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Title: Electrochemical ion separation in molten salts

A purification method that uses ion-selective ceramics to electrochemically filter waste products from a molten salt. The electrochemical method uses ion-conducting ceramics that are selective for the molten salt cations desired in the final purified melt, and selective against any contaminant ions. The method can be integrated into a slightly modified version of the electrochemical framework currently used in pyroprocessing of nuclear wastes.
Inventors:
; ; ; ; ; ;
Issue Date:
OSTI Identifier:
1414407
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM) SNL-A
Patent Number(s):
9,847,149
Application Number:
15/054,766
Contract Number:
AC04-94AL85000
Resource Relation:
Patent File Date: 2016 Feb 26
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Other works cited in this record:

Method and apparatus for separating a metal from a salt thereof
patent, August 1978

Method for electrochemically producing an alkali metal from an aqueous solution
patent, August 2004

Apparatus and system for refining sodium
patent-application, June 2002

Solid electrolyte thermoelectrochemical system
patent-application, June 2006

Ion Conductor Having a Garnet Structure
patent-application, August 2010

Apparatus and Method of Producing Metal in a Nasicon Electrolytic Cell
patent-application, January 2014

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