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2014•Applied Mechanics and MaterialsOpen access

Recovery of Copper and Silver by Flotation from Smelting Copper Slags

Xian Xie, Kai Hou, Xiong Tong, Yong Cheng Zhou, Xiang Wen Lv

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Abstract

The recovery of copper from smeltery furnace slag by flotation has been studied. By analysis the slag containing 1.61% copper and 27.80g/t silver is available to recovery. The effective factors such as particle size, the amount and type of collector were examined. The combination of the collectors was also examined. With the process utilized in this work, a copper concentrate of 26.47% Cu with a recovery of 78.85% is produced. The associated silver is mostly concentrated to the copper concentrate, and the silver recoveried in the copper concentrate is 97.57%.

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What this paper is about

The recovery of copper from smeltery furnace slag by flotation has been studied. By analysis the slag containing 1.61% copper and 27.80g/t silver is available to recovery. The effective factors such as particle size, the amount and type of collector were examined. The combination of the collectors was also examined. With the process utilized in this work, a copper concentrate of 26.47% Cu with a recovery of 78.85% is produced. The associated silver is mostly concentrated to the copper concentrate, and the silver recoveried in the copper concentrate is 97.57%.

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Available abstract

The recovery of copper from smeltery furnace slag by flotation has been studied. By analysis the slag containing 1.61% copper and 27.80g/t silver is available to recovery. The effective factors such as particle size, the amount and type of collector were examined. The combination of the collectors was also examined. With the process utilized in this work, a copper concentrate of 26.47% Cu with a recovery of 78.85% is produced. The associated silver is mostly concentrated to the copper concentrate, and the silver recoveried in the copper concentrate is 97.57%.

Key concepts: Copper, Metallurgy, Copper extraction techniques, Slag (welding), Copper slag, Smelting, Materials science

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