Green and short smelting process of bismuth sulphide concentrate with pyrite cinder
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- 影响因子：11.072
- DOI码：10.1016/j.jclepro.2022.134348
- 发表刊物：Journal of Cleaner Production
- 关键字：Bismuth metallurgy, Bismuthinite concentrate, Pyrite cinder, Reductive sulphur-fixing smelting, Reaction mechanism
- 摘要：The traditional smelting process of bismuth sulphide concentrate faces problems of low metallic bismuth recovery, high production cost and low-concentration SO2 flue gas pollution. In this study, a clean and efficient smelting process was developed to directly extract bismuth metal from bismuthinite concentrate. The reaction mechanism and phase transformation laws were confirmed by thermodynamic simulation calculation, TG-MS thermal analysis and phase characterization. Firstly, Fe2O3 and Fe3O4 interacted with Bi2S3 to form Bi2O3. The intermediate Bi2O3 was then reduced into metallic Bi, and the element S was fixed as FeS. Results of the smelting simulation experiments showed that 89.25% metallic Bi was recovered. About 38.17% Pb, 33.92% Cu, and 83.98% Ag were enriched in crude bismuth, and 96.37% S was fixed in the matte as raw material for resource recovery and energy utilisation.
- 论文类型：期刊论文
- 学科门类：工学
- 一级学科：冶金工程
- 文献类型：J
- 卷号：377
- 页面范围：134348
- 是否译文：否
- 发表时间：2022-09-29
- 收录刊物：SCI
