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flotation of copper slag in malaysia

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

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 ...

Tests on Copper Separation in Flotation from Copper Slags ...

The Influence factors of the matte smelting process,slag cooling method,cooling rate and slag composition on copper recovery in flotation are discussed is pointed out that slag cooling method and cooling rate are the main factors that affected the flotation recovery from copper slag.Taking sodium silicate as dispersant and inhibitor,and butyl xanthate and P3 as combinatorial collector ...

COMPARATIVE RESULTS OF COPPER FLOTATION FROM …

2013-11-26 · 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%.

Flotation of copper sulphide from copper smelter slag ...

Roy et al. (2015) tested different mixtures of collectors for the flotation of a slag containing copper, iron and silicon. The authors pointed out the need for fine grinding (d 80 = 75μm) for ...

The pH-dependent leaching behavior of slags from various ...

2017-2-1 · The leaching behaviors of primary copper (Cu) slags originating from Ausmelt, reverbatory, and converter furnaces operating under a single technological process were compared to a residual slag tailing obtained by slag re-processing via flotation and metal recovery. The EN 12457-2 leaching test, used for assessment of the hazardous properties ...

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 ...

Copper slag

2021-8-8 · Explore most profitable Copper slag buyers in Malaysia from 2 active and genuine Malaysia importers buying Copper slag globally with prices, volume & current suppliers of Copper slag.

Recovery of Copper from Reverberatory Copper Slag and ...

2016-6-8 · possible option. The copper slag contains a high content of silica and iron. The solution final pH is the most important factor affecting the removal of iron and silica from the leach solution and the overall metal recovery. Fe removal from the leaching of copper slag is done by the formation of …

Study of the micromorphology and health risks of arsenic …

2021-5-12 · Slag tailings are produced by "cooling-grinding-ball milling-flotation" and other processes of slag, while slag is produced by the flash smelting of the original ore. The utilization and environmental hazards of arsenic in slag tailings have become a focus of ...

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

2017-2-8 · 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. Consequently, flotation was attempted to recycle Cu in slag containing copper sulphide components.

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

2013-7-1 · The converter slag from a smeltery in Daye contains 2.01% copper. The floatability of copper has a significant influence on the flotation of converter slag. Flotation tests, contact angle tests and FTIR were conducted to assess the influences of pH and different flotation concentrators on its hydrophobic process, mechanism and flotation.

Entrainment behavior of copper and copper matte in …

1992-6-1 · In copper smelting, the loss of copper to the slag due to entrainment is largely influenced by the flotation of copper metal and/or matte in the slag phase. To evaluate this behavior, the surface tension of copper as a function of temperature and oxygen pressure and the interfacial tension of the copper-iron matte-slag system as a function of matte grade were measured. From the surface and ...

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

2013-6-5 · 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 ...

THE EFFECT OF COOLING RATE OF SLAG FROM …

2015-4-5 · 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 …

(PDF) Potentials of steel slag and copper mine tailings as ...

The extraction degree after more than 20 min of the roasting varied in the approximate ranges of 50-70% for Zn, 45-70% for Cu and 0.01-10% for Fe. The best results were the extraction of 69.2% Cu ...

Recovery of copper from Khetri slag flotation tailings ...

The slag flotation mill at the Khetri Copper Project in Rajasthan currently dumps tailings containing on an average 0.2-0.4% Cu. Characterization studies have been made on these tailings to understand the nature, distribution and type of locking-up of the Cu-bearing mineral. A sulfuric acid leaching process for recovering Cu from Khetri dump slag tailings is discussed.

SUSTAINABILITY OF COPPER SLAG PROCESSING FROM …

2016-6-30 · Flotation is an important technology to recover copper from copper slag. There are a few industrial flotation facilities for treatment of copper slag, such as: Magma Copper San Manual facility, USA, Altonorte Flotation Plant, Chile, Outokumpu facility, Finland, Mount Isa …

THE EFFECT OF COPPER CONTENT IN THE MATTE ON …

2012-2-2 · copper content in the matte, distribution coefficient between slag and matte for Cu, Zn and Pb increases, for Ag and Se decreases, while for Ni, As and Sb has an insignificant change. Au and Bi are almost entirely concentrated in the matte. Key words: copper concentrates, smelting, L S/M Me, matte, slag. #C o re sp nd ig au th : z vk [email protected] .b J ...

RECOVERY OF COPPER FROM COPPER SLAG AND …

2014-9-8 · 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.

Flotation of copper sulphide from copper smelter slag ...

2015-10-10 · 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.

Enhancing the flotation recovery of copper minerals in ...

2020-1-1 · 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 ...

Mineralogical and morphological factors affecting the ...

2021-1-5 · The flotation process enriched copper in the slag concentrate, compared with FSF slag, in addition to the significant increase in copper grade (about 21.55 %), the As and Cd grades also increased significantly and the Ni and Pb grade increased slightly. Although the Zn, Cr and Fe grade decreased, the iron content in the concentrate was still ...

Recovery of copper from copper slag and copper slag ...

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. Thus, copper and iron extractions were 63.4% and 48.6%, respectively, when leaching the slag with 3 M H2O2, after 120 minutes of reaction at room temperature.

[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.

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.

Recovery of Copper from Slow Cooled Ausmelt Furnace …

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.

The effect of primary copper slag cooling rate on the ...

Technological procedure of slow cooling slag from primary copper production is applied in the purpose of copper recovery in the level of 98.5% to blister. This technological procedure is divided into two phases, first slow cooling of slag on the air for 24 hours, and then accelerated cooling with water for 48 hours. Within the research following methods were used: calculation of nonstationary ...

2-Recovery of Copper and Cobalt from Converter Slag …

2018-8-20 · 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 40 to …

Mineralogical and morphological factors affecting the ...

Separating copper and arsenic has always been a major problem in the copper slag flotation process, which influences copper slag utilization and the environmental safety. A comparative study of flash smelting furnace (FSF) slag and its flotation products (concentrate and tailing) reveals the factors …