Apparent Kinetics for Electrosynthesis Process of Chromic Acid

高等学校化学研究 ›› 2009, Vol. 25 ›› Issue (4): 532-536.

Apparent Kinetics for Electrosynthesis Process of Chromic Acid

LI Cheng-wei^1,2, WANG Fu-an^2*, QI Tao³, WANG Rui-lin¹, TANG Xiao-hong¹ and ZHANG Yong-qiang¹

1. Department of Chemistry, Henan Institute of Education, Zhengzhou 450014, P. R. China;
2. College of Chemical Engineering, Zhengzhou University, Zhengzhou 450002, P. R. China;
3. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, P. R. China

收稿日期:2008-10-27 修回日期:2008-11-17 出版日期:2009-07-25 发布日期:2009-10-16
通讯作者: WANG Fu-an. E-mail: fuanwang@371.net
基金资助:
Supported by the National Natural Science Foundation of China(No.20676136).

Apparent Kinetics for Electrosynthesis Process of Chromic Acid

LI Cheng-wei^1,2, WANG Fu-an^2*, QI Tao³, WANG Rui-lin¹, TANG Xiao-hong¹ and ZHANG Yong-qiang¹

1. Department of Chemistry, Henan Institute of Education, Zhengzhou 450014, P. R. China;
2. College of Chemical Engineering, Zhengzhou University, Zhengzhou 450002, P. R. China;
3. Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, P. R. China

Received:2008-10-27 Revised:2008-11-17 Online:2009-07-25 Published:2009-10-16
Contact: WANG Fu-an. E-mail: fuanwang@371.net
Supported by:
Supported by the National Natural Science Foundation of China(No.20676136).

摘要/Abstract

Abstract:

A new green technique for producing chromic acid via an electrosynthesis method was studied. The kinetic experiments were carried out on the direct electrosynthesis reaction of chromic acid from sodium dichromate in a self-made electrosynthesis reactor with a multiple-unit metal oxides combination anode, a stainless steel cathode, and a reinforcing combination Nafion^®324 cation exchange membrane. The apparent kinetic data were experimentally measured at different reaction time under different reaction conditions by relating many essential cell processes and their interaction, as well as their synergistic effect to the whole electrochemical synthesis process. The results show that the electrosynthesis reaction process follows a quasi-first-order reaction kinetic characteristic. The apparent kinetic model of the electrosynthesis reaction was established, and kinetic parameters were calculated.

Key words: Apparent kinetics; Chromic acid; Electrosynthesis method; Kinetic model

LI Cheng-wei, WANG Fu-an*, QI Tao, WANG Rui-lin, TANG Xiao-hong, ....... Apparent Kinetics for Electrosynthesis Process of Chromic Acid[J]. 高等学校化学研究, 2009, 25(4): 532-536.

LI Cheng-wei, WANG Fu-an*, QI Tao, WANG Rui-lin, TANG Xiao-hong, ....... Apparent Kinetics for Electrosynthesis Process of Chromic Acid[J]. Chemical Research in Chinese Universities, 2009, 25(4): 532-536.

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Apparent Kinetics for Electrosynthesis Process of Chromic Acid

Apparent Kinetics for Electrosynthesis Process of Chromic Acid

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