The influence of transition metals on the thermal decomposition of calcium carbonate in hydrogen

The influence of coprecipitated transition metals on the thermal decomposition of CaCO 3 in hydrogen was investigated for the 3d metals Fe, Ni, Co and Cu and the 4d metals Ru, Rh, Pd and Ag. A correlation between the decomposition temperature and the distribution of the volatile products CO 2, CO an...

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Bibliographic Details
Published in:Materials research bulletin 1990-10, Vol.25 (10), p.1299-1305
Main Authors: Padeste, C., Reller, A., Oswald, H.R.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Physics
Thermal properties of condensed matter
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Summary:The influence of coprecipitated transition metals on the thermal decomposition of CaCO 3 in hydrogen was investigated for the 3d metals Fe, Ni, Co and Cu and the 4d metals Ru, Rh, Pd and Ag. A correlation between the decomposition temperature and the distribution of the volatile products CO 2, CO and CH 4 was found, which could be interpreted by the thermodynamics of the different reactions and the catalytic activity of the transition metals.
ISSN:0025-5408
1873-4227
DOI:10.1016/0025-5408(90)90088-J