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OALib Journal期刊
ISSN: 2333-9721
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水城褐煤热解的气体产物析出特征及甲烷的生成反应类型研究
, PP. 7-12
Keywords: 官能团,热解,质谱,甲烷,水城褐煤
Abstract:
？利用傅里叶红外光谱仪研究了煤中主要官能团的分布，利用热重-质谱联用（tg/ms）在10℃/min的条件下研究了水城褐煤的热解行为，获得了煤热解主要挥发分气体（h2、ch4、h2o、co、co2）生成的速率曲线。采用分峰拟合的方法将甲烷的生成速率曲线分解为五个峰，通过化学动力学分析，结合煤的结构特性、热解特性及其他挥发分气体的生成特征，认为甲烷的生成主要由一个脱吸附过程和四个化学反应组成。
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