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2010•Ningxia Engineering TechnologyRequires access

Thermodynamic estimation for dehydrochlorination of tetrachloroethane

Tiansheng Zhao

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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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What this paper is about

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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Available 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.

Key concepts: Gibbs free energy, Thermodynamics, Enthalpy, Chemistry, Equilibrium constant, Standard enthalpy of reaction, Heat capacity, Standard molar entropy

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