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Recovery of copper from copper smelter slag

  • 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 Reverberatory Copper Slag and

    2016-6-8 · Recently smelter copper slags stockpiled in dumps are being reprocessed by crushing, milling and Figure 4 shows that the copper recovery from the copper slag increases with an increase in acid concentration. An optimum recovery of copper is achieved at 70% H 2 SO 4. The reaction was carried out with no water addition.

  • 2-Recovery of Copper and Cobalt from Copper Slags as

    2017-12-19 · Recovery of Copper and Cobalt from Copper Slags as Selective 390 Table 2 Operating conditions for ICP-OES. Parameter Power (W) 1,450 Plasma gas flow rate (L·min-1) 15 Auxiliary gas flow rate (L·min-1) 0.2 Nebulizer gas flow rate (L·min-1) 0.8 Sample flow rate (L·min-1)

  • [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 Reverberatory Copper Slag and

    2016-6-8 · 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

  • The recovery of non-ferrous metals from secondary copper

    2013-7-18 · (1975). The recovery of non-ferrous metals from secondary copper smelter discard slags. Canadian Metallurgical Quarterly: Vol. 14, No. 2, pp. 183-190.

  • Recovery of copper from copper slag and copper slag

    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.

  • Recovery of copper, cobalt, and zinc from copper smelter

    2002-12-1 · Smelter slag and sulfur dioxide are the waste products of nonferrous pyrometallurgical processes. Dissolution behavior of Co, Cu, Fe, Ni, and Zn from smelter slag in aqueous sulfur dioxide has also been studied (Ahmed et al., 2000). Dissolution behavior of Cu is found to be fast, but subsequent precipitation lowers its dissolution.

  • Optimization of the flotation of copper smelter slags from

    2021-3-26 · 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. Most of the copper minerals present in the Namibia Custom Smelters slags are free sulphide minerals,

  • RECOVERY OF COPPER FROM SMELTING SLAG BY

    2015-11-11 · Recovery of copper from smelting slag by sulphation roasting and water leaching 411 Materials and experimental methods Experiments were conducted using a reverberatory furnace slag from the Bor Copper Concentrator, Serbia. The slag was sampled from the crushing line before entering the milling section of the concentrator.

  • Review of Copper Recovery Methods From Metallurgical Waste

    Sulfides of copper are then easily converted to soluble copper sulfate with roasting at 600 o C. Ziyadanogullari used this method to treat copper slag containing 2.4% copper. By sulfurization in closed system with 140 o C for 1 hour and then heating and roasting with 600 o C for 360 minutes gives better result for recovery of copper up to 99.2%.

  • (PDF) Recovery of Copper and Cobalt from Copper Slags as

    The converter slag from Ghatsila, India contained 4.03% copper, 1.99% nickel and 0.48% cobalt and the smelter slag contained 1.76% copper, 0.23% nickel and 0.19% cobalt.

  • COMPARATIVE RESULTS OF COPPER FLOTATION FROM

    2013-11-26 · COPPER FLOTATION FROM SMELTER SLAG AND GRANULATED SMELTER SLAG**** Abstract Smelter slag is obtained in the process of metallurgical converting of copper concentrate in the Smel-ter Plant in Bor, Serbia. Today, the reserves of this material are evaluated at about more of a year, with the average copper content of 0.6-0.9%.

  • Recover Copper from Reverberatory Furnace Slag

    2019-7-22 · 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%. eratory slag from the White Pine slag dump and most probably represents a wide variation in slag composition.

  • 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.

  • Base metals recovery from copper smelter slag by oxidising

    2002-12-1 · 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).

  • Recovery of Copper and Silver by Flotation from Smelting

    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. The effective factors such as particle size, the amount and type of collector were examined. The combination of the collectors was also examined. With the process utilized in this work, a copper concentrate of 26.47% Cu with

  • Recovery of value metals from copper smelter slag by

    2013-11-14 · Recovery of Zn, Cu, and Fe from the copper smelter slag was studied. Slag was treated with NH 4 Cl at 320 °C and product was subjected to water leaching.. Metal recoveries to the solution were 91.5% Zn, 89.7% Cu, and 88.3% Fe.

