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Title: Electrochemical Methods for Reprocessing Defective Fuel Elements and for Decontaminating Equipment

Abstract

Reprocessing of fuel elements receives much consideration in nuclear engineering. Chemical and electrochemical methods are used for the purpose. For difficultly soluble materials based on zirconium alloys chemical methods are not suitable. Chemical reprocessing of defective or irradiated fuel elements requires special methods for their decladding because the dissolution of the clad material in nitric acid is either impossible (stainless steel, Zr alloys) or quite slow (aluminium). Fuel elements are cut in air-tight glove-boxes equipped with a dust collector and a feeder for crushed material. Chemical treatment is not free from limitations. For this reason we started a study of the feasibility of electrochemical methods for reprocessing defective and irradiated fuel elements. A simplified electrochemical technology developed makes it possible to recover expensive materials which were earlier wasted or required multi-step treatment. The method and an electrochemical cell are suitable for essentially complete dissolution of any fuel elements, specifically those made of materials which are difficultly soluble by chemical methods.

Authors:
; ;
Publication Date:
Research Org.:
The Federal State Unitarian Enterprise A.A.Bochvar All Russian Research Institute of Inorganic Materials P.O. Box 369 Moscow (RU)
Sponsoring Org.:
none (US)
OSTI Identifier:
828965
Resource Type:
Conference
Resource Relation:
Conference: Waste Management 2002 Symposium, Tucson, AZ (US), 02/24/2002--02/28/2002; Other Information: PBD: 27 Feb 2002
Country of Publication:
United States
Language:
English
Subject:
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS; 12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 36 MATERIALS SCIENCE; ALLOYS; ALUMINIUM; DECLADDING; DISSOLUTION; DUST COLLECTORS; ELECTROCHEMICAL CELLS; FUEL ELEMENTS; NITRIC ACID; NUCLEAR ENGINEERING; REPROCESSING; SPENT FUEL ELEMENTS; WASTE MANAGEMENT; ZIRCONIUM ALLOYS

Citation Formats

Mikheykin, S. V., Rybakov, K. A., and Simonov, V. P. Electrochemical Methods for Reprocessing Defective Fuel Elements and for Decontaminating Equipment. United States: N. p., 2002. Web.
Mikheykin, S. V., Rybakov, K. A., & Simonov, V. P. Electrochemical Methods for Reprocessing Defective Fuel Elements and for Decontaminating Equipment. United States.
Mikheykin, S. V., Rybakov, K. A., and Simonov, V. P. Wed . "Electrochemical Methods for Reprocessing Defective Fuel Elements and for Decontaminating Equipment". United States. https://www.osti.gov/servlets/purl/828965.
@article{osti_828965,
title = {Electrochemical Methods for Reprocessing Defective Fuel Elements and for Decontaminating Equipment},
author = {Mikheykin, S. V. and Rybakov, K. A. and Simonov, V. P.},
abstractNote = {Reprocessing of fuel elements receives much consideration in nuclear engineering. Chemical and electrochemical methods are used for the purpose. For difficultly soluble materials based on zirconium alloys chemical methods are not suitable. Chemical reprocessing of defective or irradiated fuel elements requires special methods for their decladding because the dissolution of the clad material in nitric acid is either impossible (stainless steel, Zr alloys) or quite slow (aluminium). Fuel elements are cut in air-tight glove-boxes equipped with a dust collector and a feeder for crushed material. Chemical treatment is not free from limitations. For this reason we started a study of the feasibility of electrochemical methods for reprocessing defective and irradiated fuel elements. A simplified electrochemical technology developed makes it possible to recover expensive materials which were earlier wasted or required multi-step treatment. The method and an electrochemical cell are suitable for essentially complete dissolution of any fuel elements, specifically those made of materials which are difficultly soluble by chemical methods.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {2}
}

Conference:
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