Copper Recovery From Slag In Slovenia

PHYSICOCHEMICAL CHARACTERIZATION OF COPPER …

2013-7-23 · recovery. The copper analysis remaining after conventional slag cleaning can be close to 1% while molybdenum is sometime found in a range of 0.2 to 0.4%, depending on kind of mineral treated and technology used. These concentrations are higher in some cases than the analysis of the original ore and thus may warrant recovery by retreatment.

The Hydraulic Roller Press offers cost-saving grinding ...

The Hydraulic Roller Press has the capability to grind raw material, cement clinker or slag and is suitable even for dry feed materials and there is no need to add water to the roller press while processing. Improve production while reducing energy consumption. The flexible Hydraulic Roller Press is suitable for both upgrades and new ...

Recovery of iron from copper slag via modified roasting in …

2021-6-11 · Recovery of iron from copper slag via modified roasting in CO–CO 2 mixed gas and magnetic separation Ping‑guo Jiang 1,2, Jin‑sheng Liu 2, Yi‑yu Xiao 2, Xiao‑heng Tan 2, Wen‑jie Liu 2 1 School of Materials Science, Shanghai Dianji University, Shanghai 201306 ...

A fundamental study on the molybdenum recovery from …

N2 - Copper smelting slag has been produced in large quantities every year all over the world. The slag contains various value metals, such as molybdenum, iron, copper, and zinc. However, it is difficult to economically recover these metals from the slag since it is rapidly cooled into an amorphous structure in granulation water.

The Influence of the Carbon Surface on the Rate of …

2016-3-22 · The attempt in early investigation on copper recovery from the slag of di-rect-to-blister process [20] to establish a relation between reduction rate and the reducer surface has failed, be-cause of foaming of the investigated slag. However, not all the slags exhibited the tendency for foaming, and it

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

EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN …

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

(PDF) USE OF COPPER SLAG AS SUSTAINABLE AGGREGATE

Copper slag, a by-product of the pyrometallurgical process used for obtaining copper from copper ore in Bor, Serbia, contains mainly silicon, iron, calcium, and aluminium oxides. Due to such ...

Recover Copper from Reverberatory Furnace Slag

2019-7-22 · Recover Copper from Reverberatory Furnace Slag. 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 …

Copper Slag for the Recovery of Metals and Valorisation …

2020-8-3 · minerals Article E ciency of Chemical and Biological Leaching of Copper Slag for the Recovery of Metals and Valorisation of the Leach Residue as Raw Material in Cement Production Päivi Kinnunen 1,*, Jarno Mäkinen 1, Marja Salo 1, Ratana Soth 2 and Konstantinos Komnitsas 3 1 VTT Technical Research Centre of Finland Ltd, Visiokatu 4, 33101 Tampere, Finland; …

Copper losses to slags obtained from the El Teniente …

2009-8-26 · • Slag cleaning directed to recover copper from the slag produced during the smelting and partial converting steps. In the particular application of the process at Caletones Smelter, wet concentrate with about 8 wt.% moisture is received from Colón and Andina Concentrator Plants and

Slag/Dross Recovery-

The commonly-seen slag/dross/residue includes copper dross, lead dross, tin slag, zinc leaching residue, antimony/arsenic dross, cadmium residue/cake, sulfur residue/cake, vanadium slag, nickel slag, iron tailing and iron bearing red-mud waste.Metalcess is a professional company offering metal extracting/ recovery/ recycling solutions. We have rich experience in slag treatment.

voestalpine Böhler Welding

2021-8-31 · Copper coated seamless cored wire Dependable feedability Dependable arc ignition Wide parameter box Low amount of silicates Easy slag removal High weld metal recovery User benefits Low risk of HAC Excellent current transfer Less contact tip wear ...

US3666440A

copper is recovered from copper-containing slag by putting the matte and slag in a molten state together in a slag treating furnace at a volume ration of more than 1:5, the melts in the furnace being maintained under agitation so that the slag and matte are in intimate contact so as to efficiently transfer copper from the slag to the matte.

Minimization of Copper Losses in Copper Smelting Slag ...

2012-9-21 · In the quest to achieve the highest metal recovery during the smelting of copper concentrates, this study has evaluated the minimum level of soluble copper in iron-silicate slags. The experimental work was performed under slag-cleaning conditions for different levels of Fe in the matte and for a range of Fe/SiO2 ratios in the slag. All experiments were carried out under conditions where …

Reductive-sulfurizing smelting treatment of smelter slag ...

2017-12-29 · reduction of metallic iron was evident when copper and cobalt levels in the slag fell below a lower value [18 ]. This diluted the copper and cobalt levels in the matte and changed the properties of slag and eventually reduced the recovery of copper and cobalt. Y. Li et al. / JMM 54 (1) B (2018) 73 - …

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).

RECOVERY OF PIG IRON FROM COPPER SMELTING SLAG …

Copper slag is a by-product obtained during smelting and refining of copper. Copper smelting slag typically contains about 1 wt.% copper and 40 wt.% iron depending upon the initial ore quality and the furnace type. Main components of copper slag are iron oxide and silica. These exist in copper slag mainly in the form of fayalite (2FeO ·SiO2).

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.

COMPARATIVE RESULTS OF COPPER FLOTATION FROM …

2013-11-26 · copper content in the ore of copper depos-its, which are nowadays in exploitation. Slags, obtained by metallurgical treatment of copper, usually with different methods of preparation and concentration, are treated for recovery of copper. Smelter slag of reverberatory furnace is obtained in the process of metallurgical con-

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) …

OMAN ABRASIVES LLC

2014-6-4 · Copper slag is generated out of copper concentrate while extracting copper in the copper smelting units. It is composed of ferrosilicate material and oxide when the slag is quenched in the cold water. This process makes the slag into a granule form resulting coarser and angular particles.

