Novel biomass gasification method with high efficiency: Catalytic gasification at low temperature

Mohammad Asadullah, Tomohisa Miyazawa, Shin Ichi Ito, Kimio Kunimori, Muneyoshi Yamada, Keiichi Tomishige

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

The gasification of biomass (wood powder) has been found to proceed completely by the combination of an excellent catalyst (Rh/CeO2/SiO2) with a fluidized bed reactor at 823-973 K. This temperature range is much lower than conventional gasification methods (973-1073 K for catalytic and 1073-1223 K for non-catalytic). The commercial steam reforming catalyst G-91 and dolomite have also been used in this investigation. At 873 K, the carbon conversion on Rh/CeO2/SiO2(60), G-91 and dolomite and in the non-catalyzed gasification is 95, 75, 63 and 44%, respectively. Above 873 K, no tar was formed on Rh/CeO2/SiO2(60), however, a small amount of char (1-5% C-based) was formed. Therefore, the catalyst activity is quite stable during the reaction. Comparison among the catalysts with respect to the carbon conversion and gas, tar and char formation, shows that this novel catalyst exhibited high efficiency.

Original languageEnglish
Pages (from-to)385-389
Number of pages5
JournalGreen Chemistry
Volume4
Issue number4
DOIs
Publication statusPublished - 2002 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution

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