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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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生物质半焦与煤混合气化协同作用的动力学研究
, PP. 943-951
Keywords: 协同作用,生物质半焦,混合气化,动力学
Abstract:
？在热重分析仪上进行了稻秆半焦和神府煤与co2非等温混合气化实验,升温速率20℃/min,终温1200℃。实验结果表明,两种燃料在热解阶段符合加权计算规律,但是在超过800℃的高温气化阶段具有显著的协同作用。与不考虑协同作用的计算结果相比,添加稻秆半焦的煤焦气化反应速率提高,气化反应结束温度降低26℃,最大失重速率提高22%。协同作用的主要原因是稻秆半焦中碱金属具有催化作用,通过动力学分析表明混合气化活化能比煤焦单独气化要低。
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