Effects of char chemical structure and AAEM retention in char during the gasification at 900 °C on the changes in low-temperature char-O₂ reactivity for Collie sub-bituminous coal

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• 作者：Tingting Li ; Lei Zhang ; Li Dong ; Shuai Wang ; Yao Song ; Liping Wu ; Chun-Zhu Li ; ^{chun-zhu.li@curtin.edu.au}
• 关键词：Char structure ; AAEM species ; Collie sub-bituminous coal ; FT-Raman spectroscopy ; Gasification ; Reactivity
• 刊名：Fuel
• 出版年：2017
• 出版时间：1 May 2017
• 年：2017
• 卷：195
• 期：Complete
• 页码：253-259
• 全文大小：1750 K
• 卷排序：195

文摘

This study investigates the low-temperature char-O2 reactivity of a sub-bituminous coal. The Raman-sensitive O-containing structures improve the retention of AAEM species during gasification. The relative ratio of small to large rings in char greatly affects the char-O2 reactivity.