Selective extraction of metal ions with polymeric extractants by ion exchange/redox

Title: Selective extraction of metal ions with polymeric extractants by ion exchange/redox

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Abstract

The specification discloses a method for the extraction of metal ions having a reduction potential of above about +0.3 from an aqueous solution. The method includes contacting the aqueous solution with a polymeric extractant having primary phosphinic acid groups, secondary phosphine oxide groups, or both phosphinic acid and phosphine oxide groups.

Inventors:

Alexandratos, Spiro D ^[1]

Knoxville, TN

Issue Date:: 1987-01-01

Research Org.:: Univ. of Tennessee, Knoxville, TN (United States)

OSTI Identifier:: 866247

Patent Number(s):: 4664700

Assignee:: University of Tennessee Research Corporation (Knoxville, TN)

Patent Classifications (CPCs):: C - CHEMISTRY C22 - METALLURGY C22B - PRODUCTION AND REFINING OF METALS

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

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C - CHEMISTRY C22 - METALLURGY C22B - PRODUCTION AND REFINING OF METALS
C22B3/42 - by ion-exchange extraction

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C01G7/003 - {Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange}

C - CHEMISTRY C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F1/70 - by reduction {

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
B01J39/12 - Compounds containing phosphorus

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S423/14 - Ion exchange

C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C01G5/003 - {Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange}
C01G13/003 - {Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange}

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:: AS05-83ER13113

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: selective; extraction; metal; polymeric; extractants; exchange; redox; specification; discloses; method; reduction; potential; aqueous; solution; contacting; extractant; primary; phosphinic; acid; secondary; phosphine; oxide; phosphine oxide; aqueous solution; specification discloses; reduction potential; phosphinic acid; /210/423/521/

Citation Formats


                    Alexandratos, Spiro D. Selective extraction of metal ions with polymeric extractants by ion exchange/redox.  United States: N. p., 1987. 
        Web.

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                    Alexandratos, Spiro D. Selective extraction of metal ions with polymeric extractants by ion exchange/redox.  United States.

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                    Alexandratos, Spiro D. Thu .  
        "Selective extraction of metal ions with polymeric extractants by ion exchange/redox".  United States.  https://www.osti.gov/servlets/purl/866247.

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@article{osti_866247,

  title        = {Selective extraction of metal ions with polymeric extractants by ion exchange/redox},

  author       = {Alexandratos, Spiro D},

  abstractNote = {The specification discloses a method for the extraction of metal ions having a reduction potential of above about +0.3 from an aqueous solution. The method includes contacting the aqueous solution with a polymeric extractant having primary phosphinic acid groups, secondary phosphine oxide groups, or both phosphinic acid and phosphine oxide groups.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1987},

  month        = {1}

}

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