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recovery of copper from copper smelter slag Description

Copper Smelting Slag Recovery- - Metalcess

Copper smelting slag is produced from copper pyrometallurgy (both smelting and converting stages), usually grading at 0.3-3%. The slag may also contains lead & zinc minerals like galena, sphalerite. Copper mainly dwells in the slag in the form of bornite, chalcocite, chalcopyrite, and metallic copper.

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Pyrometallurgical recovery of copper from slag material

What we claim is: 1. 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 rotating at a speed of at least about 10 rpm; (b) adding a carbonaceous or hydrogenous reductant to said charge of molten slag in the rotating reactor to reduce magnetite and to

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Recovery of metal values from copper smelter slags by

copper to be recovered from a secondary smelting slag. Under optimum conditions, more than 95% of copper could be recovered by only a limited recovery of cobalt, nickel and zinc could be achieved by roasting the preroasted slag with pyrite at 550°C for 1 h with a 0.25 pyrite/slag ratio. Around 2%

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RECOVERY OF METAL VALUES FROM COPPER SLAG - THE

What is claimed is 1. A process for the recovery of metal values from copper smelter slag material which comprises mixing with agitation a unit part by weight of slag and about a unit part by weight of concentrated sulfuric acid to form an acid-slag mixture, incorporating in the acid-slag mixture about a unit part by weight of water, and allowing the mixture to react to produce a dry, solid

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Pyrometallurgical recovery of copper from slag material

What we claim is: 1. 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 rotating at a speed of at least about 10 rpm; (b) adding a carbonaceous or hydrogenous reductant to said charge of molten slag in the rotating reactor to reduce magnetite and to

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Recovery of Copper from Slow Cooled Ausmelt Furnace Slag

Ausmelt furnace slag contains about 0.9% Cu (mass %). With increasing the amount of Ausmelt furnace slag, the recovery of copper from it will produce an enormous economic yield. The recovery of copper by floatation from slow cooled Ausmelt furnace slag was studied in this paper. The phases and composition of the slow cooled slag were analyzed.

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COMPARATIVE RESULTS OF COPPER FLOTATION FROM

Copper recovery in the process of flotation copper concentration from smelter slag hardly reaches the valur of around I cu= 50%. This value is much lower than that usually achieved by standard flota- tion process of sulfide minerals I Cu=75-85% holder of metal copper, Cu, which are pre- sent in the ores.

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Recovery of Copper from Slow Cooled Ausmelt Furnace Slag

Ausmelt furnace slag contains about 0.9% Cu (mass %). With increasing the amount of Ausmelt furnace slag, the recovery of copper from it will produce an enormous economic yield. The recovery of copper by floatation from slow cooled Ausmelt furnace slag was studied in this paper. The phases and composition of the slow cooled slag were analyzed.

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The Recovery of Copper from Smelting Slag by Flotation

Feb 08, 2017· Abstract. Aiming at the recovery of copper from smelting slag, a flotation approach was studied. It was found that this slag composed of fine particles with complex association and distribution, in which bornite was the main copper-bearing mineral after a detailed mineralogy analysis via polarizing microscope, SEM and XRD.

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Copper Slag Recovery - Cal-chem Metals

A byproduct of copper melting is the production of slag. Cal-Chem purchases this waste stream material and brings it to their facility in Globe, Arizona where it is cleaned, separated and crushed to prepare it as copper smelter feed. of the slag ends-up at a copper smelter which is an environmentally friendly alternative to landfill

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RECOVERY OF COPPER FROM COPPER SLAG AND COPPER

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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Recover Copper from Reverberatory Furnace Slag

Laboratory and pilot plant investigations have indicated that copper recoveries of 50% can be achieved with fine grinding and flotation of a copper reverberatory furnace slag. Microscopic and microprobe studies indicate that the recoverable copper is in the form of matte, chalcocite, and metallic copper; the percentage of copper in particles appearing to be copper-free was from 0.23 – 0.54%

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Base metals recovery from copper smelter slag by oxidising

Dec 01, 2002· A copper smelter slag from Lubumbashi, Democratic Republic of Congo, containing 1.4% Cu, 0.7% Co, 8.9% Zn and 20.9% Fe(II), has been used in this study. The leaching tests have been carried out at normal pressure on ground slag samples (<100 μm).

