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equipment used in the recovery of iron from copper slag

RECOVERY OF IRON FROM COPPER FLASH SMELTING SLAGS

Recovery of Iron from Copper Flash Smelting Slags Figure 3 shows the rapid decreasing of copper content in the slag during the first 15 min-utes with the graphite rod introduced into the melt, while the iron concentration is main-tained almost constant over same period of time, suggesting that a

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Recovery of metal values from copper slag and reuse of

Carbothermal reduction at elevated temperature (near 1440°C) helped recover a majority of the metal values (e.g., Fe, Cu and Mo) into the iron-rich alloy product which can be a feed material for steel making. On the other hand, the non-metallic residue, the secondary slag, can be used in the glass and ceramic industries.

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Recovery of Iron from Copper Slag Using Coal-Based Direct

The Fe3O4 and Fe2SiO4 in copper slag were successfully reduced to metallic iron by coal-based direct reduction. Under the best reduction conditions of 1300 °C reduction temperature, 30 min reduction time, 35 wt.% coal dosage, and 20 wt.% CaO dosage (0.75 binary basicity), the Fe grade of obtained iron concentration achieved 91.55%, and the Fe recovery was 98.13%.

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Recovery of iron from copper slag by deep reduction and

Nov 20, 2013· Aiming at recovering iron from high-iron-content copper slag, this article introduced a combination technology of deep reduction and magnetic beneficiation, investigated the iron recovery efficiency and optimized the technical conditions. When coke powder with 86wt% fixed carbon was used as a reductant, iron was successfully extracted from the copper slag.

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equipment used in the recovery of iron from copper slag

copper slag recovery equipment sourena.de. the slag cannot be effectively utilized. Main methods in use for iron recovery from copper slag include direct beneficiation for iron recovery [3], oxidative modification [4,5] of iron oxide for iron recovery, smelting reduction for iron recovery [6,7], and direct reduction (DR) for iron recovery [8

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Iron Recovery from Discarded Copper Slag in a RHF Direct

By using DR followed by a magnetic separation process for iron recovery from copper slag, Yang obtained iron powder of 92.05% iron content with an iron recovery rate of 81.01%, and Wang obtained iron powder of 92.96% iron content with an iron recovery rate of 93.49%. Both of their tests have achieved good results.

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Recovery of value metals from copper smelter slag by

Nov 14, 2013· Fig. 7 shows a proposed process flowsheet for the copper, zinc, and iron recovery from copper smelter slag of Balkhash copper plant. In this process, crushed slag, with ammonium chloride in a weight ratio 1:2 is subjected to heat treatment for 120 min at 320 °C.

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A physico-chemical separation process for upgrading iron

Nov 14, 2013· A large amount of waste copper slag containing about 35–45 wt.% iron is generated every year from pyrometallurgical processes for producing copper from copper concentrate.Recovery of iron from the waste copper slag is of great interest for comprehensive use of mineral resource and reduction of environmental problems.

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Management of copper pyrometallurgical slags: giving

materials from copper slag. Recovery of copper, molybdenum, precious metals, silica and iron, that is the most abundant component of the slag, are the goals for this research. Metals, commercial compounds, alloys and different forms of iron oxides for steel industry are proposed products.

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Precious metal recoveries in secondary copper smelting

Dec 31, 2019· Waste electrical and electronic equipment (WEEE) represents a significant urban resource for precious metals. To maximize the recoveries and sustainable use of these metals, their behavior needs to be characterized in the secondary copper smelting of WEEE. The current study experimentally determined the distributions of gold, silver, platinum and palladium between copper

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Copper slag selection process and equipment Prominer

There are usually only two types of recovery equipment for the copper in the copper slag of the beneficiation equipment, one is the more common jig equipment, and the other is the shaker. The jig is mainly used to recover copper smelting slag with uneven thickness, and the beneficiation equipment shaker is mainly used to recover fine copper.

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Recovery of iron from copper slag by deep reduction and

Nov 20, 2013· Aiming at recovering iron from high-iron-content copper slag, this article introduced a combination technology of deep reduction and magnetic beneficiation, investigated the iron recovery efficiency and optimized the technical conditions. When coke powder with 86wt% fixed carbon was used as a reductant, iron was successfully extracted from the copper slag.

