| 四氯乙烷脱氯化氢制三氯乙烯反应的热力学分析 |
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| 引用本文： | 李玲,马清祥,赵天生. 四氯乙烷脱氯化氢制三氯乙烯反应的热力学分析[J]. 宁夏工程技术, 2010, 9(4): 343-344,348 |
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| 作者姓名： | 李玲 马清祥 赵天生 |
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| 作者单位： | [1]宁夏医科大学基础医学院,宁夏银川750004 [2]宁夏大学能源化工重点实验室,宁夏银川750021 |
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| 摘 要： | 利用Benson基团贡献法计算了四氯乙烷脱氯化氢制三氯乙烯反应中部分物质的热力学函数熵Sθ、热容Cp、Gibbs自由能及反应的焓变ΔrHθm、熵变ΔrSθm、Gibbs自由能变ΔrGθm、反应平衡常数Kp及四氯乙烷的平衡转化率.结果表明,反应温度高于460 K时,四氯乙烷脱氯化氢制三氯乙烯反应在热力学上是可行的.
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| 关 键 词： | 四氯乙烷 脱氯化氢 基团贡献 热力学分析 |
Thermodynamic estimation for dehydrochlorination of tetrachloroethane |
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| LI Ling,MA Qingxiang,ZHAO Tiansheng. Thermodynamic estimation for dehydrochlorination of tetrachloroethane[J]. Ningxia Engineering Technology, 2010, 9(4): 343-344,348 |
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| Authors: | LI Ling MA Qingxiang ZHAO Tiansheng |
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| Affiliation: | 1.School of Basic Medicine,Ningxia Medical University,Yinchuan 750004,China;2.Key Laboratory of Energy Resources and Chemical Engineering,Ningxia University,Yinchuan 750021,China) |
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| Abstract: | The standard entropy Sθ,heat capacity Cp,Gibbs free energy,and the change of enthalpy ΔrHθm,entropy ΔrSθm and ΔrGθm,equilibrium constant Kp and equilibrium conversion of the reaction of some compounds related to dehydrochlorination of tetrachloroethane to trichloroethene were calculated by the method of Benson group contribution.The results show that the reaction is thermodynamically feasible when reaction temperature is higher than 460 K. |
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| Keywords: | tetrachloroethane； dehydrochlorination； group contribution； thermodynamics estimation； |
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