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  Sintering of synthetic barytocalcite BaCa(CO3)2, kutnahorite CaMn(CO3)2 and rhodochrosite MnCO3 for carbon-14 sequestration

Massoni, N., Le Gallet, S., Hoffmann, S., Launeau, P., Grin, Y., & Bernard, F. (2015). Sintering of synthetic barytocalcite BaCa(CO3)2, kutnahorite CaMn(CO3)2 and rhodochrosite MnCO3 for carbon-14 sequestration. Journal of the European Ceramic Society, 35(1), 297-308. doi:10.1016/j.jeurceramsoc.2014.08.002.

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 Creators:
Massoni, Nicolas1, Author
Le Gallet, Sophie1, Author
Hoffmann, Stefan2, Author              
Launeau, Patrick1, Author
Grin, Yuri3, Author              
Bernard, Frederic1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
3Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Abstract: This paper reports the sintering behavior of synthetic inorganic carbonates chemically identical to barytocalcite (BaCa(CO3)(2), 8.1 wt.% C), kutnahorite (CaMn(CO3)(2), 11.1 mass% C) and rhodochrosite (MnCO3, 10.5 wt.% C) for C-14 immobilization. As carbonates are time temperature dependently subjected to decarbonation due to the loss of carbon dioxide, spark plasma sintering (SPS) appeared to be the most suitable method for the study. It was shown that densification and decarbonation are overlapping phenomena for kutnahorite and rhodochrosite, lowering the carbon final content, whereas barytocalcite was successfully densified without carbon loss. Barytocalcite pellets of 30 mm diameter with a relative density of 92% and a carbon content of 7.78 +/- 0.28 wt.% were obtained. The study highlighted the role of sintering pressure in carbon dioxide volatilization. (C) 2014 Elsevier Ltd. All rights reserved.

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Language(s): eng - English
 Dates: 2015-01-032015-01-03
 Publication Status: Published in print
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Title: Journal of the European Ceramic Society
  Abbreviation : J. Eur. Ceram. Soc.
Source Genre: Journal
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Publ. Info: Barking, Essex, England : Elsevier
Pages: - Volume / Issue: 35 (1) Sequence Number: - Start / End Page: 297 - 308 Identifier: ISSN: 0955-2219
CoNE: https://pure.mpg.de/cone/journals/resource/958480280160