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:
Aug. 18, 2015
Filed:
Mar. 24, 2014
Applicant:
Stamicarbon B.v., Sittard, NL;
Inventors:
Jozef Hubert Meessen, Wijlre, NL;
Axel Erben, Dortmund, DE;
John Krijgsman, Maastricht, NL;
Winfried Liebig, Iserlohn, DE;
Assignees:
STAMICARBON B.V., Sittard, NL;
THYSSENKRUPP INDUSTRIAL SOLUTIONS AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/46 (2006.01); B01D 61/42 (2006.01); B01D 53/58 (2006.01); B01D 53/73 (2006.01); B01D 61/44 (2006.01); C07C 273/14 (2006.01); C02F 1/469 (2006.01); C02F 101/16 (2006.01); C02F 103/18 (2006.01);
U.S. Cl.
CPC ...
B01D 61/422 (2013.01); B01D 53/58 (2013.01); B01D 53/73 (2013.01); B01D 61/44 (2013.01); B01D 61/445 (2013.01); C07C 273/14 (2013.01); C02F 1/4693 (2013.01); C02F 2101/16 (2013.01); C02F 2103/18 (2013.01);
Abstract
The invention is directed to a process for the removal of ammonia from an ammonia-containing gas stream by treating the ammonia in the ammonia-containing gas stream with an acid, during which treatment an aqueous stream comprising an ammonium salt, wherein the aqueous stream comprising the ammonium salt is treated with electrodialysis, whereby the acid is recovered and an aqueos stream comprising an ammonium hydroxide salt is formed.