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:
Dec. 02, 2025

Filed:

Oct. 08, 2021
Applicant:

Evoqua Water Technologies Ltd, Portskewett Caldicot, GB;

Inventors:

Joshua Griffis, Ashburnham, MA (US);

Simon P. Dukes, Chelmsford, MA (US);

Wenxin Du, Dover, NH (US);

Daniel R. Corrado, Rarian, NJ (US);

Frederick C. Wilkins, Pepperell, MA (US);

Xiangyi Qiao, Singapore, SG;

Romulo Dador Conde, Singapore, SG;

David Bonnick, Heathfield, GB;

Ryan Flood, Natick, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/04 (2023.01); C02F 1/00 (2023.01); C02F 1/44 (2023.01); C02F 1/46 (2023.01); C02F 9/00 (2023.01); C25B 1/26 (2006.01); C02F 1/467 (2023.01); C02F 1/469 (2023.01); C02F 1/66 (2023.01);
U.S. Cl.
CPC ...
C02F 9/00 (2013.01); C02F 1/008 (2013.01); C25B 1/26 (2013.01); C02F 1/04 (2013.01); C02F 1/441 (2013.01); C02F 1/442 (2013.01); C02F 1/4674 (2013.01); C02F 1/4695 (2013.01); C02F 1/66 (2013.01); C02F 2201/4614 (2013.01); C02F 2209/02 (2013.01); C02F 2209/29 (2013.01); C02F 2209/40 (2013.01); C02F 2303/04 (2013.01);
Abstract

An electrochlorination process includes treating water from a source of water in an advanced water conditioning system that removes at least a portion of anions and cations from the water and produces demineralized water, blending the demineralized water with sodium chloride to form a brine solution, and treating the brine solution in an electrolyzer to form a disinfection solution including sodium hypochlorite having a concentration of chlorate of less than 0.25 mg/L.


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