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copper recovery from slag in United States
US3666440A Method of recovering copper from slag Google
copper is recovered from copper-containing slag by putting the matte and slag in a molten state together in a slag treating furnace at a volume ration of more than 1:5, the melts in
US1822588A Recovering copper from slags Google Patents
The high CO gas separates the copper before reducing much iron at temperatures 2200-2400 We have been able to treat copper furnace acid slags containing .35 to .45% On by our
Enhancing the flotation recovery of copper minerals in smelter
The copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the environment. Currently, the slags are sent to a milling and flotation plant for
Copper Slag an overview ScienceDirect Topics
Currently copper slags are mainly recycled for recovery of metals, 50 although slags with reduced copper contents (less than 0.8 wt.% Cu) are either discarded as waste or sold as
Recovery of metal values from copper slag and reuse of residual
Copper slag was characterized and processed. The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis.
Recovery of Copper and Cobalt from Converter Slags via
12/03/2021· Large amounts of solid wastes are produced in copper and aluminum smelting processes, which not only cause losses of valuable resources but also threaten the ecology
Pyrometallurgical recovery of copper from slag material
A cyclic, two-stage process for recovering essentially all copper values present in molten slag, comprising: (a) subjecting a charge of the molten slag to vigorous agitation in a rotary reactor
Recovery of copper, cobalt, and zinc from copper smelter
01/12/2002· A study on the recovery of copper, cobalt, and zinc from copper smelter and converter slags by roasting with sulfuric acid has been conducted. Acid roasting of slags
An Overview of Recovery of Metals from Slags
01/02/2003· Indeed, historical accounts of a Finnish smelting operation already showed that Cu recovery with an electric furnace was of 77% but with the introduction of flotation as the slag
Recovery of Add-Value Products from Copper Slag by
01/07/2022· Copper slag, a potential resource for iron making, has not yet been promoted for large-scale application. One of the reasons limiting its development is the problem of impurity
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