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recovering metal from slag :

An Overview of Recovery of Metals from Slags

2021-11-14  Steel slag is a by-product in the metallurgical process [1] which can be divided into blast furnace slag, converter slag and electric furnace slag. There are more than 300 million tons of steel ...

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An overview of recovery of metals from slags - ScienceDirect

On this basis, a review of a number of methods for recovery of metals from the slags was made. It can be seen that a large amount of slags is produced each year. They usually contain a quantity of valuable metals except for blast furnace slag and they are actually a secondary resource of metals. By applying mineral processing technologies, such ...

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Metal Recovery from slag Mining Quarry Plant

2013-7-18  Metal Recovery from slag Recovery of metals from melting furnace slag has become an important branch of the slag crushing process for recovering metal from induction slag,iron furnace slag,slag processing,induction furnace slag slag,iron furnace slag,slag processing,induction furnace slag processing,steel

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

Copper slag was characterized and processed. The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis. 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 ...

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Method for precious metal recovery from slag - The ...

1999-10-21  Method for recovering precious metals: 1986-09-23: Berg et al. 75/83: 4588436: Method of recovering metals from liquid slag: 1986-05-13: Eriksson et al. 75/10: 4451290: Recovery of platinum group metals from scrap and residues: 1984-05-29: Hill et al. 75/63: 4451289: Process for extracting non-ferrous metals from iron-bearing scraps: 1984-05-29 ...

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

2021-12-4  The recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated. A fayalitic-type of ancient copper slag containing

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US20120073404A1 - Method of recovering valuable metal

A method of recovering a valuable metal from slag is disclosed. The method includes the steps of: applying a magnetic field whose magnitude is increased in a stepwise fashion to crushed slag to separate a magnetic material from the crushed slag; and introducing a reductant into the separated magnetic material to recover a valuable metal therefrom.

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Metal Recovery From Slag - CR4 Discussion Thread

2013-3-2  I am working on the project of recovering metal from slag generated while melting the metal. The slag is non metalic material floting on liquid metal while melt refining. There are metal content in this slag which is just thrown now or the lumps are used as landfill while making road. The purpose is to recover the metal within this slag/lumps.

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Steel Slag Loesche

2021-11-23  Flowsheet. This dry process developed by Loesche for recovering metals from steel slag combines all the advantages of conventional processes: Efficient and cost-effective metal recovery in the coarse range. Virtually 100% metal recovery down to the finest fractions range by means of optimised dry grinding, classification and sorting technology.

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Processing of copper converter slag for metal reclamation ...

Clean processing of copper converter slag to reclaim cobalt and copper could be a challenge. An innovative and environmentally sound approach for recovering valuable metals from such a slag has been developed in the present study. Curing the slag with strong sulphuric acid, without re-smelting or ro

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An overview of recovery of metals from slags - ScienceDirect

2003-1-1  Steel slag is produced from Basic Oxygen Furnace (BOF steel slag) and Electric Arc Furnace (EAF steel slag) in the steel making. They are about 10–15% by weight of the steel output (Proctor et al., 2000).Each year, a great amount of steel slag is produced in the different countries, as shown in Table 1.

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Recovery of metal from slag/mixed metal generated in ...

2005-1-6  Plants recovering metal from slag have now become an integral part of ferroalloy plants, some of them being Anglovaal's Feralloys at Machadodorp, Samancor's Tubatse Ferro-chrome at Steelport, Metalloys at Meyerton, Ferrometals at Witbank (all RSA), AAC Zimbabwe's Zimbabwe Alloys at Gweru and Zimasco Alloys (Pvt), KweKwe. ...

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

Copper slag was characterized and processed. The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis. 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 ...

Read More
Method for precious metal recovery from slag - The ...

1999-10-21  Method for recovering precious metals: 1986-09-23: Berg et al. 75/83: 4588436: Method of recovering metals from liquid slag: 1986-05-13: Eriksson et al. 75/10: 4451290: Recovery of platinum group metals from scrap and residues: 1984-05-29: Hill et al. 75/63: 4451289: Process for extracting non-ferrous metals from iron-bearing scraps: 1984-05-29 ...

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Method for recovering metals included in the slag ...

A method for recovering useful metal included in slag generated from steel-making process in a convertor. The method comprises the steps of atomizing the slag in water, screening the atomized slag so as to be classified by sizes, dropping the classified slag of similar sizes into a flow of blowing air to sort it into a high-weight group and a low-weight group, and transferring the high

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Feasibility of recovering metals from associated slags

2014-7-8  Keywords: selective precipitation technique, associated slag, recovering metals from slag. Slag CaO SiO 2 Al 2O 3 MgO B 2O 3 TiO 2 Ti-slag 27–28 22–25 14–15 7–8 0 22–23 B-slag 5–10 5–35 5–10 35–45 12–15 0 Figure 1. Flow chart for treatment of associated slags by SPT

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Metal Recovery From Slag - CR4 Discussion Thread

2013-3-2  I am working on the project of recovering metal from slag generated while melting the metal. The slag is non metalic material floting on liquid metal while melt refining. There are metal content in this slag which is just thrown now or the lumps are used as landfill while making road. The purpose is to recover the metal within this slag/lumps.

