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:
May. 30, 2017

Filed:

Jul. 21, 2013
Applicant:

K-technologies, Inc., Lakeland, FL (US);

Inventors:

William W. Berry, Lakeland, FL (US);

Thomas E. Baroody, Lakeland, FL (US);

Assignee:

K-Technologies, Inc., Lakeland, FL (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/00 (2006.01); C01B 33/10 (2006.01); B01J 41/14 (2006.01); C02F 1/42 (2006.01); C01C 1/16 (2006.01); C01F 7/50 (2006.01); C01B 25/222 (2006.01); C05B 7/00 (2006.01); B01J 41/05 (2017.01); B01J 49/57 (2017.01); C02F 101/10 (2006.01); C02F 101/14 (2006.01); C02F 103/10 (2006.01); C02F 103/34 (2006.01);
U.S. Cl.
CPC ...
C01B 33/103 (2013.01); B01J 41/05 (2017.01); B01J 41/14 (2013.01); B01J 49/57 (2017.01); C01B 25/222 (2013.01); C01B 33/10 (2013.01); C01C 1/162 (2013.01); C01F 7/50 (2013.01); C02F 1/42 (2013.01); C05B 7/00 (2013.01); C02F 2001/422 (2013.01); C02F 2101/105 (2013.01); C02F 2101/14 (2013.01); C02F 2103/10 (2013.01); C02F 2103/34 (2013.01); C02F 2303/16 (2013.01);
Abstract

In particular, in alternative embodiments, the invention provides for a method to recover silicofluoride and phosphate species from wastewaters, or barometric condenser waters, that are typically utilized in wet-process phosphoric acid facilities. The species are recovered via a continuous ion exchange approach that allows for economic recovery of the materials and especially with the silicofluoride component allows for the production of valuable industrial materials such as hydrofluoric acid and other fluoride salts as well as industrial-grade precipitated silica materials. Return of the treated waste water to the phos-acid plant allows for optimization of reagent usage.


Find Patent Forward Citations

Loading…