Technetium recovery from high alkaline solution

Nash, Charles A.

Title: Technetium recovery from high alkaline solution

Patent · Tue Jul 12 00:00:00 EDT 2016

OSTI ID:1261622

Nash, Charles A.

Disclosed are methods for recovering technetium from a highly alkaline solution. The highly alkaline solution can be a liquid waste solution from a nuclear waste processing system. Methods can include combining the solution with a reductant capable of reducing technetium at the high pH of the solution and adding to or forming in the solution an adsorbent capable of adsorbing the precipitated technetium at the high pH of the solution.

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Research Organization:: Savannah River Site (SRS), Aiken, SC (United States). Savannah River Technology Center (SRTC)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC09-08SR22470

Assignee:: Savannah River Nuclear Solutions, LLC (Aiken, SC)

Patent Number(s):: 9,388,478

Application Number:: 14/576,362

OSTI ID:: 1261622

Resource Relation:: Patent File Date: 2014 Dec 19

Country of Publication:: United States

Language:: English

References (11)

Removal of plutonium and americium from alkaline waste solutions Schulz, Wallace W. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4156646 US Patent Document 4,156,646	patent	May 1979
Precipitation-adsorption process for the decontamination of nuclear waste supernates Lee, Lien; Kilpatrick, Lester L. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4432893 US Patent Document 4,432,893	patent	February 1984
Fixation by ion exchange of toxic materials in a glass matrix Simmons, Catherine J.; Simmons, Joseph H.; Macedo, Pedro B. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4469628 US Patent Document 4,469,628	patent	September 1984
Nuclear waste solutions Walker, Daryl; Ebra, Martha A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4654173 US Patent Document 4,654,173	patent	March 1987
Decontamination of radioactive metals Snyder, Thomas S.; Gass, William R.; Worcester, Samuel A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5156722 US Patent Document 5,156,722	patent	October 1992
Process for extracting technetium from alkaline solutions Moyer, Bruce A.; Sachleben, Richard A.; Bonnesen, Peter V. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5443731 US Patent Document 5,443,731	patent	August 1995
Water-soluble polymers for recovery of metal ions from aqueous streams Smith, Barbara F.; Robison, Thomas W. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5766478 US Patent Document 5,766,478	patent	June 1998
Process for recovering chaotropic anions from an aqueous solution also containing other ions Rogers, Robin D.; Horwitz, E. Philip; Bond, Andrew H. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5888397 US Patent Document 5,888,397	patent	March 1999
Radioactive effluent treatment Jones, Christopher Peter; Fennell, Paul; Fletcher, Patrick https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5894077 US Patent Document 5,894,077	patent	April 1999
Kit for providing a technetium medical radioimaging agent Wildung, Raymond E.; Garland, Thomas R.; Li, Shu-Mei W. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6150155 US Patent Document 6,150,155	patent	November 2000
Somatostatin analogs Dean, Richard T.; Lister-James, John https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6183722 US Patent Document 6,183,722	patent	February 2001

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