Low-temperature catalytic conversion of lignite: 1. Steam gasification using potassium carbonate supported on perovskite oxide

Young Kwang Kim, Joo Il Park, Doohwan Jung, Jin Miyawaki, Seong Ho Yoon, Isao Mochida

研究成果: ジャーナルへの寄稿学術誌査読

23 被引用数 (Scopus)

抄録

The catalytic conversion of alkali metal carbonate (K2CO3) catalyst supported on perovskite oxide was carefully examined as an effective catalyst for low-temperature catalytic gasification of lignite. It showed much higher activity than K2CO3 alone as well as K2CO3 supported on γ-alumina under gasification conditions below 800°C. Furthermore, catalyzed syngas had higher H2 and lower CO2 ratios than non-catalyzed syngas. Promisingly, there was also much less tar formation, less than 50wt.% compared to non-catalyzed gasification. Also, less loss of K2CO3 and no coke formation on the catalyst surface were confirmed, comparing to the catalytic gasification with K2CO3 supported on γ-alumina.

本文言語英語
ページ(範囲)216-221
ページ数6
ジャーナルJournal of Industrial and Engineering Chemistry
20
1
DOI
出版ステータス出版済み - 1月 25 2014

!!!All Science Journal Classification (ASJC) codes

  • 化学工学一般

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