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Title: Recovery of organic extractant from secondary emulsions formed in the extraction of uranium from wet-process phosphoric acid

Abstract

Uranium in wet-process phosphoric acid is extracted with an organic extractant. The pregnant extractant is then centrifuged to separate contaminants from the extractant. Secondary emulsions obtained by separating the contaminants following centrifugation are mixed with water or an acid leaching solution. After mixing, the mixture is centrifuged to separate and recover extractant which is recycled for stripping.

Inventors:
;
Publication Date:
OSTI Identifier:
6800081
Patent Number(s):
US 4424195
Assignee:
UNC Recovery Corp., Mulberry, Fla.
Resource Type:
Patent
Resource Relation:
Patent File Date: Filed date 14 May 1980; Other Information: PAT-APPL-149690
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; ORGANIC SOLVENTS; PURIFICATION; PHOSPHORIC ACID; SOLVENT EXTRACTION; URANIUM; AQUEOUS SOLUTIONS; CENTRIFUGATION; DECONTAMINATION; DESIGN; EMULSIONS; IMPURITIES; LEACHING; MATERIALS RECOVERY; MIXERS; PROCESS SOLUTIONS; RECYCLING; ACTINIDES; CLEANING; COLLOIDS; DISPERSIONS; DISSOLUTION; ELEMENTS; EXTRACTION; HYDROGEN COMPOUNDS; INORGANIC ACIDS; MANAGEMENT; METALS; MIXTURES; PROCESSING; RECOVERY; SEPARATION PROCESSES; SOLUTIONS; SOLVENTS; WASTE MANAGEMENT; WASTE PROCESSING; 050400* - Nuclear Fuels- Feed Processing

Citation Formats

Korchnak, J D, and Fett, R H.G. Recovery of organic extractant from secondary emulsions formed in the extraction of uranium from wet-process phosphoric acid. United States: N. p., 1984. Web.
Korchnak, J D, & Fett, R H.G. Recovery of organic extractant from secondary emulsions formed in the extraction of uranium from wet-process phosphoric acid. United States.
Korchnak, J D, and Fett, R H.G. 1984. "Recovery of organic extractant from secondary emulsions formed in the extraction of uranium from wet-process phosphoric acid". United States.
@article{osti_6800081,
title = {Recovery of organic extractant from secondary emulsions formed in the extraction of uranium from wet-process phosphoric acid},
author = {Korchnak, J D and Fett, R H.G.},
abstractNote = {Uranium in wet-process phosphoric acid is extracted with an organic extractant. The pregnant extractant is then centrifuged to separate contaminants from the extractant. Secondary emulsions obtained by separating the contaminants following centrifugation are mixed with water or an acid leaching solution. After mixing, the mixture is centrifuged to separate and recover extractant which is recycled for stripping.},
doi = {},
url = {https://www.osti.gov/biblio/6800081}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 03 00:00:00 EST 1984},
month = {Tue Jan 03 00:00:00 EST 1984}
}