Sulfur resource recovery based on electrolytic manganese residue calcination and manganese oxide ore desulfurization for the clean production of electrolytic manganese

Dong Sun; Lin Yang; Ning Liu; Wenju Jiang; Xia Jiang; Jianjun Li; Zhengyou Yang; Zhengping Song

doi:10.1016/j.cjche.2019.11.013

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Sulfur resource recovery based on electrolytic manganese residue calcination and manganese oxide ore desulfurization for the clean production of electrolytic manganese

Energy, Resources and Environmental Technology | Updated：2026-01-06

- Sulfur resource recovery based on electrolytic manganese residue calcination and manganese oxide ore desulfurization for the clean production of electrolytic manganese
- Chinese Journal of Chemical Engineering Vol. 28, Issue 3, Pages: 864-870(2020)
- Affiliations：
  
  1. College of Architecture and Environment, Sichuan University,Chengdu,China,610065
  2. National Engineering Research Center for Flue Gas Desulfurization, Sichuan University,Chengdu,China,610065
  3. Ningxia Tianyuan Manganese Industry Group Co. Ltd,Zhongwei,China,755103
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2019.11.013
  CLC：
- Published：2020
- Accepted：
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Dong Sun, Lin Yang, Ning Liu, Wenju Jiang, Xia Jiang, Jianjun Li, Zhengyou Yang, Zhengping Song. Sulfur resource recovery based on electrolytic manganese residue calcination and manganese oxide ore desulfurization for the clean production of electrolytic manganese[J]. Chinese Journal of Chemical Engineering, 2020, 28(3): 864-870.
DOI：

Dong Sun, Lin Yang, Ning Liu, Wenju Jiang, Xia Jiang, Jianjun Li, Zhengyou Yang, Zhengping Song. Sulfur resource recovery based on electrolytic manganese residue calcination and manganese oxide ore desulfurization for the clean production of electrolytic manganese[J]. Chinese Journal of Chemical Engineering, 2020, 28(3): 864-870. DOI： 10.1016/j.cjche.2019.11.013.

摘要

Abstract

An environmentally friendly and resource-conserving route to the clean production of electrolytic manganese was developed

in which the electrolytic manganese residue (EMR) was initially calcined for cement buffering; then the generated SO

-containing flue gas was managed using manganese oxide ore and anolyte (MOOA) desulfurization; at last

the desulfurized slurry was introduced to the electrolytic manganese production (EMP). Results showed that 4.0 wt% coke addition reduced the sulfur of calcined EMR to 0.9%

thereby satisfying the cement-buffer requirement. Pilot-scale desulfurization showed that about 7.5 vol% of high SO

containing flue gas can be cleaned to less than 0.1 vol% through a five-stage countercurrent MOOA desulfurization. The desulfurized slurry had 42.44 g·L

-1

and 1.92 g·L

-1

which was suitable for electrowinning after purification

and the purity of manganese product was 99.93%

satisfy the National Standard of China YB/T051-2015. This new integrated technology fulfilled 99.7% of su

lfur reutilization from the EMR and 94.1% was effectively used to the EMP. The MOOA desulfurization linked the EMP a closed cycle without any pollutant discharge

which promoted the cleaner production of EMP industry.

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