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:
Aug. 06, 2019

Filed:

Nov. 24, 2014
Applicant:

Enviro Water Minerals Company, Inc., Houston, TX (US);

Inventor:

Paul Steven Wallace, Katy, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/00 (2006.01); C02F 1/28 (2006.01); C02F 1/42 (2006.01); C02F 1/44 (2006.01); C02F 1/76 (2006.01); C02F 5/00 (2006.01); C02F 9/00 (2006.01); C02F 1/469 (2006.01); C02F 101/10 (2006.01); C02F 103/00 (2006.01); B01J 49/50 (2017.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
C02F 9/00 (2013.01); B01J 49/50 (2017.01); C02F 1/001 (2013.01); C02F 1/28 (2013.01); C02F 1/42 (2013.01); C02F 1/441 (2013.01); C02F 1/442 (2013.01); C02F 1/4693 (2013.01); C02F 1/76 (2013.01); C02F 5/00 (2013.01); C02F 2101/101 (2013.01); C02F 2101/103 (2013.01); C02F 2103/001 (2013.01); C02F 2103/08 (2013.01); C02F 2209/06 (2013.01); C02F 2209/44 (2013.01); C02F 2303/04 (2013.01); C02F 2303/16 (2013.01); C02F 2303/22 (2013.01); Y02A 20/131 (2018.01); Y02A 20/134 (2018.01);
Abstract

A system includes an ion exchange softener fluidly coupled to a wastewater treatment system. The first ion exchange softener may receive a first brine stream from the wastewater treatment system and to remove a plurality of minerals from the first brine stream to generate a second brine stream including the plurality of minerals and a third brine stream. The system also includes a mineral removal system disposed downstream from the ion exchange softener and that may receive the second brine stream and to generate a sodium chloride (NaCl) brine stream and an acid and caustic production system disposed downstream from and fluidly coupled to the mineral removal system. The acid and caustic production system includes a first electrodialysis (ED) system that may receive the NaCl brine stream from the mineral removal system and to generate hydrochloric acid (HCl) and sodium hydroxide (NaOH) from the NaCl brine stream. The system also includes a second ED system disposed downstream from the ion exchange softener and upstream of the acid and caustic production system. The second ED system is fluidly coupled to the ion exchange softener and to the acid and caustic production system, and the second ED may generate desalinated water from the third brine stream and an ED concentrate stream. The second ED system may direct the ED concentrate stream to the acid and caustic production system.


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