Toward low-temperature coal gasification: Experimental and numerical studies of thermochemical coal conversion considering the interactions between volatiles and char particles

Cheng Yi Li, Li Xin Zhang, Shinji Kudo, Jun Ichiro Hayashi, Koyo Norinaga

研究成果: Contribution to journalReview article査読

4 被引用数 (Scopus)

抄録

A novel triple-bed combined circulating fluidized-bed (TB-CFB) coal gasifier, consisting of a downer (pyrolyzer), a bubbling fluidized bed (gasifier), and a riser (combustor) was proposed for realizing low-temperature coal gasification. Several key thermochemical reactions were extracted from those expected in the downer unit: the reforming of refractory tar in both the gas phase and over the char surface, and the steam gasification of the nascent char. This review highlights our recent progress, both experimental and numerical, in studies of thermochemical coal conversion including the various reaction processes, by employing a drop-tube reactor that well approximates the reaction environment in a downer reactor. This discussion can be utilized in designing TBCFBs and optimizing their operation.

本文言語英語
ページ(範囲)70-79
ページ数10
ジャーナルKONA Powder and Particle Journal
2017
34
DOI
出版ステータス出版済み - 2017

All Science Journal Classification (ASJC) codes

  • 化学 (全般)
  • 化学工学(全般)
  • 材料科学(全般)
  • 工学(全般)

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