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Kinetic study on coal-biomass mixed char co-gasification with H2O in the presence of H-2

机译：H-2存在下煤-生物质混合炭与水共气化的动力学研究

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The coal-biomass mixed char co-gasification with H2O in the presence of H-2 was investigated under atmospheric conditions using a tube furnace and gas analyzer. Various partial pressures of H2O and H-2 were tested within a temperature range of 825-900 degrees C. Bituminous coal, pineapple sawdust, and a mixture of these two having a mass ratio of 1:1 were used to prepare chars. Random pore model was utilized to explain the experimental results. The results demonstrated that the inhibition effect of H-2 on char-H2O gasification can be described using the Langmuir-Hinshelwood (L-H) equation. The inhibition effect on the mixture sample was more intense than on the pure samples. The L-H equation kinetic parameters were acquired and expressed in an Arrhenius equation form to determine the pre-exponential factor and activation energy. (C) 2016 Elsevier Ltd. All rights reserved.
机译：在大气条件下，使用管式炉和气体分析仪研究了在H-2存在下与H2O共气化的煤-生物质混合焦。在825-900摄氏度的温度范围内测试了H2O和H-2的各种分压。使用烟煤，菠萝锯末以及这两种质量比为1：1的混合物制备炭。利用随机孔模型来解释实验结果。结果表明，可以使用Langmuir-Hinshelwood（L-H）方程描述H-2对char-H2O气化的抑制作用。对混合物样品的抑制作用比对纯样品的抑制作用更强。获取L-H方程动力学参数，并以Arrhenius方程形式表示，以确定指数前因子和活化能。 （C）2016 Elsevier Ltd.保留所有权利。

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