copper flotation from converter slags

slags,slags--

Tests on Copper Separation in Flotation from Copper Slags of a Smelting Plant Methods for manufacturing glass ceramics from blast furnace slags …

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

2012-2-7 · 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).

Industrial Tests to Modify Molten Copper Slag for ...

2017-11-27 · Closed-circuit flotation tests of the original and modified slags were conducted, and the results show that the copper recovery increased obviously from 69.15% to 73.38%, and the copper grade of concentrates was elevated slightly from 20.24% to 21.69%, further confirming that the industrial tests of the modification process were successful.

(PDF) Recovery of Copper and Cobalt from Converter Slag ...

The recommended technological parameters for leaching of copper (the most important component) from converter slag flotation tailings are: pulp density of …

An overview of recovery of metals from slags.

2003-1-1 · An overview of recovery of metals from slags. ... such as crushing, grinding, magnetic separation, eddy current separation, flotation and so on, leaching or roasting, it is possible to recover metals such as Fe, Cr, Cu, Al, Pb, Zn, Co, Ni, Nb, Ta, Au, and Ag etc. from the slags. ... Pressure leaching of copper converter slag using dilute ...

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 ...

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.

Factors affecting nickel recovery from slags produced ...

2009-8-26 · the classifier. Samples of flotation feed, flotation concentrates and tailings were also collected early in 2000, and again in 2003, in order to identify recovery problems at the slag plant. ANDREWS, L. Factors affecting nickel recovery from slags.produced during platinum smelting VII International Conference on Molten Slags Fluxes and

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

Optimization of the flotation of copper smelter slags …

2021-3-26 · 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 …

How to Recover Copper from Slag by Flotation

2021-2-3 · The bulk of the world''s output of copper is produced by smelting copper sulfide flotation concentrates in reverberatory furnaces, followed by oxidizing the matte to blister copper in a converter. Slags produced in the converter are too high in copper to be sent to the dump and are returned to the reverberatory furnace for recovery of most of ...

Enhancing the flotation recovery of copper minerals in ...

2020-1-1 · 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 copper content of the slags range between 0.8 to 5 wt. % and this is considered too high for disposal to the environment.

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

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

Enhancing the flotation recovery of copper minerals in smelter sla…

Recovery of Copper and Cobalt from Converter Slags via ...

2021-3-22 · Recovery of Copper and Cobalt from Converter Slags via Reduction–Sulfurization Smelting Using Spent Pot Lining as the Reductant ACS Sustainable Chemistry & Engineering ( IF 8.198) Pub Date : 2021-03-12, DOI: 10.1021/acssuschemeng.1c00444

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

slags,slags--

Application of optical basicity to metallurgical slags was discussed.。 Tests on Copper Separation in Flotation from Copper Slags of a Smelting Plant

Development of a Flowsheet for Recovering Copper and …

2015-12-27 · 1990). Pyro-hydrometallurgical methods are also used for the treatment of copper converter flue dusts and copper refining slags (taken from Sarkuysan A.S., Turkey) (Geveci et al., 2000; Yıldız et al., 2000). Alkali roast-acid leach process is reported in the literature for recovering metals from converter slag (Das et al., 1999).

(PDF) Recovery of Copper and Cobalt from Converter Slag ...

The recommended technological parameters for leaching of copper (the most important component) from converter slag flotation tailings are: pulp density of 30% (w/v), pH 1.5, temperature of 70 °C ...

Biorecovery of copper from converter slags: Slags ...

DOI: 10.1016/J.HYDROMET.2008.12.012 Corpus ID: 96545492. Biorecovery of copper from converter slags: Slags characterization and exploratory ferric leaching tests @article{Carranza2009BiorecoveryOC, title={Biorecovery of copper from converter slags: Slags characterization and exploratory ferric leaching tests}, author={F. Carranza and R. Romero …

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.

Dore slag treatment

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 …

[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.

Reclamation of Cobalt and Copper from Copper Converter …

2003-8-1 · Reclamation of Cobalt and Copper from Copper Converter Slags. Tong Deng. Chinese Academy of Sciences, Institute of Process Engineering PO Box 353, Beijing, PR China 100080. Search for more papers by this author. Yunhan Ling.

SUSTAINABILITY OF COPPER SLAG PROCESSING FROM …

2016-6-30 · Pb, Zn, Co, Ni, Nb, Ta, Au, and Ag etc. from the copper slags. (Shen and Forsberg, 2003). Some of these methods were briefly reviewed by Gorai et al. (2003). Flotation is an important technology to recover copper from copper slag. There are a few industrial flotation facilities for treatment of copper slag, such

DETERMINATION OF THE BEHAVIOUR OF VALUABLE …

2017-6-9 · Copper Slag Processing: controlled cooling of copper slags prior to flotation treatment Leandro Voisin 1,2, Camila Pizarro 1,2, Julio Ossandón1,2 Results and Discussion The main phases and their corresponding composition results obtained by using QXRD normalized to 100 wt% for the slags doped with 2.4 wt% of Mo and 200

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 45 million tons are historically cumulated [1].