C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/00 (2006.01) B01D 53/14 (2006.01) B01D 53/34 (2006.01) B01D 53/70 (2006.01) B01J 10/00 (2006.01) C07C 17/38 (2006.01) A62D 3/00 (2006.01)
Patent
CA 2050881
- 17 - ABSTRACT OF THE DISCLOSURE The present invention provides a process of effectively absorbing and decomposing a halogenated hydrocarbon so as not to exhaust it in the air. The present invention provides a process for treating a gas containing halogenated hydrocarbon, which comprises the following steps; (a) the gas containing halogenated hydrocarbon is contacted with a solution which contains an aprotic polar compound having a 5 or 6 membered ring and a nitrogen at an alpha-position of a carbonyl, to absorb and recover a portion of the halogenated hydrocarbon, and (b) the gas, which is exhausted from the step (a) and still contains halogenated hydrocarbon, is contacted with heating with a mixture solution of an aprotic polar compound and a caustic alkali to decompose the halogenated hydrocarbon.
Itoya Naomi
Mashio Fujio
Itoya Naomi
Kirby Eades Gale Baker
Mashio Fujio
Nippon Paint Co. Ltd.
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