Biomass catalytic gasification in a fluidized-bed to produce hydrogen rich gas

Pengmei Lu, Jie Chang, Yan Fu, Tiejun Wang, Chuangzhi Wu, Yong Chen, Jingxu Zhu

Research output: Journal PublicationArticlepeer-review

13 Citations (Scopus)


The characteristics of hydrogen yield from biomass are investigated using dolomite in the fluidized-bed gasifier and nickel-based catalysts in the outlet of fixed bed reactor. Some calcined dolomite is placed initially in the gasifier with an amount of 120 g/(kg·h-1) biomass. To replace the eroded and elutriated dolomite, calcined dolomite (0.3-0.45 mm) is continuously fed and its feeding rate is determined by preliminary test. The influence of the operating conditions in the catalytic reactor on the production of gases, especially H2 is studied over the temperature range of 650-850°C, for weight hourly space velocity (WHSV) in the range of 2.68-10.72 h-1. In the gaseous product, the average content of H2 exceeds over 50 vol%; C2 content is lowered to below 1 vol% and nearly half of CH4 is converted after the catalytic reactor. Over the ranges of experimental conditions examined, the highest gas yield reaches 3.31 Nm3/kg biomass, wet basis; the maximum hydrogen yield gets to 130.28 g H2/kg biomass, wet basis. This system shows a good performance over a lifetime test of 350 minutes.

Original languageEnglish
Pages (from-to)769-775
Number of pages7
JournalTaiyangneng Xuebao/Acta Energiae Solaris Sinica
Issue number6
Publication statusPublished - Dec 2004
Externally publishedYes


  • Biomass
  • Catalytic gasification
  • Hydrogen production

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology


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