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A Comparison of Consolidation Routes for Halide Containing Wastes

Published online by Cambridge University Press:  27 March 2012

Phillip M. Mallinson
Affiliation:
Materials Science Research Division, AWE, Aldermaston, Berkshire RG7 4PR. UK
Shirley K. Fong
Affiliation:
Materials Science Research Division, AWE, Aldermaston, Berkshire RG7 4PR. UK
Eric R. Vance
Affiliation:
ANSTO, Kirrawee DC, NSW 2232. Australia
James D. Phillips
Affiliation:
Department of Materials, Imperial College, London SW7 2AZ. UK
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Abstract

Research has been carried out to optimize the consolidation stage for the immobilization of pyrochemical wastes with a sodium aluminophosphate glass. The alternative techniques of hot pressing and hot isostatic pressing of the calcined wastes with the glass have been investigated. This has been performed on simulant waste material and the products investigated by scanning electron microscopy and X‑ray diffraction. The consolidation techniques were compared to each other and to the original process for suitability as a waste-form.

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Copyright
Copyright © Materials Research Society 2012

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