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:
May. 27, 2025
Filed:
Nov. 14, 2023
Applicant:
Bechtel Energy Technologies & Solutions, Inc., Houston, TX (US);
Inventors:
Charles Kimtantas, Sugar Land, TX (US);
Martin Taylor, Houston, TX (US);
Assignee:
Bechtel Energy Technologies & Solutions, Inc., Houston, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
C01C 1/12 (2006.01); B01D 53/14 (2006.01); B01D 53/18 (2006.01); B01D 53/52 (2006.01); B01D 53/62 (2006.01); B01D 53/78 (2006.01); C01C 1/10 (2006.01);
U.S. Cl.
CPC ...
C01C 1/12 (2013.01); B01D 53/1418 (2013.01); B01D 53/1462 (2013.01); B01D 53/1468 (2013.01); B01D 53/1475 (2013.01); B01D 53/1493 (2013.01); B01D 53/18 (2013.01); B01D 53/526 (2013.01); B01D 53/62 (2013.01); B01D 53/78 (2013.01); C01C 1/10 (2013.01); B01D 2251/304 (2013.01); B01D 2251/306 (2013.01); B01D 2257/304 (2013.01); B01D 2257/306 (2013.01); B01D 2257/504 (2013.01);
Abstract
The present disclosure generally relates to systems and methods for ammonia purification. More particularly, the systems and methods use a unique arrangement of a caustic wash, a water wash, an ammonia stripper and a caustic fractionator to recover ammonia otherwise lost during conventional purification.