  • RECOVERY OF COPPER FROM SMELTING SLAG BY

    2015-11-11 · The reverberatory furnace slag that has been discarded in the vicinity of the Bor Copper Smelter, Serbia, is currently processed by flotation at the nearby Bor Copper Concentrator. The copper recovery was rather low (about 40%) mainly due to the presence of oxide copper and insufficient mineral liberation. In our previous work, we

  • 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

  • THE SUBMERGED ARC FURNACE (SAF) STATE OF ART IN

    2017-6-9 · and the MSEF slag will be granulated and discarded. Cobalt-Recovery from Copper-Smelter-Slags6 In January 2001, Chambishi Metals commissioned a 40 MW DC arc furnace using selective carbothermic reduction for processing reverberatory furnace slag stockpile of 20 million tons containing 0.34 to 4.5% cobalt, and an average of 1.1% copper.

  • Reductive-sulfurizing smelting treatment of smelter slag

    2017-12-29 · Recovery of copper and cobalt from smelter slag using reductive-sulfurizing smelting method was performed in this study. The effects of reductive agent (coke), sulfurizing agent (pyrite), slag modifier (CaO) and smelting temperature and duration on the extractive efficiencies of

  • Recovery of copper from granulated blast furnace slag

    2020-7-31 · Chemical compositions of the copper smelter slag and the slag flotation tailings Constituent Content (wt.%) Copper Slag Slag Flotation Tailings Cu total Cu oxides Cu sulphides SiO 2 Al 2 O.The furnace can be designed with effective working volume minimal m3, suitable for the recovery of anode slime, PM-containing smelting slag, lead

  • Recovery of copper from copper slag and copper slag

    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.

  • A Study on Reduction of Copper Smelting Slag by Carbon for

    Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 1.5 million tons of copper slag are generated annually in Korea. The oxides in copper smelting slag include ferrous (FeO), ferric oxide (Fe2O3), silica (SiO2 from flux), alumina (AI2O3), calcia (CaO) and magnesia (MgO). The main oxides in copper slag, which are iron oxide and

  • EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN THE

    2015-9-7 · Copper is present in a smelting slag from Teniente Converter (TC) in the form of mecha-nically entrained matte inclusions and dissolved copper. Copper recovery from the slag requires magnetite reduction to liberate matte inclusions and create conditions for co-reduction of dissolved cuprous oxide. Efficiency of copper recovery from the slag in an

  • Recovery of copper and cobalt from ancient slag - Gülay

    2018-2-14 · 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.

  • Recovery of copper from smelting slag by sulphation

    In this work extraction of copper and iron from a reverberatory furnace slag was studied. A two-step extraction procedure was followed. The first step was roasting of the slag in the presence of sulphuric acid at temperatures between 150 and 800 o C. The second step was leaching of the resulting calcine with distilled water.

  • 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 13 %. 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

  • 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.

  • Copper Recovery Through Smelter Slag Flotation in

    2021-2-3 · copper grade of 16,11% and copper recovery of 69,90% was achieved. The copper grade on tailings was only 0,2%. Another aspect that can affect both the milling and flotation of CS is the cooling behavior of the slag. Several researchers have reported that slow cooling of the slag can lead to an improvement in copper recovery because of the

  • Copper Smelting Slag Recycling Processing Line

    2020-7-27 · The copper smelting slag recycling line is the recovery line about copper granules from copper smelting slag, so crushing, vibrating screening, washing separation and dewatering shall be involved in the whole copper recovery flow sheet which is similar to a line of ore beneficiation. The specific copper recovering flow chart can be designed according to copper smelting slag.

  • The recovery of non-ferrous metals from secondary copper

    2013-7-18 · (1975). The recovery of non-ferrous metals from secondary copper smelter discard slags. Canadian Metallurgical Quarterly: Vol. 14, No. 2, pp. 183-190.

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