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Recovery of copper and cobalt from ancient slag | Semantic

About 2.5 million tonnes of copper smelter slag are available in Küre, northern part of Turkey. 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

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ISASMELT TM SLAG CHEMISTRY AND COPPER LOSSES IN

the RHF slag mass and its copper content has a big influence in the copper recovery of the new Ilo Smelter. This paper discusses the operational issues and the actions that have been implemented in order to obtain a discard RHF slag. One of them is the change of the slag

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Recovery of Copper from Reverberatory Copper Slag and

Smelter copper slag contains significant concentrations of several potentially toxic elements, including arsenic, lead, cadmium, barium, zinc and copper. The recovery of copper from the copper slag increased with an increase in the quantity of acid. The reaction was carried out with no water addition.

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Recovery of Copper from Copper Smelter Slag by Flotation

The recovery of copper from copper smelter slag utilizing flotation has been studied. A copper smelter slag from the Wang Jiaqiao smelter in Yunnan Province of china, containing 2.76% Cu, 44.41% Fe, 2.34% Zn and 18.4g/t Ag and so on, has been used .The effective factors such as grinding fineness, pH, and the dosage and type of collector were examined.

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RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG BY

RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG BY REDUCTION SMELTING Copper slag is a by-product 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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RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG BY

RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG BY REDUCTION SMELTING Copper slag is a by-product 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.

Get Price

ISASMELT TM SLAG CHEMISTRY AND COPPER LOSSES IN

the RHF slag mass and its copper content has a big influence in the copper recovery of the new Ilo Smelter. This paper discusses the operational issues and the actions that have been implemented in order to obtain a discard RHF slag. One of them is the change of the slag

Get Price

Recovery of Copper from Copper Smelting Slag Using a Green

Jan 24, 2020· A new process is proposed for recovering copper from smelting slag using waste cooking oil as a green reductant. More than 70% of waste cooking oil pyrolysis products is hydrogen. In this study, a 70% H 2-30% N 2 gas mixture was used to simulate pyrolysis products

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Recovery of Copper from Copper Smelter Slag by Flotation

The recovery of copper from copper smelter slag utilizing flotation has been studied. A copper smelter slag from the Wang Jiaqiao smelter in Yunnan Province of china, containing 2.76% Cu, 44.41% Fe, 2.34% Zn and 18.4g/t Ag and so on, has been used .The effective factors such as grinding fineness, pH, and the dosage and type of collector were examined.

Get Price

RECOVERY OF COPPER FROM COPPER SLAG AND COPPER

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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how to succesfull recover copper from slag pdf

RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG BY REDUCTION SMELTING Copper slag is a by-product 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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Characterization and recovery of copper values from

The recovery of copper values from an Indian smelter slag that contains 1.53% Cu, 39.8% Fe and 34.65% SiO 2 was the focus of the present study. A complete investigation of the different phases present in the slag has been carried out by means of optical microscopy, Raman spectroscopy, scanning electron microscopy (SEM), and X-ray diffraction

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equipment for recovering copper from furnace slags

Equipment used in the Recovery of iron from Copper slag. Zinc,Equipment used in the recovery of iron from copper slag recovery of value metals from copper smelter slag by ammonium technique of copper, and iron recovery from the slag of the plant was proposed nate agent can be used for extracting value metals from the raw materials

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Recovery of value metals from copper smelter slag by

Nov 14, 2013· The process of value metal recovery from copper smelter slag of Balkhash copper plant by heat treatment with ammonium chloride was investigated. The effect of temperature and heat treatment duration on the metal recovery to water-soluble form was studied.

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Recovery of Copper from Copper Smelter Slag by Flotation

The recovery of copper from copper smelter slag utilizing flotation has been studied. A copper smelter slag from the Wang Jiaqiao smelter in Yunnan Province of china, containing 2.76% Cu, 44.41% Fe, 2.34% Zn and 18.4g/t Ag and so on, has been used .The effective factors such as grinding fineness, pH, and the dosage and type of collector were examined.

Get Price

Recovery of copper and cobalt from ancient slag - Gülay

About 2.5 million tonnes of copper smelter slag are available in Küre, northern part of Turkey. 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.

Get Price

Recovery of Copper from Copper Smelting Slag Using a Green

Jan 24, 2020· A new process is proposed for recovering copper from smelting slag using waste cooking oil as a green reductant. More than 70% of waste cooking oil pyrolysis products is hydrogen. In this study, a 70% H 2-30% N 2 gas mixture was used to simulate pyrolysis products

Get Price