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Thermochemical Conditioning of Radioactive Waste: Structure and Properties of Final Processed Product

[+] Author Affiliations
Olga K. Karlina, Galina A. Varlakova, Sergei A. Dmitriev

State Unitary Enterprise SIA “Radon”, Moscow, Russia

Michael I. Ojovan

ISL University of Sheffield, Sheffield, UK

Valery V. Poluektov, Vladislav A. Petrov

IGEM Russian Academy of Science

Paper No. ICEM2003-4560, pp. 543-546; 4 pages
  • ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation
  • 9th ASME International Conference on Radioactive Waste Management and Environmental Remediation: Volumes 1, 2, and 3
  • Oxford, England, September 21–25, 2003
  • Conference Sponsors: Nuclear Engineering Division and Environmental Engineering Division
  • ISBN: 0-7918-3732-7 | eISBN: 0-7918-3731-9
  • Copyright © 2003 by ASME


Thermochemical processing method is based on utilization of energy of chemical reactions between components of special exothermic mixtures (termed heat base) to melt radioactive waste and form a vitreous melt after cooling of which a durable monolith product is formed in which radionuclides are fixed. Compositions were studied, structure and properties of final products of thermochemical treatment of ash residue from incineration of solid radioactive waste, spent inorganic ion exchangers (e.g. clinoptililite and silica gel), contaminated clay and sand-based soils, Investigations showed that matrix material is dominantly amorphous and on compliesis to basic requirements to solidified radioactive wast of medium level of activity.

Copyright © 2003 by ASME



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