LABORATORY DEVELOPMENT OF A TRIBUTYL PHOSPHATE SOLVENT EXTRACTION PROCESS FOR PROCESSING 20% ENRICHED URANIUM ALLOY FUEL | Zendy

J.H. Goode | Zendy; J.R. Flanary | Zendy

Open Access

LABORATORY DEVELOPMENT OF A TRIBUTYL PHOSPHATE SOLVENT EXTRACTION PROCESS FOR PROCESSING 20% ENRICHED URANIUM ALLOY FUEL

Author(s) -

J.H. Goode,

J.R. Flanary

Publication year - 1961

Language(s) - English

Resource type - Reports

DOI - 10.2172/4005061

Subject(s) - tributyl phosphate , extraction (chemistry) , stripping (fiber) , dissolution , uranium , solvent , alloy , phosphate , solvent extraction , chemistry , materials science , purex , process (computing) , nuclear chemistry , chemical engineering , radiochemistry , metallurgy , chromatography , organic chemistry , engineering , computer science , composite material , operating system

A preliminary chemical flowsheet was developed on a laboratory scale for the preparation of feed and two solvent extraction cycles for the processing of Si-containing Al--U alloy, 20% enriched, fuel elements. Major process steps include dissolution of the fuel assembly in Hg-catalyzed ritric acid, removal of silica by coagulation during feed clarification, and recovery of U and pu by extraction with a tributyl phosphate solvent and selective stripping. Criticality control in existing process equipment is maintained by the use of internal neutron poisons and concentration control throughout the process. (auth

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