copper slag process

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

A smelting plant in Bor extract copper from copper ores and copper concentrates by a pyro metallurgical process. During years of operation, a considerable amount of copper slag has been generated ...

What is a Copper Slag? (with pictures)

Copper slag is a by-product created during the copper smelting and refining process. As refineries draw metal out of copper ore, they produce a large volume of non-metallic dust, soot, and rock. As refineries draw metal out of copper ore, they produce a large …

Copper Slag

What is a Copper Slag? (with pictures) - InfoBloom

Life Cycle Assessment of Recycling Copper Process from ...

Copper-slag recycle copper process includes crushing, milling, flotation, dehydration. Environmental impact single data of each process stage is 0.0168, 0.0200, 0.0615, 0.0279, total environmental ...

Characteristics and chemical speciation of waste copper slag

2021-1-6 · The compositions of waste copper slag are similar, which mainly are silica, alumina, calcia, and iron oxides. However, the content of compositions in slag varies because of different smelting process or raw materials adapted. Due to the depletion of the waste copper slag with the flotation process, the content of Cu in this slag is low.

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 COPPER FROM COPPER SLAG AND …

2014-9-8 · Keywords: copper slag, copper slag flotation tailings, leaching, sulphuric acid, ferric sulphate, hydrogen peroxide Introduction The pyrometallurgical processing of copper concentrates generates large amounts of copper-containing slag. Management options for this slag include recycling, recovery

Copper Slag

Copper slag, or fayalite slag, is a by-product obtained during the matte smelting, converting and refining of copper (Fig. 7.11). 54,59 It has been estimated that for every tonne of copper produced, about 2.2 tonnes of slag is generated, 60 as a consequence of the relatively low grades of …

Copper losses to slags obtained from the El Teniente …

2009-8-26 · COPPER LOSSES TO SLAGS OBTAINED FROM THE EL TENIENTE PROCESS 179 the slag reduction by injection of a solid, liquid or gaseous reductant directly into the molten slag with following settling stage, produce slag with low magnetite and copper oxide contents. Copper losses in slags The pyrometallurgical extraction of copper from copper

THE EFFECT OF COOLING RATE OF SLAG FROM …

2015-4-5 · Mihajlović - The effect of cooling rate of slag from primary copper production … 129 In Table 1 an overview is given of copper content in flotation tailings in smelters which process slag by flotation. Table 1. Copper content in flotation tailings in different smelters Smelter %Cu Almalykskii, Russia 0,27 Garfield, USA 0,48 Guixi, China 0,50

Alternative Reduction of Copper Matte in Reduction …

The recovery body of copper slag was mainly copper matte, returned to smelting process of copper by means containing acid leaching, flotation recovery and depletion recovery. 3,7,8) Copper slag contains large amounts of fayalite, direct magnetic separation of iron recovery is limited. Recycling method for Fe is mainly roasting-magnetic ...

Copper matte

2018-12-27 · oxygen ions in the slag. 1.3 Thermodynamics of Copper Matte-Slag Interactions in Flash Smelting Thermodynamically, the matte-slag reactions in the smelting process are best described through the phase diagram by Yazawa and Kameda [30], shown in …

Recycling of Copper

2021-7-19 · Where copper and copper alloy scraps are very contaminated and unsuitable for simple remelting, they can be recycled by other means to recover the copper either as the metal or to give some of the many copper compounds essential for use in industry and agriculture. This is the usual practice for recovery of useable copper in slag, dross or mill ...

Alternative Reduction of Copper Matte in Reduction …

This process is that copper slag with high amounts of matte depleted, tailings reduced to smelt copper antibacterial stainless steel, matte back to copper process. It can achieve the purpose of depleted copper slag, and maxi-mize the use of slag to obtain the highest value products.

PROPERTIES AND EFFECTS OF COPPER SLAG IN CONCRETE

2016-4-11 · copper slag is very low as compared with the natural sand and it affects on workability of concrete. Results from specific gravity and water absorption tests revealed that copper slag has a specific gravity of 3.30 which is higher than that of sand, whereas …

(PDF) Review of utilisation of copper slag in highway ...

Copper slag which is produced during the smelting process of copper contains materials like iron, alumina, calcium oxide, silica, etc. For every tonne of metal production about 2.2 tonne of slag ...

-Progress in Comprehensive …

2020-11-11 · Pyrolysis process can only effectively recover part of copper in copper slag, and copper residue in depleted slag is still 0.5% above. Using molten copper smelting slag to moderately deplete-eddy current smelting reduction to prepare copper-containing

New residue-free processing of copper slag from smelter ...

2021-9-21 · Copper slag has been suggested to be potentially useful as catalysts for mercury oxidation in coal combustion flue gas, oxygen carrying agent (Deng et al., 2019), abrasive agent for metal surface ...

The use of waste, fine-grained carbonaceous material in ...

2021-3-15 · The efficiency of the process was determined on the basis of the degree of copper removal from primary slag, determined by the relationship: ξ = C C u 0 − C C u t C C u 0 ⋅ 100 % where: C 0 Cu – initial concentration of copper in the slag, wt.%, and C t Cu …

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

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.

Copper Slag

2019-8-3 · Copper slag is an abrasive blasting grit made of granulated slag from metal smelting processes (also called iron silicate). Copper slag is a by-product created during the copper smelting and refining process. Copper slag is a by-product obtained during the production of copper metal, which can be used as pozzolana in the production of cementing ...

Recovery of Copper from Reverberatory Copper Slag and ...

2016-6-8 · dumped slag. The typical process uses crushing, milling and flotation. These operations create excessive liner wear rates during crushing and milling because the bond work index of copper slag is 22 kWh/t and this is considered a very hard slag. The process also has reduced flotation recoveries and requires high flotation reagent consumption.

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

Behavior of copper and lead during mineralurgical and ...

2021-2-13 · There are only a few smelters processing copper concentrates directly into blister copper. Despite the many advantages of this process, a serious challenge of this technology is the need to process the resulting flash smelting slag. It contains 12–15% copper and 2.5–4% lead. In this form, it cannot be considered as waste material and, therefore, a high-temperature reduction process is ...

What is a Copper Slag? (with pictures)

Copper slag is a by-product created during the copper smelting and refining process. As refineries draw metal out of copper ore, they produce a large volume of non-metallic dust, soot, and rock. Collectively, these materials make up slag, which can be used for a …

Magnetic copper smelter slag as heterogeneous catalyst …

Copper smelting slag (CSS) is a solid waste produced from the pyro-metallurgical copper production. It is estimated that approximately 2.2–3 tons of CSS are generated for …

Life Cycle Assessment of Recycling Copper Process from ...

2009-10-18 · Copper-slag recycle copper process includes crushing, milling, flotation, dehydration. Environmental impact single data of each process stage is 0.0168, 0.0200, 0.0615, 0.0279, total environmental impact single data of copper-slag is 0.1262.