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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Thermal behavior and general distributed activation energy model kinetics of Lignite-Chinese herb residues blends during co-pyrolysis
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Thermal behavior and general distributed activation energy model kinetics of Lignite-Chinese herb residues blends during co-pyrolysis

机译：褐煤 - 中草药残留在共热分解期间的热行为和一般分布式激活能量模型动力学

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摘要

In this work, the pyrolysis behavior of lignite, Chinese herb residues (CHR) and their blends were explored by thermogravimetric analysis. The co-pyrolysis improved the pyrolysis characteristic of lignite, leading to an increment of index D. Analysis results showed that 30%-50% of CHR add ratio was the appropriate choice for copyrolysis with lignite. It was clarified that synergetic effects between lignite with CHR occurred during the copyrolysis treatment. And the promoting effects were dominated at 240 degrees C to 310 degrees C, while it turned to inhibiting effects at 315 degrees C to 355 degrees C. The pyrolysis kinetic evolution was adapted by a new general distributed activation energy model with four pseudo-components. The simulation results demonstrated an excellent match with the adjusted coefficients R-adj(2) over 99.97%. In addition, G-DAEM further considered A-E kinetic compensatory effect. The outcomes enriched the applicability of this model in thermal process of other fuels.
机译：在这项工作中，通过热重分析探索了褐煤，中草药残留物（CHR）及其混合物的热解作业。共热分解改善了褐煤的热解特征，导致指数D的增量。分析结果表明，30％-50％的Chl增量比是用褐煤的合适选择。澄清了褐煤与CHRIN的褐煤之间的协同作用。促进效果在240℃至310℃下以310℃占据主导，而在315℃至355摄氏度下变为抑制效果。热解动力学进化由具有四个伪组分的新的一般分布式激活能量模型适应。仿真结果表明，随着调整的系数R-adj（2）超过99.97％，呈现出优异的匹配。此外，G-DAEM进一步考虑了A-E的动力学补偿效果。结果富集了该模型在其他燃料的热处理中的适用性。

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