Process for the extraction of technetium from uranium

Gong, Cynthia-May S; Poineau, Frederic; Czerwinski, Kenneth R

Title: Process for the extraction of technetium from uranium

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Abstract

A spent fuel reprocessing method contacts an aqueous solution containing Technetium(V) and uranyl with an acidic solution comprising hydroxylamine hydrochloride or acetohydroxamic acid to reduce Tc(V) to Tc(II, and then extracts the uranyl with an organic phase, leaving technetium(II) in aqueous solution.

Inventors:

Gong, Cynthia-May S ^[1]; Poineau, Frederic ^[2]; Czerwinski, Kenneth R ^[2]

San Mateo, CA
Las Vegas, NV

Issue Date:: 2010-12-21

Research Org.:: The Board of Regents of the Nevada System of Higher Education of the University of Nevada, Las Vegas

Sponsoring Org.:: USDOE

OSTI Identifier:: 1009529

Patent Number(s):: 7854907

Application Number:: 12/313,354

Assignee:: The Board of Regents of the Nevada System of Higher Education of the University of Nevada, Las Vegas

Patent Classifications (CPCs):: Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F

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Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
Y02E30/30 - Nuclear fission reactors

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C01G99/003 - {Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange}

C - CHEMISTRY C22 - METALLURGY C22B - PRODUCTION AND REFINING OF METALS
C22B61/00 - Obtaining metals not elsewhere provided for in this subclass
C22B7/007 - {by acid leaching}

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C01G43/003 - {Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange}

G - PHYSICS G21 - NUCLEAR PHYSICS G21C - NUCLEAR REACTORS
G21C19/46 - Aqueous processes {, e.g. by using organic extraction means, including the regeneration of these means}

C - CHEMISTRY C22 - METALLURGY C22B - PRODUCTION AND REFINING OF METALS
C22B3/0024 - {using acids of the carboxylic type or derivatives thereof, e.g. amino acids, nitriles, amides, hydroxamic acids}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02W - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
Y02W30/50 - Reuse, recycling or recovery technologies

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02P - CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P10/20 - Process efficiency

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DOE Contract Number:: FC07-06ID14781

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Citation Formats


                    Gong, Cynthia-May S, Poineau, Frederic, and Czerwinski, Kenneth R. Process for the extraction of technetium from uranium.  United States: N. p., 2010. 
        Web.

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                    Gong, Cynthia-May S, Poineau, Frederic, & Czerwinski, Kenneth R. Process for the extraction of technetium from uranium.  United States.

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                    Gong, Cynthia-May S, Poineau, Frederic, and Czerwinski, Kenneth R. Tue .  
        "Process for the extraction of technetium from uranium".  United States.  https://www.osti.gov/servlets/purl/1009529.

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@article{osti_1009529,

  title        = {Process for the extraction of technetium from uranium},

  author       = {Gong, Cynthia-May S and Poineau, Frederic and Czerwinski, Kenneth R},

  abstractNote = {A spent fuel reprocessing method contacts an aqueous solution containing Technetium(V) and uranyl with an acidic solution comprising hydroxylamine hydrochloride or acetohydroxamic acid to reduce Tc(V) to Tc(II, and then extracts the uranyl with an organic phase, leaving technetium(II) in aqueous solution.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2010},

  month        = {12}

}

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