Synthesis of barium titanium oxide from barium sulphate and anatase: Study of equimolar mixtures under different atmospheres

To enable the ceramization of a barium sulphate-rich radioactive waste the synthesis of barium titanium oxide is studied by using anatase and barium sulphate. As a function of the calcination atmosphere, helium (or air) and Ar H 2 , two reactions are studied. A mechanism of barium titanium oxide syn...

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Bibliographic Details
Published in:Solid state ionics 1997-01, Vol.95 (1), p.151-154
Main Authors: Lebeau, F., Valdivieso, F., Pijolat, M., Thiéblemont, J.C., Baumard, J.F.
Format: Article
Language:English
Subjects:
Applied sciences
Barium titanium oxide
Building materials. Ceramics. Glasses
Ceramic industries
Chemical and Process Engineering
Chemical industry and chemicals
Engineering Sciences
Exact sciences and technology
Miscellaneous
Pollution
Radioactive waste
Radioactive wastes
Synthesis
Technical ceramics
Wastes
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Summary:To enable the ceramization of a barium sulphate-rich radioactive waste the synthesis of barium titanium oxide is studied by using anatase and barium sulphate. As a function of the calcination atmosphere, helium (or air) and Ar H 2 , two reactions are studied. A mechanism of barium titanium oxide synthesis in helium (or in air) is proposed.
ISSN:0167-2738
1872-7689
DOI:10.1016/S0167-2738(96)00575-9