Oxygen combustion technologies

2016-7-21 · Copper and its alloys melting vvv Lead melting vv Aluminum melting vv Cement v Glass melting vvv Glass polishing v Frits melting vv Ladle preheating vv Waste incineration vv v v Precious metals recovery vv v v Thermal recovery of sands vvv OXY-FUEL BURNERS Type Melting furnace Firing rate min-max MW Cooling requirements (water) Flameless ...

slag_

2019-9-10 · Study is made of Ga recovery process from ISP or fuming furnace granulation slag (ISP)。 2、,,,,,。

Iron recovery from copper-slag with lignite-based direct ...

By using DR followed by a magnetic separation process for iron recovery from copper slag, Yang [10] obtained iron powder of 92.05% iron content with an iron recovery rate of 81.01%, and Wang [11 ...

Recovery of Copper from Reverberatory Copper Slag and ...

2016-6-8 · The optimum digestion temperature is 250oC, at which a high recovery of copper from copper slag is achieved. Figure 7. Copper in the residue at various digestion temperatures. Effect of Digestion Time at 250oC Figure 8 shows that 2 hours of digestion at …

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 ...

Copper Recovery Through Smelter Slag Flotation in …

2021-4-15 · 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 ...

RECOVERY OF METALS FROM COPPER CONVERTER SLAG …

2013-7-18 · The leaching kinetic of copper from converter slag was also investigated. The results indicated that increasing the time and temperature have positive effects on the extraction of metals. The best results were obtained by the leaching of converter slag (-200 mesh, 10 g/L of slag/solution ratio) with a lixiviant containing 0.25 M H 2 SO 4 and 0 ...

Carbon Raiser | Recarburiser (Recarburizer) | Desulco ...

Desulco® recarburiser contains no dust, low ash and sulfur, and consistently low gas levels. The result is rapid dissolution, maximum carbon recovery and minimal additions to the melt, which saves time and money lost due to scrap. Desulco® is the most cost effective carbon raiser additive available.

Leaching and recovery of zinc and copper from brass slag ...

2016-9-1 · The recovery percent was found to increase and reached a maximum of 93% and 9%, at liquid/solid mass ratio 5/1 for Zn and Cu, respectively, Fig. 4. Download : Download high-res image (88KB) Download : Download full-size image; Figure 4. Effect of liquid solid ratio on the recovery of zinc and copper from brass slag.

(PDF) Recovery of metal values from copper smelter slags ...

Pressure leaching of copper converter slag using dilute sulphuric acid for the extraction of cobalt, nickel and copper values. Hydro- metallurgy, 10:305-312. 4 Anand, S., Kanta Rao, P. and Jena, P.K., 1980. Recovery of copper, nickel and cobalt from copper converter slag through ferric chloride leaching. Hydrometallurgy, 5:355-365.

Hydrometallurgical stepwise recovery of copper and zinc ...

2020-11-1 · A new process for recycling zinc and copper from the smelting slag of waste brass was investigated in this study. The zinc and copper present in the smelting slag were dissolved in a ZnCl 2 –NH 4 Cl solution system. To recycle copper, the lixivium was purified by a novel method termed as electrochemistry and chemistry synergetic (ECS) purification.

Latest results of the slag cleaning reactor for copper ...

2008-11-1 · Copper recovery from primary smelter slag consists of the removal of mechanically entrained copper matte and metallic copper inclusions, formed during reduction of dissolved cuprous oxide. After the relatively fast separation of larger matte inclusions the system can be seen as a suspension of liquid matte and liquid metallic copper in liquid slag.

SLAG PROCESSING PROJECT

2019-2-28 · Copper recovery from the slag is expected to consist of o Loading of slag into 30t trucks carried out by Anglo 55 York St., Suite 401 Toronto, ON, M5J 1R7 Tel 647-632-3444. 2 Camrova Resources Inc. 55 York St, Suite 401

Recovery of Copper from Copper Slag by …

2021-8-26 · Recovery of copper by electrochemical technique from dross scrap of the state Company for Electrical Industries was studied by [9]. After many chemical process he was recovered 43.75% Cu from dross scrap with purity 99.9967%. Hydrometallurgical method to recovery copper, zinc and cobalt, from copper smelter slag in the presence of

Recovery of cobalt from slag in a DC arc furnace at ...

2012-2-7 · Aside from the contained cobalt and copper, the feed slag contains an average of about 20% total Fe, 43% SiO 2, 8% Al 2 O 3, 8% CaO, 3% MgO, 3% K 2 O, and 0.6% S. The flowrate of the slag and flux mixture, and the addition of coal at the correct ratio (about 4% of the mass of the slag) are maintained by the control system.

Recovery of metal values from copper slag and reuse of ...

2017-12-1 · Recovery of copper from copper slag by physical beneficiation using froth flotation was studied by Sarrafi et al. (2004). They used mercaptobenzothiazole (MBT) collector to recover the copper from the ground copper slag and indicated that a slow-cooled slag would be more favorable for better copper recovery.

Copper Smelting

2021-1-13 · The slag composite is higher than the clean slag, owing to its containing matte from slag cleaning that ran out with the slag since no provision was made to tap it separately. The low recovery of metallic copper was typical, owing to copper losses, in this case 24.4 percent as shown in the unaccounted column.