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. 24, 2016
Filed:
Sep. 01, 2011
Applicants:
Michael Combs, Shady Spring, WV (US);
Denis Fallon, Blacksburg, VA (US);
Inventors:
Michael Combs, Shady Spring, WV (US);
Denis Fallon, Blacksburg, VA (US);
Assignee:
CELANESE INTERNATIONAL CORPORATION, Irving, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 21/01 (2006.01); B03D 3/00 (2006.01); C02F 1/52 (2006.01); C02F 1/68 (2006.01); B01D 37/00 (2006.01); C02F 1/00 (2006.01); C02F 1/66 (2006.01); C02F 101/10 (2006.01); C02F 101/30 (2006.01); C02F 103/36 (2006.01);
U.S. Cl.
CPC ...
C02F 1/5245 (2013.01); C02F 1/66 (2013.01); C02F 2101/105 (2013.01); C02F 2101/30 (2013.01); C02F 2103/36 (2013.01); C02F 2209/02 (2013.01); C02F 2209/06 (2013.01);
Abstract
The present invention is to a process for reducing and removing organic phosphorus acid from waste stream. The process involves adding a multivalent metal salt to the waste stream and adjusting the pH level of the waste stream to an optimum level to maximize the removal of organic phosphorus acid.