Method of precipitating uranium from an aqueous solution and/or sediment

Tokunaga, Tetsu K; Kim, Yongman; Wan, Jiamin

Title: Method of precipitating uranium from an aqueous solution and/or sediment

Patent · Tue Aug 20 00:00:00 EDT 2013

OSTI ID:1092955

Tokunaga, Tetsu K; Kim, Yongman; Wan, Jiamin

A method for precipitating uranium from an aqueous solution and/or sediment comprising uranium and/or vanadium is presented. The method includes precipitating uranium as a uranyl vanadate through mixing an aqueous solution and/or sediment comprising uranium and/or vanadium and a solution comprising a monovalent or divalent cation to form the corresponding cation uranyl vanadate precipitate. The method also provides a pathway for extraction of uranium and vanadium from an aqueous solution and/or sediment.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-05CH11231

Assignee:: U.S. Department of Energy (Washington, DC)

Patent Number(s):: 8,512,572

Application Number:: 12/764,077

OSTI ID:: 1092955

Country of Publication:: United States

Language:: English

References (6)

Two stage selective oxidative leach method to separately recover uranium and refractory uranium-mineral complexes Tsui, Ting https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4438077 US Patent Document 4,438,077	patent	March 1984
Uranium-Vanadium Recovery and Separation by Phosphate Precipitation Arendale, William F.; Coleman, Charles F. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/2797143 US Patent Document 2797143	patent	June 1957
In-situ restoration of contaminated soils and groundwater using calcium chloride Grant, David C.; Mancuso, Carmine M.; Burgman, Herbert A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5275739 US Patent Document 5,275,739	patent	January 1994
Processing of Uranium Ores Koble, Robert A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/2979378 US Patent Document 2979378	patent	April 1961
Removal of uranium from aqueous HF solutions Pulley, Howard; Seltzer, Steven https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4234555 US Patent Document 4,234,555	patent	November 1980
Recovery of Uranium from Phosphoric Acid Kaufman, David https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/2789879 US Patent Document 2789879	patent	April 1957

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