Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component
Patent
1996-08-21
1998-04-28
Straub, Gary P.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Carbon dioxide or hydrogen sulfide component
423228, B01D 5362
Patent
active
057441103
ABSTRACT:
This invention provides a method for the removal of CO.sub.2 present in combustion exhaust gas which comprises bringing combustion exhaust gas at atmospheric pressure into contact with a mixed aqueous solution containing 100 parts by weight of an amino acid metal salt (X), 1 to 25 parts by weight of piperazine (Y), and optionally a copper compound in such an amount as to give a divalent copper ion concentration of 10 to 1,000 ppm based on the mixed aqueous solution, the amino acid metal salt being of the general formula
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English Translation of Japan Patent Document No. 48 (1973)--46,585 (03 Jul. 1973).
Chemical Engineering Science, vol. 41, No. 4, pp. 405-408 and pp. 997-1003. (1986, No Month).
English Abstract for Japan Patent Document No. 46,585-A (03 Jul. 1973) Assigned to Mitsubishi Chemicals.
Iijima Masaki
Mimura Tomio
Mitsuoka Shigeaki
Shimojo Shigeru
Mitsubishi Jukogyo Kabushiki Kaisha
Straub Gary P.
The Kansai Electric Power Co. Inc.
Vanoy Timothy C.
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