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《Journal of Zhengzhou University(Engineering Science)》 2012-02
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Kinetic Study on Synthesis of n-Octadecanethiol

ZHANG Ya-dong,PAN Kai-lin,LIANG Zheng-yong (School of Chemical Engineering and Energy,Zhengzhou University,Zhengzhou 450001,China)  
Kinetics for synthesizing n-octadecanethiol from 1-chlorooctadecane and thiourea was studied.The reaction kinetic model of first process was investigated in the condition of homogeneous reaction.It was a first order reaction and the kinetics equation was written as rA=-dcA/dt =4.602×10exp(-13 464.27/T)cA,the activation energy was determined to be 111.95 kJ/mol in the Arrhenius equation,the reaction of synthesizing n-octadecanethiol belonged to control production of chemical reaction because the apparent activation energy was in the range of 40~400 kJ/mol.Finally,the kinetic model was tested and verified by experiments.The example systems demonstrated the validity and rationality of the method.
【Fund】: 河南省高校科技创新人才支持计划资助项目(2010HASTIT037)
【CateGory Index】: TQ227.1
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