Electrochemical behaviors of anode materials and their performance for bauxite desulfurization

Yingnan Hu; Aijing Lü; Mingyong Wang; Dong Wang; Junhao Liu; Zhi Wang; Xuzhong Gong

doi:10.1016/j.cjche.2018.04.028

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Electrochemical behaviors of anode materials and their performance for bauxite desulfurization

Separation Science and Engineering | Updated：2026-01-06

- Electrochemical behaviors of anode materials and their performance for bauxite desulfurization
- Chinese Journal of Chemical Engineering Vol. 27, Issue 4, Pages: 802-810(2019)
- Affiliations：
  
  1. National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences,Beijing,China,100190
  2. University of Chinese Academy of Sciences,Beijing,China,100049
  3. State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing,Beijing,China,100083
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.04.028
  CLC：
- Published：2019
- Accepted：
Scan QR Code
Yingnan Hu, Aijing Lü, Mingyong Wang, Dong Wang, Junhao Liu, Zhi Wang, Xuzhong Gong. Electrochemical behaviors of anode materials and their performance for bauxite desulfurization[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 802-810.
DOI：

Yingnan Hu, Aijing Lü, Mingyong Wang, Dong Wang, Junhao Liu, Zhi Wang, Xuzhong Gong. Electrochemical behaviors of anode materials and their performance for bauxite desulfurization[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 802-810. DOI： 10.1016/j.cjche.2018.04.028.

摘要

Abstract

Pyrite inside bauxite could be oxidized into soluble S-containing ions by electrolysis

and thus achieving bauxite desulfurization by using filtration. However

S-containing ions in electrolyte had some corrosion effects on electrode

especially for anode. In this work

six kinds of traditional materials were selected as anode

and their corrosion behaviors were examined by using electrochemistry characterization. Tafel and CV curves from simulating electrolyte suggested that their corrosion potentials were in the following order:Ni C SS Fe Cu Pb-Ag. As expected

the desulfurization ratio and cell voltage from bauxite electrolysis were in the following order respectively:Cu Ni Fe SS C Pb-Ag and Ni Fe SS Cu C Pb-Ag. Finally

Ni was proposed a kind of excellent electrode material for bauxite desulfurization from electrolysis.

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