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copper mineral processing slag

CHARACTERISATION OF COPPER SLAG IN VIEW OF

1. J. D. Miller and C. L. Lin, ^Three dimensional analysis of particulates in mineral processing systems by cone beam X-ray microtomography _, Society for Mining, Metallurgy, and Exploration, 2004. 2. N. D'Hoker, ^Valorisation of copper slag: Characterisation and (ultrasound-assisted) selective acid

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RECOVERY OF COPPER FROM COPPER SLAG AND COPPER SLAG ...

Abstract: Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide. Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings.

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Recovery of value metals from copper smelter slag by ...

14-11-2013  The vast majority of copper extraction from copper minerals is pyrometallurgical (Davenport et al., 2002). These processes generate slags, which generally contain some significant metals of value. Copper slags are produced in thousands of tons per year.

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(PDF) Technological scheme for copper slag processing

13-11-2016  Copper slag (CS) with Fe-bearing fayalite and magnetite is the main waste generated during the pyrometallurgical processing of metallic copper.

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Improving Beneficiation of Copper and Iron from Copper ...

2.1.1. Copper Slag The copper slag used in the experiments is a byproduct generated during the cleaning of electric furnace slag and refining of copper in Tongling Non-ferrous Metals Group Holding Co., Ltd (Tongling, China). As shown in Table1, the main chemical compositions contained in the waste slag are 42.85 wt. %

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RECOVERY OF COPPER FROM SMELTING SLAG BY SULPHATION ...

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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Copper Smelting Slag Recycling technology,Copper slag ...

Copper slag is the solid waste produced by smelting copper, which contains a certain amount of metal copper particles. Different smelting process, metal copper content is also different. Copper slag processing line is the production line for copper slag processing, recovery of metal copper particles, including crushing, screening, sorting, dewatering and other processes.

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Optimization of the flotation of copper smelter slags from ...

that copper sulphide minerals are locked and occluded in fayalite gangue. The slags were milled to 75 percent less than 45 microns in order to liberate the copper minerals sufficiently for the flotation tests which were performed on slag samples from three different sources (TSL furnace, copper converters, reverberatory furnace) to recover the copper minerals. A range of commercial

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Recovery of metal values from copper slags by flotation ...

01-02-2007  The second route was flotation of the slags, roasting of the flotation tailings with pyrite and leaching. The second route was found to be suitable for the treatment of the copper slag studied. In the flotation step, a copper concentrate containing approximately 11% Cu was produced with a 77% recovery while 93% of the cobalt stayed in the tailings.

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Copper losses to slags obtained from the El Teniente ...

(2005). Copper losses to slags obtained from the El Teniente process. Mineral Processing and Extractive Metallurgy: Vol. 114, No. 3, pp. 135-140.

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RECOVERY OF COPPER FROM SMELTING SLAG BY SULPHATION ...

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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Copper Smelting Slag Recycling technology,Copper slag ...

Copper slag is the solid waste produced by smelting copper, which contains a certain amount of metal copper particles. Different smelting process, metal copper content is also different. Copper slag processing line is the production line for copper slag processing, recovery of metal copper particles, including crushing, screening, sorting, dewatering and other processes.

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Enhancing the flotation recovery of copper minerals in ...

01-01-2020  Slag cleaning can be divided into two types, first being the pyrometallurgical reduction and settling of liquid slag, which is performed in slag-cleaning furnaces, and the second type being the mineral processing-based slag cleaning of solidified or granulated slag by crushing and/or grinding followed by gravity concentration or froth flotation (Davenport et al., 2002).

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Recovery of copper and cobalt from ancient slag - Gülay ...

This slag contains large amounts of metallic values such as copper and cobalt. A representative slag sample containing 0.98% Cu, 0.49% Co and 51.47% Fe was used in the experimental studies. Two different methods, direct acid leaching and acid baking followed by hot water leaching were used for recovering Cu and Co from the slag.

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COPPER Copper production - Repository

sulfide minerals, for example, chalcopyrite and pyrite. ... ( 95 wt % Cu) and to a copper-rich slag. The two ore types can be smelted together to produce matte and a slag with low copper content. Another product is top gas, which contains flue dust. ... Processing and Uses

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Recovery of copper from reverberatory furnace slag by ...

