Room temperature electrodeposition of actinides from ionic solutions

Hatchett, David W.; Czerwinski, Kenneth R.; Droessler, Janelle; Kinyanjui, John

Title: Room temperature electrodeposition of actinides from ionic solutions

Abstract

Uranic and transuranic metals and metal oxides are first dissolved in ozone compositions. The resulting solution in ozone can be further dissolved in ionic liquids to form a second solution. The metals in the second solution are then electrochemically deposited from the second solutions as room temperature ionic liquid (RTIL), tri-methyl-n-butyl ammonium n-bis(trifluoromethansulfonylimide) [Me.sub.3N.sup.nBu][TFSI] providing an alternative non-aqueous system for the extraction and reclamation of actinides from reprocessed fuel materials. Deposition of U metal is achieved using TFSI complexes of U(III) and U(IV) containing the anion common to the RTIL. TFSI complexes of uranium were produced to ensure solubility of the species in the ionic liquid. The methods provide a first measure of the thermodynamic properties of U metal deposition using Uranium complexes with different oxidation states from RTIL solution at room temperature.

Inventors:: Hatchett, David W.; Czerwinski, Kenneth R.; Droessler, Janelle; Kinyanjui, John

Issue Date:: 2017-04-25

Research Org.:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1353071

Patent Number(s):: 9631290

Application Number:: 13/764,282

Assignee:: THE BOARD OF REGENTS OF THE NEVADA SYSTEM OF HIGHER EDUCATION ON BEHALF OF THE UNIVERSITY OF NEVADA, LAS VEGAS

Patent Classifications (CPCs):: C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25C - PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS

C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25D - PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS

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C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25C - PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS
C25C3/34 - of metals not provided for in groups C25C3/02 - C25C3/32

C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25D - PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS
C25D3/54 - of metals not provided for in groups C25D3/04 - C25D3/50
C25D3/665 - {from ionic liquids}

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DOE Contract Number:: AC07-05ID14517; FC07-06ID14781

Resource Type:: Patent

Resource Relation:: Patent File Date: 2013 Feb 11

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Hatchett, David W., Czerwinski, Kenneth R., Droessler, Janelle, and Kinyanjui, John. Room temperature electrodeposition of actinides from ionic solutions.  United States: N. p., 2017. 
        Web.

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                    Hatchett, David W., Czerwinski, Kenneth R., Droessler, Janelle, & Kinyanjui, John. Room temperature electrodeposition of actinides from ionic solutions.  United States.

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                    Hatchett, David W., Czerwinski, Kenneth R., Droessler, Janelle, and Kinyanjui, John. Tue .  
        "Room temperature electrodeposition of actinides from ionic solutions".  United States.  https://www.osti.gov/servlets/purl/1353071.

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@article{osti_1353071,

  title        = {Room temperature electrodeposition of actinides from ionic solutions},

  author       = {Hatchett, David W. and Czerwinski, Kenneth R. and Droessler, Janelle and Kinyanjui, John},

  abstractNote = {Uranic and transuranic metals and metal oxides are first dissolved in ozone compositions. The resulting solution in ozone can be further dissolved in ionic liquids to form a second solution. The metals in the second solution are then electrochemically deposited from the second solutions as room temperature ionic liquid (RTIL), tri-methyl-n-butyl ammonium n-bis(trifluoromethansulfonylimide) [Me.sub.3N.sup.nBu][TFSI] providing an alternative non-aqueous system for the extraction and reclamation of actinides from reprocessed fuel materials. Deposition of U metal is achieved using TFSI complexes of U(III) and U(IV) containing the anion common to the RTIL. TFSI complexes of uranium were produced to ensure solubility of the species in the ionic liquid. The methods provide a first measure of the thermodynamic properties of U metal deposition using Uranium complexes with different oxidation states from RTIL solution at room temperature.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2017},

  month        = {4}

}

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