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:
Nov. 03, 2015
Filed:
Oct. 30, 2014
Applicant:
The United States of America, As Represented BY the Secretary of Agriculture, Washington, DC (US);
Inventors:
Ariel A Szogi, Florence, SC (US);
Matias B Vanotti, Florence, SC (US);
Michael J Rothrock, Athens, GA (US);
Assignee:
The United States of America, as represented by the Secretary of Agriculture, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01C 1/242 (2006.01); C01C 1/28 (2006.01); B01D 53/22 (2006.01); C01C 1/16 (2006.01); C01C 1/18 (2006.01); C07C 51/41 (2006.01); C01C 1/12 (2006.01);
U.S. Cl.
CPC ...
C01C 1/28 (2013.01); B01D 53/22 (2013.01); C01C 1/12 (2013.01); C01C 1/164 (2013.01); C01C 1/185 (2013.01); C01C 1/242 (2013.01); C07C 51/412 (2013.01); B01D 2251/50 (2013.01); B01D 2251/70 (2013.01); B01D 2257/406 (2013.01); B01D 2258/0266 (2013.01); B01D 2258/06 (2013.01);
Abstract
A system and method for passive capture of ammonia in an enclosure containing material that gives off ammonia. The invention allows for the passage of gaseous NHthrough microporous hydrophobic gas-permeable membranes and its capture in a circulated acidic solution with concomitant production of a concentrated non-volatile ammonium salt.