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:
Sep. 13, 2016

Filed:

Jan. 12, 2016
Applicant:

Apache Corporation, Houston, TX (US);

Inventors:

Christopher M. Barnes, Houston, TX (US);

Ty Hanna, Houston, TX (US);

Assignee:

APACHE CORPORATION, Houston, TX (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/20 (2006.01); C02F 1/66 (2006.01); C02F 9/00 (2006.01); B01D 53/14 (2006.01); B01D 53/18 (2006.01); C10L 3/10 (2006.01); C02F 101/10 (2006.01); C02F 103/18 (2006.01); C02F 103/36 (2006.01);
U.S. Cl.
CPC ...
C02F 1/20 (2013.01); B01D 53/1406 (2013.01); B01D 53/1462 (2013.01); B01D 53/18 (2013.01); C02F 1/66 (2013.01); C02F 9/00 (2013.01); C10L 3/102 (2013.01); C02F 2101/101 (2013.01); C02F 2103/18 (2013.01); C02F 2103/365 (2013.01); C10L 2290/545 (2013.01);
Abstract

A method for removing acid-gases from water includes introducing acid into a flow of aqueous solution having acid-gases and associated conjugate bases having an initial pH to lower the pH. The lowered pH solution has a stripping gas passed therethrough, resulting in a vapor phase of liberated acid-gas and stripping gas vapors, and a liquid phase comprising a lower concentration of acid-gases and associated conjugate bases than the aqueous solution. The liberated acid-gas and stripping gas vapors are collected and treated to remove acid-gas components, resulting in clean stripping gas product. The liquid phase is separated and collected with a second treating step, resulting in a final aqueous product having a lower concentration of acid-gases and associated conjugate bases than the liquid phase.


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