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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.:

US 9782720 B1

PDFFull Text
Date of Patent:
Oct. 10, 2017

Filed:

Feb. 08, 2013

Degradant concentration measurement device and acidic gas removal device

Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Atsuhiro Yukumoto, Tokyo, JP;

Kouji Horizoe, Tokyo, JP;

Yudai Kato, Tokyo, JP;

Haruaki Hirayama, Tokyo, JP;

Kazuo Ishida, Kanagawa, JP;

Assignee:

MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;

Attorney:

Westerman, Hattori, Daniels & Adrian, LLP

Primary Examiner:

Amber R Orlando

Assistant Examiner:

Cabrena Holecek

Int. Cl.
CPC ...
B01D 53/34 (2006.01); B01D 53/82 (2006.01); G01N 27/02 (2006.01); G01N 33/00 (2006.01); G01N 27/06 (2006.01); B01D 53/14 (2006.01); C10K 1/00 (2006.01); C10K 1/10 (2006.01); C10L 3/10 (2006.01);
U.S. Cl.
CPC ...
B01D 53/346 (2013.01); B01D 53/1425 (2013.01); B01D 53/1475 (2013.01); B01D 53/82 (2013.01); C10K 1/003 (2013.01); C10K 1/10 (2013.01); G01N 27/02 (2013.01); G01N 27/06 (2013.01); G01N 33/0027 (2013.01); B01D 2252/20478 (2013.01); B01D 2258/0283 (2013.01); C10L 3/102 (2013.01); C10L 2290/541 (2013.01); C10L 2290/60 (2013.01); Y02C 10/06 (2013.01); Y02P 20/152 (2015.11);
Abstract

A degradant concentration measurement deviceaccording to the invention has an electric conductivity measurement instrumentA measuring the electric conductivity of a lean solutionthat is an acidic gas-absorbing solution and detection meansobtaining the concentration of a degradant contained in a lean solutionfrom the measured electric conductivity of the lean solutionbased on the relationship between the previously-obtained electric conductivity of the lean solutionand the concentration of the degradant contained in the lean solution

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