More

Iron Recovery from Discarded Copper Slag in a RHF Direct

By using DR followed by a magnetic separation process for iron recovery from copper slag, Yang obtained iron powder of 92.05% iron content with an iron recovery rate of 81.01%, and Wang obtained iron powder of 92.96% iron content with an iron recovery rate of 93.49%. Both of their tests have achieved good results.

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Recovery of value metals from copper smelter slag by

Nov 14, 2013· Fig. 7 shows a proposed process flowsheet for the copper, zinc, and iron recovery from copper smelter slag of Balkhash copper plant. In this process, crushed slag, with ammonium chloride in a weight ratio 1:2 is subjected to heat treatment for 120 min at 320 °C.

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US3868440A Recovery of metal values from copper slag

A hydrometallurgical process for treating slag material, especially copper smelter slag material, comprises vigorously mixing the slag material with about one part by weight of sulfuric acid and about one part by weight of water for each part by weight of the slag material, and allowing the resulting mixture to react to produce a dry, solid material, containing the metal values of the slag in

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(PDF) Recovery of metal values from copper slags by

This discarded slag contains important amounts of metallic values such as copper and iron. The recovery of copper values from an Indian smelter slag that

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Copper Blast Furnace Smelting-Copper-

1. Wide adaptability to raw material, from iron, copper, copper-nickel, zinc, lead and zinc-lead complex concentrate; 2. Application of rich-oxygen air blast offers high smelting temperature, enhances hearth capacity and generates high concentration SO 2 gas suitable for sulfuric acid-making; 3.

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

Mintek has been working on the recovery of cobalt, and the associated valuable metals, from slags, since 1988, using DC-arc furnace technology to effect selective carbothermic reduction of the oxides of cobalt, nickel, copper, (and zinc, where present), while retaining the maximum possible quantity of iron as oxide in the slag.

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Management of copper pyrometallurgical slags: giving

materials from copper slag. Recovery of copper, molybdenum, precious metals, silica and iron, that is the most abundant component of the slag, are the goals for this research. Metals, commercial compounds, alloys and different forms of iron oxides for steel industry are proposed products.

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Environmental Guidelines for Copper Smelting

Discard slag may contain 0.5-0.7% copper and is frequently used as construction material or for sandblasting. Leaching processes produce residues while effluent treatment results in sludges which can be sent for metals recovery. The smelting process typically produces less than three tons of solid waste per ton of copper produced.

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WO2015143574A1 Method for recovering copper, molybdenum

The invention relates to a method for recovering copper, Mo, Fe, Pt, Au, Ag, Zn, Ni, Sn, Co, U, Re, Ge, Se, rare earth metals and any other metal from the Periodic Table of the Elements present in the slag content, obtained from the slag produced by copper smelting such as in the fusion and conversion of slag, from reverberatory furnaces, and especially the Teniente converter and Pierce-Smith

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Metallurgical recovery of metals from electronic waste: A

Oct 30, 2008· High recovery of copper and precious metals., Upgrading in copper converter and refining; Precious metals refining for recovery: Test at Rönnskår Smelter: Copper and precious metals: PC scrap feeding to Zinc Fuming process (1:1 mixture with crushed revert slag); Almost complete recovery of copper and precious metals in the Zinc Fuming process.

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Metalcess-works for metal cycle from ore extraction to

Copper cathode production line from copper anode, tailored for small & medium capacity, provides more flexibility to investors! Waelz Kiln Metalcess provides Waelz Kiln for the recovery of zinc oxide from low grade zinc-bearing material including zinc leaching residue, zinc slag from lead smelting, zinc electrolyte purification precipitate

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Copper Slag TECHNOBLAST WORKSHOPS

Copper slag is an abrasive blasting grit made of granulated slag from metal smelting process ( also call iron silicate). Copper Slag abrasive is suitable for blast cleaning of steel and stone/concrete surfaces, removal of mill scale, rust, old paint, dirt etc. Suitable for SA-3, SA-21/2 and SA-2.

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