High efficient production of hydrogen from crude bio-oil via an integrative process between gasification and current-enhanced catalytic steam reforming

Tao Kan, Jiaxing Xiong, Xinglong Li, Tongqi Ye, Lixia Yuan, Youshifumi Torimoto, Mitsuo Yamamoto, Quanxin Li

Research output: Contribution to journalArticlepeer-review

78 Citations (Scopus)

Abstract

High efficient production of hydrogen from the crude bio-oil was performed in the gasification-reforming dual beds. A recently developed electrochemical catalytic reforming method was applied in the downstream reforming bed using NiCuZnAl catalyst. Production of hydrogen from the crude bio-oil through both the single gasification and integrative gasification-reforming processes was investigated. The maximum hydrogen yield of 81.4% with carbon conversion of 87.6% was obtained through the integrative process. Hydrogen is a major product (∼73 vol%) together with by-products of CO₂ (∼26 vol%) as well as very low content of CO (<1%) and a trace amount of CH₄ through the integrative route. In particular, the deactivation of the catalyst was significantly depressed by using the integrative gasification-reforming method, comparing to the direct reforming of the crude bio-oil. The mechanism and evaluation for the downstream electrochemical catalytic reforming were also discussed. The integrative process with higher hydrogen yield and carbon conversion, potentially, would be a useful route to produce hydrogen from the crude bio-oil.
Original languageEnglish
Pages (from-to)518-532
Number of pages15
JournalInternational Journal of Hydrogen Energy
Volume35
Issue number2
DOIs
Publication statusPublished - 2010
Externally publishedYes

Keywords

  • Catalytic steam reforming
  • Crude bio-oil
  • Current
  • Gasification
  • Hydrogen

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