copper flotation from converter slags

How to Recover Copper from Slag by Flotation

2021-2-3  Flotation of Copper From Slow-Cooled Converter Slags. The results of flotation tests on slags cooled in air and in the induction furnace are shown in table 2-3. Examination of the data indicates that a relatively fine grind is required to liberate the entrained metallic particles. A 30-minute grind resulted in 98 percent of the pulp passing 200 ...

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Leaching of copper and zinc from copper converter slag ...

2012-5-1  Over 1.5 Mt of dumped slags, including converter slag flotation tailings, which contain up to 6000 t copper and 60,000 t zinc, are produced yearly by the copper-smelting plants of the Ural Mining and Metallurgical Company (UMMC) alone. Significant areas required for stockpiling of the slags and the products of their processing are unavailable ...

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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

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Leaching of copper and zinc from copper converter slag ...

Leaching of converter slag flotation tailings from the Svyatogor copper smeltery (Sverdlovsk region, Russia) by sulfuric acid solutions containing ferric ions was investigated.

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Recovery of copper from converter slags by flotation / -

Recovery of copper from converter slags by flotation / By Vernal E. Edlund, S. J. Hussey, Salt Lake City Metallurgy Research Center (U.S.). and United States. Bureau of Mines.

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Recovery of copper from converter slags by flotation / -

Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): hathitrust.org/acce... (external link) http ...

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Flotation of copper sulphide from copper smelter slag ...

2015-10-10  Various methods for copper recovery from the copper slags were reported with attention given to beneficiation, pyrometallurgical, hydrometallurgical, and mixed pyro and hydrometallurgical processes. However, among the various processing method, physical separation by froth flotation is widely applied and some researchers considered flotation as ...

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copper flotation from converter slags in italy

2020-9-27  Ebook Recovery of Copper From Converter Slags by Flotation . Copper smelting slags in the Bardeskan district with work index of kwhst were grinded for 65 minutes to reach an acceptable degree of freedom for the flotation tests with particle size of 80 smaller than 70 It should be mentioned that milling and flotation of converter slags to ...

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

2017-2-8  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 in solidified copper smelter slags

2018-9-8  Converter slags from slag blowing stages may contain copper few per cent up ot 20 w-%.t Smelter slags from high grade matte smel ting 1,2,3,4,5 contain as a rule consider ably more copper than could be expected on the base of results of equil ibrium measurements 6,7,8,9,10 (Fig. 1). Solubility of copper and ulpshur in iron silicate slags is

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PYROMETALLURGICAL RECOVERY OF COPPER VALUES

In recent years, there has been a move toward recovering copper from converter-type slags by milling and flotation. The term "converter-type slag" is intended to represent a slag that contains a high amount of magnetite (Fe 3 O 4) and a low amount of silica.

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Enhancing the flotation recovery of copper minerals in ...

2020-3-25  submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags. The copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the environment. Currently, the slags are sent to a milling and flotation plant for liberation and recovery of residual copper.

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如何用浮选法从矿渣中回收铜 - bepaly体育下载不了

2021-2-3  世界上大部分的铜产量是通过反射炉冶炼硫化铜浮选精矿,然后在转炉中将冰铜氧化成起泡铜生产出来的。转炉中产生的炉渣铜含量过高,不能送到排土场,只能返回反射炉以回收大部分的铜。

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(PDF) Enhancing the flotation recovery of copper minerals ...

PDF Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and... Find, read and cite all the research you ...

