The distinctive effects of glucose-derived carbon on the performance of ni-based catalysts in methane dry reforming

U. P.M. Ashik, Shusaku Asano, Shinji Kudo, Doan Pham Minh, Srinivas Appari, Einaga Hisahiro, Jun Ichiro Hayashi

研究成果: ジャーナルへの寄稿記事

抜粋

This study aimed to investigate the effect of carbon derived from glucose (C) on the physicochemical characteristics and catalytic activity of Ni, supported over SiO2, ZSM-5, and TiO2 in methane dry reforming. Among the Ni catalysts without C, Ni/SiO2 exhibited the highest CH4-CO2 conversion and stability at all experimented temperatures. On the other hand, the C-incorporated catalysts prepared by glucose impregnation, followed by pyrolysis, showed dissimilar performances. C improved the stability of Ni/SiO2 in the reforming at 650C and 750C and increased the CH4 and CO2 conversion to the level close to the thermodynamic equilibrium at 850C. However, this element did not substantially affect the activity of Ni/ZSM-5 and exerted a retarding effect on Ni/TiO2. Characterizations with H2-TPD, XRD, EXAFS, and STEM-EDS revealed that the different influences of C by the supports were attributed to the extent of metal dispersion and metal-support interaction.

元の言語英語
記事番号21
ジャーナルCatalysts
10
発行部数1
DOI
出版物ステータス出版済み - 1 2020

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All Science Journal Classification (ASJC) codes

  • Catalysis
  • Physical and Theoretical Chemistry

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