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中文摘要：
以玉米芯／甘油及玉米芯／粗甘油为研究对象，以高纯氩气为载气对两种样品进行热重实验。通过对10℃／min和30℃，min两种升温速率和不同温度下的热重曲线分析发现，两种样品均出现两个失重峰（分别发生在200。220℃和300～328℃之间），这是由样品中生物质的含量不同造成的。样品中杂质改变了H2的析出途径，同一样品中升温速度率不改变H2的析出途径。通过对样品热解的DSC分析，探讨甘油的加入对玉米芯热解途径的影响。最后建立热解动力学模型并对模型进行求解，结果表明样品共热解在低温段属1．0级反应，在高温段属1．5级反应。
英文摘要：
Considering two samples （ corncob/crude glycerin and corncob/glycerin ） as the object of research, the co-pyrolysis of the two samples by thermogravimetry in high purity argon atmosphere was investigated. The thermo- gravimetric curves of two heating rates （10 ℃/min and 30 ℃/min）and different temperatures showed that the two samples all had two peaks in 200-220 ℃and 300-328 ℃, respectively, which was caused by the content of corncob in samples. Impurity in the crude glycerin changed the release vector of hydrogen in pyrolysis, but the heating rate not changed it in the same sample. The analysis of DSC curves helped the research of the impact of the glycerin on the corncob pyrolysis vectors. At the end, this paper provided a dynamics model about the co-pyrolysis, and solved it. The results showed that the co-pyrolysis complied with 1.0 order reaction in lower temperature and 1.5 order reactions in higher temperature.
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