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:
Feb. 25, 2020
Filed:
May. 11, 2018
Applicant:
Massachusetts Institute of Technology, Cambridge, MA (US);
Inventors:
Sahil Rajesh Shah, Edmonton, CA;
Amos G. Winter, V, Somerville, MA (US);
Natasha C. Wright, Wayzata, MN (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/46 (2006.01); C02F 1/469 (2006.01); B01D 61/54 (2006.01); C02F 1/00 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
C02F 1/4693 (2013.01); B01D 61/46 (2013.01); B01D 61/54 (2013.01); C02F 1/008 (2013.01); B01D 2311/243 (2013.01); B01D 2311/25 (2013.01); B01D 2311/2649 (2013.01); C02F 2103/08 (2013.01); C02F 2201/46 (2013.01); C02F 2209/05 (2013.01); C02F 2301/046 (2013.01); C02F 2303/04 (2013.01);
Abstract
Described are improved electrodialysis (ED) desalination systems and methods comprising voltage regulation and/or improved stack geometries. The systems and methods provide product water concentrations suitable for drinking (having a total dissolved solids concentration of less than 500 mg/L or 500 ppm) and have a high product recovery ratio.