Influence of Heating Rates on Char-CO2 Gasification Reactivity at Elevated Temperature
Author(s): LI Peng, YU Qing-bo, QIN Qin, DU Wen-ya
Pages: 1309-1312
Year: 2010 Issue: 9
Journal: Journal of Northeastern University(Natural Science)
Abstract: 利用STA409PC综合热分析仪以程序升温法来研究煤焦-CO2气化反应,主要考察了高温下升温速率对煤焦气化反应性的影响,并用Ozawa法和单一升温速率法对其动力学参数进行了求算.实验结果表明:升温速率对煤焦气化反应有明显影响,升温速率越大,相同时间内,煤焦的碳转化率越高,但是其升温速率存在一上限值,而且这一上限值随煤种的不同而不同;随升温速率的增大,DTG曲线向高温方向移动,峰值温度和最大反应速率...
Pages: 1309-1312
Year: 2010 Issue: 9
Journal: Journal of Northeastern University(Natural Science)
Abstract: 利用STA409PC综合热分析仪以程序升温法来研究煤焦-CO2气化反应,主要考察了高温下升温速率对煤焦气化反应性的影响,并用Ozawa法和单一升温速率法对其动力学参数进行了求算.实验结果表明:升温速率对煤焦气化反应有明显影响,升温速率越大,相同时间内,煤焦的碳转化率越高,但是其升温速率存在一上限值,而且这一上限值随煤种的不同而不同;随升温速率的增大,DTG曲线向高温方向移动,峰值温度和最大反应速率...
Citations
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