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Optimization of the flotation of copper smelter slags

2020-9-7  the recovery of copper minerals in copper smelter slags by means of froth flotation. Most of the copper minerals present in the Namibia Custom Smelters’ slags are free sulphide minerals, however a certain proportion is copper minerals that cannot be floated easily because they could

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Copper in solidified copper smelter slags

2018-9-8  Converter slags from slag blowing stages may contain copper few per cent up ot 20 w-%.t Smelter slags from high grade matte smel ting 1,2,3,4,5 contain as a rule consider ably more copper than could be expected on the base of results of equil ibrium measurements 6,7,8,9,10 (Fig. 1). Solubility of copper and ulpshur in iron silicate slags is

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RECOVERY OF COPPER FROM SMELTING SLAG BY

2015-11-11  slags on an industrial scale: (i) recycling of the converter slag to the smelting furnace, (ii) cleaning of smelting and/or converter slags in electric furnaces and (iii) flotation. Metallic copper and sulphide copper present in these slags can be floated very

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

2012-2-7  This technology is applicable to the recovery of nickel, cobalt, copper, and platinum group metals from furnace or converter slags emanating from copper or nickel smelters treating sulphide concentrates. Pilot-plant testwork at Mintek has demonstrated recoveries of 98% for nickel and over 80% for cobalt, at power levels of up to 600 kW.

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RECOVERY OF COPPER FROM COPPER SLAG AND

2014-9-8  Recovery of copper from copper slag and copper slag flotation tailings 75by oxidative leaching Table 1. Chemical compositions of the copper smelter slag and the slag flotation tailings Constituent Content (wt.%) Copper Slag Slag Flotation Tailings Cu – total 0.97 0.59 Cu – oxides 0.15 0.06 Cu – sulphides 0.82 0.53 SiO 2 33.75 34.62 Al 2 O

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Characteristic of Flotation for Recovery of Copper from ...

Abstract Almost all copper slags contain a considerable amount of Cu (0.5 - 3.7%) close to or even higher than copper ores. A number of methods for metal recovery from copper slag were reported These methods can be classified into three categories, flotation ...

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Enhancing the flotation recovery of copper minerals in ...

2020-3-25  submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags. The copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the environment. Currently, the slags are sent to a milling and flotation plant for liberation and recovery of residual copper.

Read More
copper flotation from converter slags in italy

2020-9-27  Ebook Recovery of Copper From Converter Slags by Flotation . Copper smelting slags in the Bardeskan district with work index of kwhst were grinded for 65 minutes to reach an acceptable degree of freedom for the flotation tests with particle size of 80 smaller than 70 It should be mentioned that milling and flotation of converter slags to ...

Read More
Copper in solidified copper smelter slags

2018-9-8  Converter slags from slag blowing stages may contain copper few per cent up ot 20 w-%.t Smelter slags from high grade matte smel ting 1,2,3,4,5 contain as a rule consider ably more copper than could be expected on the base of results of equil ibrium measurements 6,7,8,9,10 (Fig. 1). Solubility of copper and ulpshur in iron silicate slags is

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

2012-2-7  This technology is applicable to the recovery of nickel, cobalt, copper, and platinum group metals from furnace or converter slags emanating from copper or nickel smelters treating sulphide concentrates. Pilot-plant testwork at Mintek has demonstrated recoveries of 98% for nickel and over 80% for cobalt, at power levels of up to 600 kW.

Read More
RECOVERY OF COPPER FROM SMELTING SLAG BY

2015-11-11  slags on an industrial scale: (i) recycling of the converter slag to the smelting furnace, (ii) cleaning of smelting and/or converter slags in electric furnaces and (iii) flotation. Metallic copper and sulphide copper present in these slags can be floated very

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

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, was followed by the CEN/TS 14997 pH-static ...

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Characteristic of Flotation for Recovery of Copper from ...

Abstract Almost all copper slags contain a considerable amount of Cu (0.5 - 3.7%) close to or even higher than copper ores. A number of methods for metal recovery from copper slag were reported These methods can be classified into three categories, flotation ...

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

The slags cannot be discarded due to the high content of copper and hence they are sent to a milling and flotation plant (Slag Mill Plant) for liberation and recovery of copper. This work focuses on optimizing the recovery of copper minerals in copper smelter slags by means of froth flotation.

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Dore slag treatment - Noranda Mines Limited

The copper recovery from the converter slags will largely depend on this initial cooling treatment. The dore slag treated in accordance with the present invention is, of course, entirely different from converter slags. It essentially consists of silica-lead slags with very little iron in them and with no magnetite.

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