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flotation of copper slag in kenya

flotation of copper slag in kenya

If the above information does not meet your needs, please fill in your specific needs here. Tel: 0086 15311826765 Email: [email protected] Products. Grinding

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Flotation of copper sulphide from copper smelter slag ...

Oct 10, 2015  The information will help in the flotation of copper smelter slag for better copper grade and recovery. Abstract Present work focuses on the differences in the

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Enhancing the flotation recovery of copper minerals in ...

Jan 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

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COMPARATIVE RESULTS OF COPPER FLOTATION FROM

Production of copper concentrate by flotation of smelter slag has started in 2001. Flotation concentrate goes to the Copepr Smelter once more for production of

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

For an air-cooled slag at optimized conditions, 72% of copper was recovered in one stage flotation and a 12.6% copper concentrate was achieved. The best recovery

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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

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2-Recovery of Copper and Cobalt from Converter Slag with a ...

Key words: Converter slag, flotation, copper, cobalt, sulphurization. 1. Introduction Copper slag is produced in large amounts in seven copper smelter plants

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(PDF) Beneficiation of copper slag - ResearchGate

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%

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Copper Sulfide Flotation - Mineral Processing Metallurgy

Apr 13, 2016  Flowsheet for treatment of Copper Sulfide ores rich inminerals such as chalcopyrite with gold and silver as well as arsenopyrite. The above flowsheet is designed for

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Copper Flotation - Mineral Processing Metallurgy

May 16, 2016  A Copper Flotation Flowsheet. Because the copper in this type of ore usually assays only plus or minus 1% copper, the porphyry copper operations must be

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Copper Recovery Through Smelter Slag Flotation in Atacama ...

Copper slag flotation was studied on an industrial scale at a concentrator plant in the region of Atacama, Chile. This study consisted of the physical, chemical, and mineralogical characterization of the copper slag, along with preliminary flotation tests.

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The recovery of copper, by flotation, from calcium-ferrite ...

Apr 01, 2004  Flotation has been identified as the most economical option to recover the copper from direct copper converting slags (Somerville et al., 2000) where it has been estimated that a copper recovery from the slag of above 90% is required to make the overall single-stage copper making process economically feasible.

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COMPARATIVE RESULTS OF COPPER FLOTATION FROM

Production of copper concentrate by flotation of smelter slag has started in 2001. Flotation concentrate goes to the Copepr Smelter once more for production of cop-per cathodes and the rough flotation tailings go to the flotation tailing dump. Copper recoveries in the flotation process of smelter slag reaches the value of about 45- 50%.

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

Optimization of the flotation of copper smelter slags from Namibia Custom Smelters’ Slag Mill Plant Elias Sipunga A research report submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, in partial fulfillment of the requirements for the degree of Master of Science in Engineering

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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 1-3 %. 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 energy consumption and maximum recovery of copper ...

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

Jun 05, 2013  The results further indicated higher consumption dosage of collector on the slag flotation compared to the copper ore. It seems that, higher grade of copper in the slag (3.4 % Cu) than in copper ore (1 % Cu) as well as the smaller size of the copper sulfide minerals of the slag (85 % −74 μm) compared to the initial sample (70 % −74 μm ...

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THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY

Apr 05, 2015  The content of copper in the flotation tailings directly depends on fragmentation rate (Figure 1). Expected content of copper in the flotation tailings, in the case of cooling in pits, is 0.5-0.9%, and in the case of cooling in pots, from 0.22 to 0.35% Cu. Fig. 1. The effect of fragmentation rate on the slag flotation [6]

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RECOVERY OF COPPER FROM SMELTING SLAG BY

flotation of slag tailings using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide. However, the maximum copper extraction attained with the slag was modest at about 63%, whereas that obtained with the slag flotation tailings was as low as 33% (Urosevic et al., 2015). Accordingly, the objective

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Characterisation and recovery of non-ferrous metals met in ...

overflow and in feed streams correspond well a fayalitic copper slag. These streams show a copper grade of nearly 2.5 %, a content which further increases within the flotation to around 22 %, while it drops down to 0.5 % in the rougher and final flotation tailings. The copper concentration in the hydrocyclone underflow from the ball mill is ...

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

Nickel-copper converter slag 'A'- 100 kVA and 200 kVA. Using converter slag from a nickel-copper plant, tests were carried out, in 1990, on a 100 kVA furnace (operated at 30 kW) and on a 200 kVA furnace (operated at 85 kW), at low additions of reductant (in order to minimize the reduction of iron).

