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.

Date of Patent:
Apr. 16, 2013

Filed:

Jun. 24, 2008
Applicants:

Shinkichi Shimizu, Kizugawa, JP;

Firoz Alam Chowdhury, Kizugawa, JP;

Hiromichi Okabe, Kizugawa, JP;

Kazuya Goto, Kizugawa, JP;

Inventors:

Shinkichi Shimizu, Kizugawa, JP;

Firoz Alam Chowdhury, Kizugawa, JP;

Hiromichi Okabe, Kizugawa, JP;

Kazuya Goto, Kizugawa, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed is a method for recovering carbon dioxide from a gas containing carbon dioxide, comprising the step (1) of bringing a gas containing carbon dioxide into contact with an aqueous solution containing 2-isopropylaminoethanol and at least one substance selected from the group consisting of piperazines and alkanolamines to absorb carbon dioxide into the aqueous solution; and the step (2) of heating the aqueous solution containing carbon dioxide absorbed therein, which is obtained in the step (1), to separate and recover carbon dioxide from the solution.


Find Patent Forward Citations

Loading…