Evaluation of consequence due to higher hydrazine content in partitioning stream of PUREX process

Author:

Kumar K. Suresh1

Affiliation:

1. Special Nuclear Recycle Facility, Nuclear Recycle Board, Bhabha Atomic Research Centre, Mumbai, 400085, India

Abstract

Abstract Hydrazine nitrate is being used as a stabilizer for U(IV) as well as Pu(III) during partitioning of Pu in PUREX process by scavenging the nitrous acid present along with nitric acid. As hydrazine hydrate as well as its salts have been successfully used for scrubbing of degradation products of TBP to aqueous phase, experiments were conducted to evaluate the consequence of hydrazine content during Pu partitioning. It was observed that higher amount of hydrazine nitrate along with uranous nitrate in the partitioning stream of PUREX process leads to build up of DBP in aqueous phase and resulted in precipitation of Pu.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry

Reference14 articles.

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3. V. I. Marchenko, V. S. Koltonov, K.N. Dvoeglazov, Kinetics and Mechanisms of Redox Reactions of U, Pu, and Np in Tributyl Phosphate Solutions, Radiochemistry, 52(2), 111–126 (2010).

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