Superabsorbing gel for actinide, lanthanide, and fission product decontamination

Kaminski, Michael D.; Mertz, Carol J.

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Title: Superabsorbing gel for actinide, lanthanide, and fission product decontamination

Abstract

The present invention provides an aqueous gel composition for removing actinide ions, lanthanide ions, fission product ions, or a combination thereof from a porous surface contaminated therewith. The composition comprises a polymer mixture comprising a gel forming cross-linked polymer and a linear polymer. The linear polymer is present at a concentration that is less than the concentration of the cross-linked polymer. The polymer mixture is at least about 95% hydrated with an aqueous solution comprising about 0.1 to about 3 percent by weight (wt %) of a multi-dentate organic acid chelating agent, and about 0.02 to about 0.6 molar (M) carbonate salt, to form a gel. When applied to a porous surface contaminated with actinide ions, lanthanide ions, and/or other fission product ions, the aqueous gel absorbs contaminating ions from the surface.

Inventors:: Kaminski, Michael D.; Mertz, Carol J.

Issue Date:: 2016-06-07

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1256013

Patent Number(s):: 9359582

Application Number:: 14/380,482

Assignee:: UCHICAGO ARGONNE, LLC (Chicago, IL)

Patent Classifications (CPCs):: C - CHEMISTRY C11 - ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES C11D - DETERGENT COMPOSITIONS

G - PHYSICS G21 - NUCLEAR PHYSICS G21F - PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT

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C - CHEMISTRY C11 - ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES C11D - DETERGENT COMPOSITIONS
C11D1/008 - {Polymeric surface-active agents

G - PHYSICS G21 - NUCLEAR PHYSICS G21F - PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT
G21F9/002 - {Decontamination of the surface of objects with chemical or electrochemical processes}

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DOE Contract Number:: AC02-06CH11357

Resource Type:: Patent

Resource Relation:: Patent File Date: 2013 Feb 28

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES

Citation Formats


                    Kaminski, Michael D., and Mertz, Carol J. Superabsorbing gel for actinide, lanthanide, and fission product decontamination.  United States: N. p., 2016. 
        Web.

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                    Kaminski, Michael D., & Mertz, Carol J. Superabsorbing gel for actinide, lanthanide, and fission product decontamination.  United States.

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                    Kaminski, Michael D., and Mertz, Carol J. Tue .  
        "Superabsorbing gel for actinide, lanthanide, and fission product decontamination".  United States.  https://www.osti.gov/servlets/purl/1256013.

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@article{osti_1256013,

  title        = {Superabsorbing gel for actinide, lanthanide, and fission product decontamination},

  author       = {Kaminski, Michael D. and Mertz, Carol J.},

  abstractNote = {The present invention provides an aqueous gel composition for removing actinide ions, lanthanide ions, fission product ions, or a combination thereof from a porous surface contaminated therewith. The composition comprises a polymer mixture comprising a gel forming cross-linked polymer and a linear polymer. The linear polymer is present at a concentration that is less than the concentration of the cross-linked polymer. The polymer mixture is at least about 95% hydrated with an aqueous solution comprising about 0.1 to about 3 percent by weight (wt %) of a multi-dentate organic acid chelating agent, and about 0.02 to about 0.6 molar (M) carbonate salt, to form a gel. When applied to a porous surface contaminated with actinide ions, lanthanide ions, and/or other fission product ions, the aqueous gel absorbs contaminating ions from the surface.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2016},

  month        = {6}

}

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