copper flotation slag

copper flotation slag

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, 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 ...

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Flotation of copper sulphide from copper smelter slag ...

Oct 10, 2015  Lowest copper recoveries were obtained with alkyl hydroxamate in single collector floation performance. It has been reported that the alkyl hydroxamate is not very selective for sulphide flotation. In case of copper slag most of the copper occur in the form of copper sulphide and shows very low response with alkyl hydroxamate.

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

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 flotation reagents including xanthates, dithiophosphates, mercaptobenzothiazole,

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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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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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Flotation of copper sulphide from copper smelter slag ...

Correlated the slag mineralogy with flotation performance of copper sulphide. The role of single collectors and collector mixture were evaluated in terms of copper grade and recovery. Examined the flotation results to investigate that whether there was synergistic effect arising from mixing collectors.

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Recovery of copper from reverberatory furnace slag by ...

Mar 01, 2004  Flotation experiments were then carried out on this slow-cooled slag. Table 3 compares the results of the flotation experiments of the slags with different cooling rates, while the particle size of the copper minerals in the slag can be seen in the microscopic photographs of Fig. 1, Fig. 2.

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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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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 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 efficiency was obtained when 30 g ...

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The Recovery of Copper from Smelting Slag by Flotation ...

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

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Hydrophobic-surface of copper from converter slag in the ...

Jul 01, 2013  Currently, researches on comprehensive utilization of converter slag made a much progress , , , , , .Flotation is one of the most effective way to recover useful metals in converter slag , .The converter slag contains 1–6% copper which is mainly in the form of copper sulfide, together with and the grade of metallic copper and copper oxide is less .

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(PDF) MICROSCOPY ANALYSIS OF COPPER SLAG AND ITS ...

The recovery of copper from smeltery furnace slag by flotation has been studied. By analysis the slag containing 1.61% copper and 27.80g/t silver is available to recovery.

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

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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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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2-Recovery of Copper and Cobalt from Converter Slag with

Key words: Converter slag, flotation, copper, cobalt, sulphurization. 1. Introduction Copper slag is produced in large amounts in seven copper smelter plants in Chile, and it is estimated that around 4 million tons of slag are disposed every year and another

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[PDF] Recovery of copper from the copper slag and copper ...

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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THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY

Apr 05, 2015  Mihajlović - The effect of cooling rate of slag from primary copper production 129 In Table 1 an overview is given of copper content in flotation tailings in smelters which process slag by flotation. Table 1. Copper content in flotation tailings in different smelters Smelter %Cu Almalykskii, Russia 0,27 Garfield, USA 0,48 Guixi, China 0,50

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Copper extraction - Wikipedia

Slag is less dense than matte, so it forms a layer that floats on top of the matte. Copper can be lost from the matte in three ways: as cuprous oxide (Cu 2 O) dissolved in the slag, as sulfide copper dissolved in the slag or as tiny droplets (or prills) of matte suspended in the slag.

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SUSTAINABILITY OF COPPER SLAG PROCESSING FROM

represents the processing of copper slag by flotation. Keywords: flash smelting, copper slag, recycling, flotation, RTB Bor Introduction RTB Bor (Rudarsko-topioničarski basen Bor), as an integrated copper mining and metallurgy company, is located in Bor, Serbia. A century ago the town of

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Recover Copper from Reverberatory Furnace Slag

Jul 23, 2019  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 ...

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Recovery of Copper from Reverberatory Copper Slag and ...

flotation to recover entrained copper contents. This technique produces a flotation concentrate copper ... Copper slag is +2a form of olivine, a magnesium, iron and silicate mineral with the formula (Mg , Fe+2) 2 SiO 4. The production of nano silica from the dissolution of olivine is an economic option when

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Copper Loss in Slag - ResearchGate

These slags, which contain large concentrations of copper (5 to 10 percent), are treated in slag concentrators (controlled cooling, crushing and milling, and flotation) which produce a copper ...

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US4022686A - Flotation process for copper ores and copper ...

A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens and further, if desired, a promoter such as kerosene, light oil ...

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US4022686A - Flotation process for copper ores and copper ...

A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens and further, if desired, a promoter such as kerosene, light oil ...

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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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(PDF) MICROSCOPY ANALYSIS OF COPPER SLAG AND ITS ...

The recovery of copper from smeltery furnace slag by flotation has been studied. By analysis the slag containing 1.61% copper and 27.80g/t silver is available to recovery.

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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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[PDF] Recovery of copper from the copper slag and copper ...

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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Copper extraction - Wikipedia

Slag is less dense than matte, so it forms a layer that floats on top of the matte. Copper can be lost from the matte in three ways: as cuprous oxide (Cu 2 O) dissolved in the slag, as sulfide copper dissolved in the slag or as tiny droplets (or prills) of matte suspended in the slag.

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A Study of the Optimal Model of the Flotation Kinetics of ...

In this study the effect of mixtures of copper slag and flotation tailings from copper mine Bor, Serbia on the flotation results of copper recovery and flotation kinetics parameters in a batch flotation cell has been investigated. By simultaneous adding old flotation tailings in the ball mill at the rate of 9%, it is possible to increase copper recovery for about 20%.

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Recovery of Copper from Slow Cooled Ausmelt Furnace Slag ...

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. The factors which affected the copper recovery efficiency such as grinding fineness, pH value of flotation medium, different collectors and floating process were investigated.

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Recovery of Copper from Reverberatory Copper Slag and ...

flotation to recover entrained copper contents. This technique produces a flotation concentrate copper ... Copper slag is +2a form of olivine, a magnesium, iron and silicate mineral with the formula (Mg , Fe+2) 2 SiO 4. The production of nano silica from the dissolution of olivine is an economic option when

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Copper Sulfide Flotation - Mineral Processing Metallurgy

Mar 19, 2017  The above flowsheet is designed for the treatment by flotation of copper as chalcopyrite with gold and silver values. The ore, ranging from 60-65% silica, with pyrite, arsenopyrite, and calcite with 3 to 4% copper. This flowsheet, though simple, is adequate for tonnages of 100 to 500 tons or more per day, depending on the size of equipment ...

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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 ...

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OUTOTEC FLASH SMELTING TECHNOLOGY

copper Slag Flash Smelting Feed Preparation Granulation Acid Plant Matte Grinding Casting Copper Refinery Flash Converting Fire Refining Granulation Slag Storage Area Slag Flotation Hot Gas Cleaning Hot Gas Cleaning Outotec Flash Smelting and Kennecott-Outotec Flash Converting process. 4 . 5 WORLD-LEADING AUTOMATION SOLUTIONS

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Enhancing the flotation recovery of copper minerals in ...

Currently, the slags are sent to a milling and flotation plant for liberation and recovery of residual copper. The copper recoveries realized in the plant are much lower than expected and it has been postulated that some copper minerals may be occurring in forms that are more difficult to float like oxides or fine disseminations in the gangue ...

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

Therefore, the aim of this study was to investigate the possibility of copper recovery from this slag using flotation method, and to determine the effective parameters involved in the process. Based on the experiments conducted, the best results were obtained for pH 11.5, 60 g/t Z 11 and R 407 collectors with a weighing ratio of 3-2, 40 g/t of ...

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