高等学校化学学报

高等学校化学学报 ›› 1984, Vol. 5 ›› Issue (2): 221.

• 论文 • 上一篇    下一篇

乙炔氢氯化均相催化反应动力学和机理的研究——氯化汞、氯化铋复合催化剂体系

郝金库, 张启衍, 陈荣悌   

  1. 南开大学化学系
  • 收稿日期:1982-10-11 出版日期:1984-04-24 发布日期:1984-04-24

A STUDY OF KINETICS AND MECHANISM OF HOMOGENEOUS CATALYTIC HYDROCHLORINATION OF ACETYLENE--A COMPLEX CATALYTIC SYSTEM OF HgCl3-BiCl3

Hao Jinku, Zhang Qiyan, Chen Rongti(Y. T. Chen)   

  1. Department of Chemistry, Nankai University, Tianjin
  • Received:1982-10-11 Online:1984-04-24 Published:1984-04-24

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摘要： 本文研究了在HgCl2-BiCl3复合催化剂作用下,乙炔氢氯化制氯乙烯均相催化反应的动力学,获得该反应速率方程为:r=(k+k'[BiCl3]/[H+])[HgCl2]·[H+]3[CH≡CH].在25℃时k=0.00239,k'=0.0269,根据实验结果,提出了由两个复杂的连串反应组成的平行反应机理,相应的表观活化能为13.4Kcal/mol及14.8Kcal/mol.

Abstract: The kinetics of the reaction of acetylene hydrochlorination in hydro-chloric acid with the complex catalyst HgCl3-BiCl3 has been studied.The results showed that the rate equation of the reaction could be expressed by r=(k+k'[BiCl3]/[H+])[HgCl2]·[H+]3[CH≡CH] with k= 0.00239, k' =0.0269 (at 25℃). Areaction mechanism which includes two parallel reactions composed of some complicated concecutive reactions was proposed. The Corresponding apparent energies of activation are 13,4 Kcal/mol and 14.8 Kcal/mol.

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