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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.:

US 12790248 B1

PDFFull Text
Date of Patent:
Nov. 10, 2026

Filed:

Sep. 12, 2022

Nanofiltration pretreatment of seawater for electrodialysis desalination

Applicant:

Evoqua Water Technologies Llc, Pittsburgh, PA (US);

Inventors:

Joshua W. Griffis, Asburnham, MA (US);

Li-Shiang Liang, Harvard, MA (US);

Scott Waugh, Pepperell, MA (US);

Charles P. Buzzel, Londerry, NH (US);

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

Gary C. Ganzi, Lexington, MA (US);

Assignee:

Evoqua Water Technologies LLC, Pittsburgh, PA (US);

Attorney:
Primary Examiner:

Dirk R Bass

Int. Cl.
CPC ...
C02F 9/00 (2023.01); B01D 61/02 (2006.01); B01D 61/04 (2006.01); B01D 61/06 (2006.01); B01D 61/42 (2006.01); B01D 61/48 (2006.01); B01D 61/58 (2006.01); B01D 71/56 (2006.01); C02F 1/44 (2023.01); C02F 1/469 (2023.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
C02F 9/00 (2013.01); B01D 61/06 (2013.01); B01D 61/58 (2013.01); B01D 71/56 (2013.01); B01D 61/027 (2013.01); B01D 61/04 (2013.01); B01D 61/423 (2022.08); B01D 61/48 (2013.01); B01D 2313/18 (2013.01); B01D 2313/246 (2013.01); B01D 2317/022 (2013.01); B01D 2317/025 (2013.01); B01D 2317/08 (2013.01); C02F 1/442 (2013.01); C02F 1/4695 (2013.01); C02F 2103/08 (2013.01); C02F 2209/40 (2013.01); C02F 2301/046 (2013.01); C02F 2301/08 (2013.01);
Abstract

Systems for water desalination are disclosed. The systems include a source of non-potable water, a low pressure nanofiltration device, a first electrodialysis unit, a second electrodialysis unit, and recycle conduits. Methods of water desalination including directing non-potable water to a low pressure nanofiltration device, a first electrodialysis unit, and a second electrodialysis unit are also disclosed. Methods of facilitating water desalination by providing a water desalination system are also disclosed.

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Quick Actions:

Griffis, Joshua. (2026). Nanofiltration pretreatment of seawater for electrodialysis desalination (U.S. Patent No. 12790248). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12790248

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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