01-03-2004  Slow cooling of slag from its molten state to its solidification increases the size of the particles of the copper containing minerals, due to diffusion and coagulation of the small particles. For this purpose, the slag was first heated to 1300 °C for 60 min and then was slowly cooled to about 900 °C, with a cooling rate of 1.5 °C/min, in an electric furnace.

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Copper Slag From Gold Ore Processing

copper ore processing dry process . Oct 16 2013copper ore processing dry process Copper mineral processing plants - Copper Ore Beneficiation Copper mineral processing plants CQC ISO9001 2000 Brand Name Gulin Place of Origin Shanghai China Rating ★★★★★ Get Price For Free Mine Engineer provides mining gold copper coal mineral The above flowsheet shows a basic copper mine process

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Slag Processing - CALA Mineral Processing - Consulting

Slag analyses for metal contents, chemical and mineralogical compositions, marketability; Metal Recovery Plant concepts; Mineral Product valorization concepts; Our specialty is to maximize metal recovery without losing track of the valorization of the residual slag, since it can be a high-value product and the cost of disposal generally increases.

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Special Wastes Hazardous Waste US EPA

Mineral Processing Wastes Covered by the Mining Waste Exclusion. Slag from primary copper processing. Slag from primary lead processing. Red and brown muds from bauxite refining. Phosphogypsum from phosphoric acid production. Slag from elemental phosphorous production. Gasifier ash from coal gasification. Process wastewater from coal gasification

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Copper losses to slags obtained from the El Teniente ...

(2005). Copper losses to slags obtained from the El Teniente process. Mineral Processing and Extractive Metallurgy: Vol. 114, No. 3, pp. 135-140.

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RECOVERY OF COPPER FROM SMELTING SLAG BY SULPHATION ...

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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Copper Smelting Slag Recycling technology,Copper slag ...

Copper slag is the solid waste produced by smelting copper, which contains a certain amount of metal copper particles. Different smelting process, metal copper content is also different. Copper slag processing line is the production line for copper slag processing, recovery of metal copper particles, including crushing, screening, sorting, dewatering and other processes.

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[PDF] Recovery of copper from the copper slag and

Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide. Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings. Hydrogen peroxide was determined to be the best lixiviant.

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Recovery of copper and cobalt from ancient slag - Gülay ...

This slag contains large amounts of metallic values such as copper and cobalt. A representative slag sample containing 0.98% Cu, 0.49% Co and 51.47% Fe was used in the experimental studies. Two different methods, direct acid leaching and acid baking followed by hot water leaching were used for recovering Cu and Co from the slag.

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Recovery of metal values from copper slag and reuse of ...

Copper slag was characterized and processed. The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis. Carbothermal reduction at elevated temperature (near 1440°C) helped recover a majority of the metal values (e.g., Fe, Cu and Mo) into the iron-rich alloy product which can be a feed material for steel making.

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Copper Lead Slag Analysis - 911metallurgist

For technical purposes it is rarely necessary to determine all the constituents present in a slag. The lead or copper smelter wishes to know the lead or copper contents of his slags; also their silver and gold contents (if any), and, as a rule, the silica, ferrous oxide, and lime present.

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Slag Processing - CALA Mineral Processing - Consulting

Slag analyses for metal contents, chemical and mineralogical compositions, marketability; Metal Recovery Plant concepts; Mineral Product valorization concepts; Our specialty is to maximize metal recovery without losing track of the valorization of the residual slag, since it can be a high-value product and the cost of disposal generally increases.

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COPPER Copper production - Repository

sulfide minerals, for example, chalcopyrite and pyrite. ... ( 95 wt % Cu) and to a copper-rich slag. The two ore types can be smelted together to produce matte and a slag with low copper content. Another product is top gas, which contains flue dust. ... Processing and Uses

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Special Wastes Hazardous Waste US EPA

Mineral Processing Wastes Covered by the Mining Waste Exclusion. Slag from primary copper processing. Slag from primary lead processing. Red and brown muds from bauxite refining. Phosphogypsum from phosphoric acid production. Slag from elemental phosphorous production. Gasifier ash from coal gasification. Process wastewater from coal gasification

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