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논문 기본 정보

자료유형
학술저널
저자정보
Jae-chun Lee (Korea Institute of Geoscience and Mineral Resources (KIGAM)) Kurniawan Kurniawan (Korea Institute of Geoscience and Mineral Resources (KIGAM)) Kyeong Woo Chung (Korea Institute of Geoscience and Mineral Resources (KIGAM)) Sookyung Kim (Korea Institute of Geoscience and Mineral Resources (KIGAM))
저널정보
대한금속·재료학회 Metals and Materials International Metals and Materials International Vol.27 No.7
발행연도
2021.1
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2,160 - 2,187 (28page)

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초록· 키워드

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Copper anode slimes, the by-product of the copper electrorefining process, have been the subject of extensive investigationfor recovering precious metals viz., Au, Ag, Pt and Pd, in addition to being the main source of rare/energy-critical elementssuch as Se and Te. There have been various approaches aiming at the development of extraction processes involving thermaland aqueous approaches and their combination. In this paper, the literature relating to the treatments of copper anode slimeis compiled to present the underlying concept for the total recovery of all valuable metals from anode slimes. The industrialand proposed scenarios gathered from various sources show that the basis of applying different streams essentially dependson the concentration of copper and selenium in the slimes. Copper anode slime processing has a history of being in a developmentperiod, though at times showing overlaps. The discussion of each metallurgical process is basically explained bythermodynamic analysis using suitable software as well as fundamentals of the chemistry. Recent progress is highlightedand compared to the established technologies with regard to environmental impact and economic consideration/feasibility. This discussion is followed by the construction of a conceptual flowsheet on the progress currently made. It is expected thatfurther work regarding metal recovery from copper anode slimes would objectively shorten the number of stages for thepretreatment as well as metal separation from leach solutions.

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