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Dore slag treatment - Noranda Mines Limited

These operations also produce two additional slags, the so-called soda slag and copper slag respectively. The quantity of these slags is much smaller than that of the combined quantity of the silica slag and lead slag (dore slag). These additional slags were not subjected to grinding and flotation in accordance with this invention.

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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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Chapter 6 Copper Production Technology

The Egyptian copper smelting furnace was filled with a mixture of copper ore, charcoal and iron ore to act as a flux. It was blown for several hours by foot or hand bellows. By the end of the smelt the copper had separated from the slag, which was tapped off.

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Production of brown and black pigments by using flotation ...

Apr 01, 2006  One of the major problems in copper-producing countries is the treatment of the large amount of copper slag or copper flotation waste generated from copper slag which contains significant amounts of heavy metals such as Cu, Zn, Pb and Co. Dumping or disposal of such large quantities of flotation waste from copper slag causes environmental and space problems.

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COMPARATIVE RESULTS OF COPPER FLOTATION FROM

Production of copper concentrate by flotation of smelter slag has started in 2001. Flotation concentrate goes to the Copepr Smelter once more for production of cop-per cathodes and the rough flotation tailings go to the flotation tailing dump. Copper recoveries in the flotation process of smelter slag reaches the value of about 45- 50%.

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Research of Laws Pyrite-Bearing Slag Flotation of Copper ...

extract copper from free-milling crystallized copper slag aggregates [1, 2]. Flotation copper ground to 0.074 mm class minutes slag is carried out on the circulating water in an alkaline medium created lime [3]. Extracting copper flotation of refractory bad- devitrified lag does not exceed 45-60% on average from the dump and 76% of the converter

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Enhancing the flotation recovery of copper minerals in ...

Converter slag Reverbetory furnace slag Copper recovery Flotation Milling and grinding ABSTRACT Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags. The

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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 1-3 %. 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 energy consumption and maximum recovery of copper ...

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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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COPPER EXTRACTION FROM COPPER SMELTER SLAG WITH

of slag per year, the copper recovery re-mained low (≤ 50 %) [10]. The reason for this is the presence of 15-20 % of copper oxide in slag and concentrated sulphide copper in the size classes below 38 μm [11]. Therefore, in the tailings from the flotation of slag, copper lags whose concentration is

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Characterisation and recovery of non-ferrous metals met in ...

overflow and in feed streams correspond well a fayalitic copper slag. These streams show a copper grade of nearly 2.5 %, a content which further increases within the flotation to around 22 %, while it drops down to 0.5 % in the rougher and final flotation tailings. The copper concentration in the hydrocyclone underflow from the ball mill is ...

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Slag of Copper Convert Scientific.Net

Copper, iron, and other minerals are closely intergrowth in it. The electron microscope pattern and particle analysis tests demonstrate that the particles of copper are fine and unevenly disseminated in the slag. The proper grinding fineness, types of collectors and collector dosages have been determined through the flotation condition tests.

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(PDF) Flotation of a copper sulphide ore from Okiep using ...

Many studies into collectors for copper flotation have been carried out [22][23][24][25][26][27][28][29]. Hangone et al. (2005), in a study of the effects of thiol collectors: xanthates ...

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

Nickel-copper converter slag 'A'- 100 kVA and 200 kVA. Using converter slag from a nickel-copper plant, tests were carried out, in 1990, on a 100 kVA furnace (operated at 30 kW) and on a 200 kVA furnace (operated at 85 kW), at low additions of reductant (in order to minimize the reduction of iron).

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Copper Slag Flotation Plant In South Africa

Copper Slag Flotation Plant In South Africa. In 1984 Newmont sold the Okiep Copper Company to Goldfields of South Africa More recently assets from the Ookiep Copper Company were acquired by Metorex in 1998 Reprocessing of the slag dump over a sevenyear period by flotation methods started in 2002. Send Email: [email protected]

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Process Description and Abbreviated History of Anglo ...

Copper smelters produce large amounts of copper slag or copper flotation waste and the dumping of these quantities of copper slag causes economic, environmental and space problems. The aim of this ...

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copper slag screening equipment

Copper Slag Crusher - viert Copper Slag Crusher Choose Copper Slag crusher. Copper ore crusher, the equipment currently in use have broad jaw crusher, impact crusher, cone crusher and so on. Zenith jaw crusher copper ore is high manganese steel casting is complete, with wear, compression, etc., for a variety of crude ore materials, broken job.

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Design of the Lohan tailings dam, Mamut Copper Mining Sdn ...

Effect of calcium and thiosulfate ions on flotation selectivity of nickel-copper ores Kirjavainen, V. / Schreithofer, N. / Heiskanen, K. 2002 print version

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