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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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升温速率、气氛与粒径对玉米秸秆热解特性的影响
, PP. 59-64
Keywords: 玉米秸秆,热解,升温速率,气氛,粒径,tg,dtg
Abstract:
为研究升温速率、气氛和粒径对玉米秸秆热解特性的影响规律，在ta？q500型热重分析仪上进行了相应的热解实验。结果表明：随着升温速率的升高，玉米秸秆的热解速率与峰值温度均增大，总体热解反应过程更集中；氮气气氛下，玉米秸秆的热解dtg曲线仅有1个明显的失重峰，而空气气氛下则表现出明显的双峰，且氮气气氛下热解的总失重量小于空气气氛；随着玉米秸秆粒径的增大，热解的初始温度、峰值温度及终止温度均呈增大趋势，同时最大失重速率也略有增大，但变化并不明显。
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