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Method of recovering metals and producing a secondary

A method of recovering metals and producing a secondary slag from base metal smelter slag produced by a copper or nickel smelter includes mixing the smelter slag with at least one reducing agent selected from the group consisting of carbon, calcium carbide, ferrosilicon and aluminum, said carbon and calcium carbide (if present) being from about 1% to about 40% by weight of

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Steel Slag Loesche

2021-11-23  Flowsheet. This dry process developed by Loesche for recovering metals from steel slag combines all the advantages of conventional processes: Efficient and cost-effective metal recovery in the coarse range. Virtually 100% metal recovery down to the finest fractions range by means of optimised dry grinding, classification and sorting technology.

Read More
Processing of copper converter slag for metal reclamation ...

Clean processing of copper converter slag to reclaim cobalt and copper could be a challenge. An innovative and environmentally sound approach for recovering valuable metals from such a slag has been developed in the present study. Curing the slag with strong sulphuric acid, without re-smelting or ro

Read More
Metal Recovery From Slag - CR4 Discussion Thread

2013-3-2  I am working on the project of recovering metal from slag generated while melting the metal. The slag is non metalic material floting on liquid metal while melt refining. There are metal content in this slag which is just thrown now or the lumps are used as landfill while making road. The purpose is to recover the metal within this slag/lumps.

Read More
(PDF) Recovery of metal from slag/mixed metal generated

A metal-from-slag plant allows producers to cope with fluctuating ferroalloy markets. During times of low prices, a producer can shut down furnaces and rely on the low-cost metal-from-slag product to remain viable. When demand is high, the plant is a low-cost means to boost production.

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Process for Enhancing the Valuable Metal Recovery from ...

2021-2-5  Steel slag is a major by-product generated by the steel industry. Although steel slags are classified as non-hazardous thermal waste according to the decree 2002–540 and US EPA [], it is well known that most metals they contain are quite toxic to living organisms and may pose serious environmental issues.In France, the CTPL [] estimated that the total available stock of slags (including

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Method for recycling noble metal from battery slag ...

2007-3-22  A method for recovering Co, Ni, Mn and other valuable metal from lithium battery slag from ternary system Li metallic salt; the method comprises: stirring to dip out the lithium battery slag of lithium acid metallic salt comprising equal Co, Ni and Mn by diluted hydrochloride with hydrochloric acid concentration above 250g/l, or heating to 65-80 DEG C. and stirring to dip out by diluted ...

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RECYCLING OF PLATINUM GROUP METALS FROM

2012-9-6  The PGMs, owing to their high specific density, fall through the slag into the metal bath. The most frequently used material for the metal bath is copper, but iron, lead, and nickel can also be used. Another significant mechanism for separating the PGMs from the slag is the collection of PGM particles by collector-metal drops6. High turbulence ...

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Recovery of metals from melting furnace slag Mining ...

2013-7-18  Recovery of cobalt, nickel, and copper from slags, using DC . The most effective means for the recovery of metals . Molten slag may be fed directly to the 5.6 MVA furnace from a pre-melting . When treating furnace slag .

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Atoll Process outline,recover ferroalloy metal from slag ...

2019-1-22  The slag is crushed and screened into three fractions. The 6x25 mm (coarse) and 1x6 mm (fines) fraction is fed into the coarse and fines jigs and the 98 % clean metal is separated from slag and extracted as a 98 % clean saleable 6x25 mm metal product.

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Recovery of Metals from Petroleum Waste Byproducts

2017-4-7  Current methods for the extraction of Ni and V from petroleum waste byproducts use conventional separation techniques, such as chemical leaching. However, because Ni and V from petcoke gasifier ash are also dissolved in the vitrified slag (or glass), leaching methods for their recovery would require a multi-stage approach that is time consuming ...

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Pyrite Bioleaching and Slag Neutralisation - Two ...

Pyrite Bioleaching and Slag Neutralisation - Two Treatments in a Single Process for Recovering Valuable Metals from Both Materials Very often the production of copper sulfide concentrate yields pyrite concentrate as a by-product. This is the case at the Kre mine in northern Turkey. This kind of concentrate may contain low grades of valuable non-ferrous metals.

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steel recovery process from slag powder

Steel slag in China: Treatment, recycling, and management . 1/8/2018 Powder formation of the steel slag that is solidified and stored on the ground begins immediately after its discharge, and it is a continuous process. During the bulk powder formation from steel slag, a large amount of the dust produced during the transport and

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