Kinetic mechanism of copper extraction from methylchlorosilane slurry residue using hydrogen peroxide as oxidant

Xiaolin Guo; Zhaoyang Zhang; Pengfei Xing; Shuai Wang; Yibing Guo; Yanxin Zhuang

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Kinetic mechanism of copper extraction from methylchlorosilane slurry residue using hydrogen peroxide as oxidant

Full Length Article | Updated：2026-01-06

- Kinetic mechanism of copper extraction from methylchlorosilane slurry residue using hydrogen peroxide as oxidant
- Kinetic mechanism of copper extraction from methylchlorosilane slurry residue using hydrogen peroxide as oxidant
- 中国化学工程学报（英文版） 2023年60卷第8期页码：228-234
- Affiliations：
  
  1. School of Metallurgy, Northeastern University,Shenyang,China,110819
  2. Ecological Environmental Monitoring Center of Liaoning Province,Shenyang,China,110819
  3. School of Materials Science and Engineering, Northeastern University,Shenyang,China,110819
- Author bio：
- Funds：
- DOI：
  中图分类号：
- 纸质出版：2023
- Accepted：
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Xiaolin Guo, Zhaoyang Zhang, Pengfei Xing, 等. Kinetic mechanism of copper extraction from methylchlorosilane slurry residue using hydrogen peroxide as oxidant[J]. 中国化学工程学报（英文版）, 2023,60(8):228-234.

Xiaolin Guo, Zhaoyang Zhang, Pengfei Xing, Shuai Wang, Yibing Guo, Yanxin Zhuang. Kinetic mechanism of copper extraction from methylchlorosilane slurry residue using hydrogen peroxide as oxidant[J]. Chinese Journal of Chemical Engineering, 2023, 60(8): 228-234.
Xiaolin Guo, Zhaoyang Zhang, Pengfei Xing, 等. Kinetic mechanism of copper extraction from methylchlorosilane slurry residue using hydrogen peroxide as oxidant[J]. 中国化学工程学报（英文版）, 2023,60(8):228-234. DOI：

Xiaolin Guo, Zhaoyang Zhang, Pengfei Xing, Shuai Wang, Yibing Guo, Yanxin Zhuang. Kinetic mechanism of copper extraction from methylchlorosilane slurry residue using hydrogen peroxide as oxidant[J]. Chinese Journal of Chemical Engineering, 2023, 60(8): 228-234. DOI：

摘要

Abstract

Copper was extracted from methylchlorosilane slurry residue by a direct hydrogen peroxide leaching method. A number of experimental parameters were analyzed to determine the extraction efficiency of copper. The extraction efficiency of copper reached 98.5% under the optimal leaching conditions

such as the hydrogen peroxide concentration of 1.875 mol·L

-1

the leaching temperature of 323 K

the liquid-solid ratio of 20 ml·g

-1

and the stirring speed of 300 r?min

-1

. The leaching kinetics of the copper extraction process was then described by the shrinking core model. There were two stages. The first stage was controlled by chemical reactions

while the second stage was controlled by interface transfer and product layer diffusion. The activation energy and kinetic control equations were determined

as well as an explanation of the leaching mechanism of copper extraction based on kinetic analysis and materials characterization. Copper resources can be recovered from the methylchlorosilane slurry residue efficiently and inexpensively with the methods used in this study.

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