wherein the clathrate hydrate includes the one formed in the aqueous solution by cooling the aqueous solution containing two or more kinds of quaternary ammonium salts to 15°C or more. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
