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Synthesis of Sodium Cerium Sulfate (NaCe(SO4)2·H2O) from Cerium Oxide in Sulfuric Acid Solutions

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Zero-Carbon Energy Kyoto 2011

Part of the book series: Green Energy and Technology ((GREEN))

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Abstract

The synthesis of sodium cerium oxide (NaCe(SO4)2·H2O) from cerium oxide (CeO2) in sulfuric acid solutions with addition of Na2SO4 was examined at elevated temperatures using a batch-type glass reactor under atmospheric pressure. Na2SO4 concentration, sulfuric acid concentration and reaction temperature were chosen for the factors, and the effect of three factors on conversion of CeO2 into NaCe(SO4)2·H2O in sulfuric acid solutions was investigated. The conversion includes two chemical reactions; CeO2 dissolution and NaCe(SO4)2·H2O precipitation. It was found that the increase of Na2SO4 concentrations and sulfuric acid decreased the conversion rate, whereas the conversion rate increased with increasing reaction temperature.

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Acknowledgement

This work was partly supported by an “Energy Science in the Age of Global Warming” of Global Center of Excellence (G-COE) program (J-051) of the Ministry of Education, Culture, Sports, Science and Technology of Japan.

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Authors and Affiliations

  1. Department of Energy Science and Technology, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto, 611-0011, Japan

    Namil Um & Tetsuji Hirato

Authors
  1. Namil Um
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  2. Tetsuji Hirato
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Corresponding author

Correspondence to Tetsuji Hirato .

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Editors and Affiliations

  1. Steering Committee of GCOE Unit for Energy Science Education, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto, 606-8501, Japan

    Takeshi Yao (Program Leader Professor of the Graduate School of Energy Science) (Program Leader Professor of the Graduate School of Energy Science)

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Um, N., Hirato, T. (2012). Synthesis of Sodium Cerium Sulfate (NaCe(SO4)2·H2O) from Cerium Oxide in Sulfuric Acid Solutions. In: Yao, T. (eds) Zero-Carbon Energy Kyoto 2011. Green Energy and Technology. Springer, Tokyo. https://doi.org/10.1007/978-4-431-54067-0_20

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  • DOI: https://doi.org/10.1007/978-4-431-54067-0_20

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-54066-3

  • Online ISBN: 978-4-431-54067-0

  • eBook Packages: EngineeringEngineering (R0)

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