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Journal of Materials Science

, Volume 29, Issue 23, pp 6227–6230 | Cite as

Methanation of CO2 on H2-reduced Ni(II)-or Co(II)-bearing ferrites at 200 °C

  • Masamichi Tsuji
  • Hiroyasu Kato
  • Tatsuya Kodama
  • Shih Ger Chang
  • Noriko Hesegawa
  • Yutaka Tamaura
Article

Abstract

The methanation of CO2 gas at 200 °C was investigated in Co(II) or Ni(II)-bearing ferrites with substitution of up to 0.262 and 0.143, respectively. The metal substitution in the ferrite facilitated the methanation of the deposited carbon from CO2 gas in the H2-reduced M(II)-bearing ferrite in comparison with the reactivity of the H2-reduced magnetite with the same spinel structure. The effect on the reactivity of methanation was found to be much larger in Ni(II)-substitution. The degree of the effect increased with increases in the Ni(II)-substitution, while it remained about the same with increases in the Co (II)-substitution. The maximum methanation (86.9%) of CO2 was attained in the Ni(II)-bearing ferrite activated by H2 gas for 3.0 h.

Keywords

Polymer Methanation Ferrite Magnetite Material Processing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • Masamichi Tsuji
    • 1
  • Hiroyasu Kato
    • 1
  • Tatsuya Kodama
    • 1
  • Shih Ger Chang
    • 1
    • 2
  • Noriko Hesegawa
    • 1
  • Yutaka Tamaura
    • 1
  1. 1.Department of Chemistry, Research Center for Carbon Recycling and UtilizationTokyo Institute of TechnologyTokyoJapan
  2. 2.Lawrence Berkeley LaboratoryUniversity of CaliforniaBerkeleyUSA

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