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:
Oct. 27, 2026

Filed:

Jun. 10, 2024
Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Shintaro Honjo, Tokyo, JP;

Takashi Kamijo, Tokyo, JP;

Osamu Miyamoto, Tokyo, JP;

Hiroshi Tanaka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/02 (2006.01); F01N 3/04 (2006.01); F01N 3/08 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0857 (2013.01); F01N 3/04 (2013.01); F01N 3/0885 (2013.01); F01N 2370/00 (2013.01); F01N 2570/10 (2013.01);
Abstract

In an exhaust gas treatment system, a cooling tower cools an exhaust gas containing carbon dioxide. In an absorption tower, an amine-based absorbing liquid capable of absorbing the carbon dioxide in the exhaust gas is introduced and the carbon dioxide in the exhaust gas passing through the cooling tower is absorbed by the amine-based absorbing liquid. A regeneration tower heats the amine-based absorbing liquid absorbing the carbon dioxide, separates the carbon dioxide from the amine-based absorbing liquid, and regenerates the amine-based absorbing liquid. An addition unit adds an additive for adjusting a hydroxide ion concentration of the cooling liquid to the cooling liquid. A state detection unit detects a state of the amine-based absorbing liquid. A control apparatus adjusts an amount of addition of the additive in the addition unit based on a state of the amine-based absorbing liquid detected by the state detection unit.


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Honjo, Shintaro. (2026). Exhaust gas treatment system, absorbing liquid management apparatus, and treatment method of exhaust gas (U.S. Patent No. 12774668). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774668

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