The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2018
Filed:
Apr. 25, 2013
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
The Kansai Electric Power Co., Inc., Osaka-shi, Osaka, JP;
Hiroshi Tanaka, Tokyo, JP;
Hiromitsu Nagayasu, Tokyo, JP;
Takuya Hirata, Tokyo, JP;
Tsuyoshi Oishi, Tokyo, JP;
Takashi Kamijo, Tokyo, JP;
MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD., Yokohama-shi, JP;
THE KANSAI ELECTRIC POWER CO., INC., Osaka-shi, JP;
Abstract
An absorbent is prepared by dissolving in water 1) monoethanolamine (MEA) and 2) a primary amine represented by the following formula (1) and having high steric hindrance. Releasability of COor HS during regeneration of the absorbent is thereby improved, and the amount of water vapor used during regeneration of the absorbent in a facility for recovering COor HS can be reduced. Rto R: H or a hydrocarbon group having 1 to 3 carbon atoms, at least one of Rto Rbeing a hydrocarbon.