Combustion synthesis of oxide materials for nuclear waste immobilization

Muthuraman, M and Dhas, NA and Patil, KC (1994) Combustion synthesis of oxide materials for nuclear waste immobilization. In: Bulletin of materials science, 17 (6). 977 -987 .

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Abstract

Oxide materials like perovskite, zirconolite, hollandite, pyrochlore, NASICON and sphene which are used for nuclear waste immobilization have been prepared by a solution combustion process. The process involves the combustion of stoichiometric amount of corresponding metal nitrates and carbohydrazide/tetraformyl trisazine/diformyl hydrazide at 450 degrees C. The combustion products have been characterized using powder X-ray diffraction, infrared spectroscopy, and Si-29 MAS-NMR. The fine particle nature of the combustion derived powders has been studied using density, particle size, BET surface area measurements and scanning electron microscopy. Sintering of combustion derived powder yields 85-95% dense ceramics in the temperature range 1000 degrees-1300 degrees C.

Item Type:	Journal Article
Publication:	Bulletin of materials science
Publisher:	Indian academy of sciences
Additional Information:	Copyright of this article belongs to Indian academy of sciences.
Keywords:	Combustion synthesis; SYNROC; nuclear waste immobilization
Department/Centre:	Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited:	25 Mar 2011 08:46
Last Modified:	25 Mar 2011 08:46
URI:	http://eprints.iisc.ac.in/id/eprint/36296

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