Immobilization of Radioactive Wastes into CaTiO3 Synroc by the SHS Method

Abstract:

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This paper researched the fabrication of perovskite (CaTiO3) synroc by self-propagating high temperature synthesis (SHS) and the characterization of the products. This synthesis process is simpler, the fabricated synroc can immobilize waste loading up to wt( 35%) SrO with satisfied physical properties (density>4.2 g•cm-3, open porosity<0.2%). The microstructure analyses by XRD and SEM/EDS show that the major phase is perovskite which well agrees with the design. It proves that SHS offer a suitable Sr-waste synroc which is favorable for geological disposal.

Info:

Periodical:

Advanced Materials Research (Volumes 152-153)

Edited by:

Zhengyi Jiang, Jingtao Han and Xianghua Liu

Pages:

315-319

DOI:

10.4028/www.scientific.net/AMR.152-153.315

Citation:

R. Z. Zhang et al., "Immobilization of Radioactive Wastes into CaTiO3 Synroc by the SHS Method", Advanced Materials Research, Vols. 152-153, pp. 315-319, 2011

Online since:

October 2010

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Price:

$35.00

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