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A Comparative Study of Hydroxyapatite‐ and Alumina‐Based Catalysts in Dry Reforming of Methane

Abstract : The dry reforming of methane over hydroxyapatite‐ and alumina/magnesia (commercial Pural MG 30)‐supported nickel catalysts was investigated. The catalytic performance of the catalysts prepared with fresh supports highly depended on the basicity, the metal‐support interaction, and the metal particle size. Calcination of the supports at 1200 °C for 5 h made the catalysts less active because of specific surface area reduction and basicity destruction. However, this treatment allowed avoiding any further catalyst deactivation by thermal sintering and maintained excellent catalytic stability over 300 h of time‐on‐stream. These tests under simulated industrial conditions (high contact time and long time‐on‐stream) showed the competitiveness of the prepared catalysts in this important catalytic process.
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Submitted on : Friday, February 21, 2020 - 9:06:08 PM
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Bruna Rêgo de Vasconcelos, Doan Pham Minh, Emmanuel Martins, Alain Germeau, Patrick Sharrock, et al.. A Comparative Study of Hydroxyapatite‐ and Alumina‐Based Catalysts in Dry Reforming of Methane. Chemical Engineering and Technology, Wiley-VCH Verlag, 2020, 43 (4), pp.698 - 704. ⟨10.1002/ceat.201900461⟩. ⟨hal-02487485⟩

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