Co-treatment of waste smelting slags and gypsum wastes via reductive-sulfurizing smelting for valuable metals recovery
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- 作者：Yun Li ; Yongming Chen ; csuchenyongming@163.com" class="auth_mail" title="E-mail the corresponding author ; Chaobo Tang ; chaobotang@163.com" class="auth_mail" title="E-mail the corresponding author ; Shenghai Yang ; Jing He ; Motang Tang
- 关键词：Slag cleaning ; Reductive-sulfurizing smelting ; Gypsum waste ; Sulfurizing agent ; Recovery of Cu and Co
- 刊名：Journal of Hazardous Materials
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：322
- 期：part_PB
- 页码：402-412
- 全文大小：3602 K
文摘
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An innovative slag cleaning and gypsum wastes treatment technique was presented.
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The results verified the feasibility and reliability of the innovative technique.
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CaSO4 can efficiently and preferentially sulfurize Cu2O and CoO into sulphide.
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92.04% Cu and 95.62% Co lost in initial slag can be selectively recovered.
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Ca-rich and Fe-poor slag property was more beneficial to minimize Cu and Co losses.
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