recovery of copper from copper smelter slag

Effects of fluxing conditions on copper smelting slag cleaning

°C) with 2–3 wt% Cu remaining in the smelting slag. At present, the recovery of copper from slag is processed by slow cooling, milling and flotation at Fangyuan. Bottom blown oxygen copper smelting technology has demonstrated great potential and will be transferred to other plants around the World.

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Environmental Guidelines for Copper Smelting

discarded slag from the smelter. Discard slag may contain % copper and is frequently used as construction material or for sandblasting. Leaching processes produce residues while effluent treatment results in sludges which can be sent for metals recovery. The smelting process typically produces less

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Kinetics of Copper Reduction from Molten Slags Aaltodoc

from copper flash smelting slags. The flash smelting and slag cleaning processes are described in the introductory part. The studies are focused on the slag cleaning process in the three electrode electric furnace (EF), where components of the slag reduce to matte and EF slag in a periodic batch process.

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Recirculation of Chilean Copper Smelting Dust with High ...

It was found that the direct return of dust to the smelting process was quite eﬀective for the recovery of copper and the reduction of dust amount, but the acceptable amount of returnable dust was limited by the produced matte quality. ... Industrial copper concentrates, matte, slag and ﬂue dust ... Recirculation of Chilean Copper Smelting ...

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Copper Slag General Information, Process, Products ...

Recycling copper slag to recover metals has been focused on copper recovery. However some copper slag also contains molybdenum in amounts up to % which is .

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Copper smelter Boliden

The value of the free copper, gold and silver in a copper concentrates for a copper smelter is depending on the recovery rate, LME copper price and LMBA gold and silver price. In this example the recovery rate for a copper smelter is %. The value of free gold and silver is normally greater than the value of the free metal for copper.

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how to succesfull recover copper from slag pdf

Slag consists of compounds present in ore gangue and flux was added to reduce the melting point. The slag of copper smelting furnace slag often contains 1–2 % copper, and due to high production volume of slag, copper recovery from it becomes essential.

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Recovery of cobalt, nickel, and copper from slags, using ...

Mintek has been working on the recovery of cobalt, and the associated valuable metals, from slags, since 1988, using DCarc furnace technology to effect selective carbothermic reduction of the oxides of cobalt, nickel, copper, (and zinc, where present), while retaining .

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AP42, CH : Secondary Copper Smelting US EPA

As copper is dissolved from the anodes, it deposits on the cathode. Then the cathode copper, which is as much as percent pure, is extracted and recast. The blast furnace and converter may be omitted from the process if average copper content of the scrap being used is greater than about 90 percent.

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COMPARATIVE RESULTS OF COPPER FLOTATION FROM .

smelter slag are obtained, necessary for further testing the process of flotation concentration. This paper presents the achieved comparative results from the flotation concentration process of smelter slag and granulated smelter slag of reverberatory furnace. Keywords: smelter slag, granulation, grinding, flotation, Cu recovery

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smelter of copper slag in spain

Recovery of copper from smelting slag by sulphation roasting and water leaching 411 Materials and experimental methods Experiments were conducted using a reverberatory furnace slag from the Bor Copper Concentrator, Serbia. The slag was sampled from the crushing line before entering the milling section of the concentrator.

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Recovery of Copper from the Slag of Khatoonabad Flash ...

Copper loss in the slag of Khatoonabad flash smelting furnace is estimated to be about 13 %. At present, the electric slag cleaning furnace is used for the recovery of copper from slag. However, due to low recovery efficiency of electric furnace along with high consumption of electrical energy and water, selection of a method to enable minimum ...

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copper slag processing

material that goes to the crusher for further processing. Copper Slag: Copper slag is a byproduct obtained during the matte smelting and refining of copper. Get Price Recovery of iron from copper flash smelting slags Mineral ...

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The recovery of nonferrous metals from secondary copper ...

AbstractThe use of carbothermic reduction as a method of recovering copper and other nonferrous metals from smelter discard slags has been examined. Although several pilotscale tests (referred elsewhere) showed that the recovery of copper into a base metal can exceed 70%, even for a slag originally containing only % copper, it was considered that further studies under controlled .

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Performance Characteristics of Copper and Coal Slag Abrasives

Secondary copper smelters are also a source of copper slag. These smelters recover copper from scrap copper alloy products such as telephone switching gear, electronic hardware, wrought products, and wire. Such slag may contain alloying elements (, beryllium or iron). Beryllium is toxic,

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COPPER SMELTER PROJECTS SERVICES

Copper Recovery –Vacuum Services 5 6 ... Copper Smelter Projects and Services Turnkey Furnace Rebuild Project Service Project and construction management ... Solid and Liquid Recovery and disposal Recovery from Slag Pits. Business Alliances USA FRANCE SOUTH AFRICA UK GERMANY DENMARK EGYPT EGYPT USA. Dickinson Group Attributes and Benefits

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RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG ... .

RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG BY REDUCTION SMELTING Copper slag is a byproduct obtained during smelting and refining of copper. Copper smelting slag typically contains about 1 wt.% copper and 40 wt.% iron depending upon the initial ore quality and the furnace type. Main components of copper slag are iron oxide and silica.

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Copper Recovery Services Calchem Metals

Copper Recovery Services. CalChem Metals works with Clients across North America on copper recovery projects. These copper reclamation projects include copper slag recovery, copper mud recovery and rod mill scale/filter paper recovery.

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recovery of copper from copper smelter slag

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