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KOH活化动力学及活化机理初探

THE STUDY ON KINETIC PARAMETERS OF KOH ACTIVATION AND REACTION MECHANISM

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【作者】 乔文明查庆芳刘朗

【Author】 Qiao Wenming;Zha Qingfang;Liu Lang(Shanxi Institute of Coal Chemistry,Chinese Academy of Sciences)

【机构】 中科院山西煤化所

【摘要】 本文研究了KOH对氧化沥青的活化反应动力学参数,得出了KOH与炭质材料作用的阿累尼乌斯方程,K=845.S6e ̄(-40·49/RT),并对KOH活化机理进行了初步分析和探索,提出了可能的反应方程式。

【Abstract】 Abstract In this paper,kinetic parameters of potassium hydroxide(KOH) activation were studied and reaction mechanism was preliminarily discussed and equations of activation reaction were put forward.The Arrhenius equation of KOH activation was LnK=6.74-4.87×103/T and the Ea was 40.49kJ/mol.The content of oxygen-containing in activation material had more effect on the activation results thanks to the production of organometelric compounds (R-OK and R-COOK, R Stands for aryl) adding active site of carbonaceous material The reaction equation between KOH and carbon was suggested:4 KOH+C-→K2CO3+K2O+2H2

  • 【分类号】TQ424.1
  • 【被引频次】48
  • 【下载频次】607
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