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:
Feb. 25, 2025

Filed:

Nov. 27, 2020
Applicant:

Massachusetts Institute of Technology, Cambridge, MA (US);

Inventors:

Kameron Conforti, Malden, MA (US);

Mohammad Ayman Alkhadra, Cambridge, MA (US);

Tao Gao, Cambridge, MA (US);

Huanhuan Tian, Cambridge, MA (US);

Martin Z. Bazant, Wellesley, MA (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21F 9/06 (2006.01); B01D 61/42 (2006.01); B01D 61/46 (2006.01);
U.S. Cl.
CPC ...
G21F 9/06 (2013.01); B01D 61/4281 (2022.08); B01D 61/461 (2022.08); B01D 2311/06 (2013.01); B01D 2311/08 (2013.01); B01D 2311/2684 (2013.01); B01D 2313/345 (2013.01);
Abstract

Radioactive nuclides (radionuclides) are separate from an aqueous radioactive liquid by feeding the liquid into a chamber between a porous anode and a porous cathode of a shock electrodialysis device. Meanwhile, an anolyte is fed through the porous anode, and a catholyte is fed through the porous cathode. A voltage is applied to the porous anode and to the porous cathode to create a voltage differential across the chamber. The liquid is passed through the chamber, and cations are selectively driven from the liquid into the cathode by the voltage differential. The voltage differential creates a desalination shock that produces an ion-enriched zone on one side of the desalination shock and a deionized zone on an opposite side. A brine including the radioactive cations is extracted from the ion-enriched zone through a brine outlet, and fresh water is extracted from the deionized zone through a fresh-water outlet.


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