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Raney-Nickel Catalyst Deactivation in Supercritical Water Gasification of Ethanol Fermentation Stillage and its Mitigation

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Abstract

Major cause of a Raney-Ni catalyst deactivation in supercritical water gasification of ethanol fermentation stillage, a model feedstock for proteinaceous biomass, was identified to be its oxidation. Ways to circumvent catalyst oxidation during the reaction were devised and implemented, resulting in a life of Raney-Ni catalyst, originally deactivated to minimal activity within 14 h, to maintain around 55 % carbon conversion after 180 h of operation.

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Authors and Affiliations

  1. Clean Energy Research Center, University of Yamanashi, 4-3-11 Takeda, Kofu, 400-8511, Japan

    Hung Thanh Nguyen, Haimeng Lu & Masaharu Komiyama

  2. Technical R&D Laboratory, Nisso Engineering Co., Ltd, 47 Goiminamikaigan, Ichihara, 290-0045, Japan

    Eiichiro Kobayashi & Takahiro Ishikawa

Authors
  1. Hung Thanh Nguyen
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  2. Haimeng Lu
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  3. Eiichiro Kobayashi
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  4. Takahiro Ishikawa
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  5. Masaharu Komiyama
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Corresponding author

Correspondence to Masaharu Komiyama.

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Nguyen, H.T., Lu, H., Kobayashi, E. et al. Raney-Nickel Catalyst Deactivation in Supercritical Water Gasification of Ethanol Fermentation Stillage and its Mitigation. Top Catal 57, 1078–1084 (2014). https://doi.org/10.1007/s11244-014-0272-x

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  • DOI: https://doi.org/10.1007/s11244-014-0272-x

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