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Progresses and Future Prospects of Steelmaking Technologies

Progresses and Future Prospects of Steelmaking Technologies

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improving reaction efficiency in the hot metal pretreatment process, improving the level of purifiion in the BOF and secondary refining processes, and expanding iron source utilization by increasing the heating margin. In slag and refractories, slag reuse techniques, recovery of sensible heat from hot slag, and iron and phospho

Recovery of Valuable Metals from Spent LithiumIon ...

Recovery of Valuable Metals from Spent LithiumIon ...

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25/05/2017 · The process includes five main procedures: (1) pretreatment of spent LIBs by roasting at 800 °C for 2 h; (2) production of Co–Ni–Cu–Fe–Mn alloy and manganeserich slag containing lithium by reduction smelting; (3) refining of the alloy and production of alloy powders; (4) recovery of Co, Ni, and Cu by rustingleaching process using ...

UDC 669 . 054 . 82 : 669 . 184 . 244 . 66 Processing and ...

UDC 669 . 054 . 82 : 669 . 184 . 244 . 66 Processing and ...

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3. Steelmaking Slag Processing Technology The iron/steel slag processing flow is schematically shown in Fig. 2. Steelmaking slag is subjected to the following four processes: ① solidify and cooling of the hot molten slag, ② crushing and magnetic separation treatment of the slag to recover the metal iron,

Recovery and Reuse of Steel Slag

Recovery and Reuse of Steel Slag

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15/06/2020 · Use of steel slag. 1. Steel slag powder made from steel slag can be used as cement mixed material. 2. Steel slag as a mineral admixture can be used for concrete. 3. After desulfurization of steel ...

recovering metal from slag

recovering metal from slag

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Processing of copper converter slag for metal reclamation. competitive approach for recovering metal values from such a slag. Process options Clean and effective processing of copper converter slag is a challenge. The following requirements were taken into account for developing new processes to recover valuable metals from copper converter slag.

(PDF) Heat Recovery from Slag through Dry Granulation

(PDF) Heat Recovery from Slag through Dry Granulation

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The heat recovery from high temperature slags (1450–1650 °C) from the metallurgical process represents one of the greatest potential to reduce the carbon emission in the steel industry (460 ...

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

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

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This recovery is achieved by: • Mining the slag material directly from the dump. • Breaking the slag into smaller pieces in a crushing and screening system, releasing the locked metal from slag separating the slag into three size fractions. • Separating the liberated metal and slag by means of a gravity separation process, using two jigs ...

Method for recovering metals included in the slag ...

Method for recovering metals included in the slag ...

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A method for recovering useful metal included in slag generated from steelmaking 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 highweight group and a lowweight group, and transferring the highweight ...

Metal Recovery Process

Metal Recovery Process

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A process for recovering a metal chloride or mixed metal chloride from a solid waste material comprising recoverable metal containing constituents produced by lead, copper or zinc smelting and refining processes, said process comprising the steps of: (i) heating the solid waste material; (ii) treating the heated material of step (i) with a gaseous chloride to form a gaseous metal chloride ...

A NOVEL METHOD FOR METAL RECOVERY FROM ZINC FUMING .

A NOVEL METHOD FOR METAL RECOVERY FROM ZINC FUMING .

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A new electrochemical process, similar to the HallHeroult process in aluminum production, has been proposed for the recovery of metal values from this slag. Based on thermodynamic analysis and F*A*C*T calculations, copper melt was chosen as the hode because it significantly decreases the activity of zinc while increasing the activity of iron.

 | RECOVERY OF VANADIUM FROM STEEL MAKING CONVERTER SLAG

| RECOVERY OF VANADIUM FROM STEEL MAKING CONVERTER SLAG

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06/10/2021 · A salt roastingwater leaching process was adopted for the recovery of vanadium from steel making converter slag produced at Isfahan steel plant. A mixture of slag and sodium carbonate was palletized and roasted under various conditions.

CURRENT DEVELOPMENT OF SLAG VALORISATION IN

CURRENT DEVELOPMENT OF SLAG VALORISATION IN

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The hot stage processing processes with respect to BF slag ... The ratio and T. Fe content of the magnetic components recovered from steel slag Items T. Fe (%) Grain Size (mm) Ratio in slag (%) ... the annual production of ground steel slag powder increased from in .

Electroplating sludge metal recovering with vitrifiion ...

Electroplating sludge metal recovering with vitrifiion ...

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01/01/2012 · Highlights Plating sludge was collected from an industrial Ni electroplating workshop in Taiwan. Vitrifiion process with the mineral powder additive was used to recover metal. The optimal metal recovery efficiency of Ni, Fe, and Cr was 8:2 (additive:sludge). The economic analysis indied that the treatment could obtain 1880 USD/ton. TCLP data of the slag were under the Taiwan EPA's ...

SWEREA MEFOS PERSPECTIVE ON METAL RECOVERY FROM SLAGS

SWEREA MEFOS PERSPECTIVE ON METAL RECOVERY FROM SLAGS

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The IPBM process ... powders 3. Metallurgical powder . Steel work resdiues ... Postfurnace treatment of molten slag for metal recovery, control of the slag chemistry and mineralogy will most likely be a necessity for the metal producers and smelters in the near future.

Crude Zinc Oxide Dust RecoverySlag/Dross Recovery

Crude Zinc Oxide Dust RecoverySlag/Dross Recovery

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Crude zinc oxide () is one of the important resource of zinc metal extraction. The main source of crude zinc oxide includes: a. zinc dust collected from EAF (electrical arc furnace); b. fume dust collected from zinc leaching residue treatment by waelz kiln; c. zinc fume dust collected from lead slag treatment by fuming furnace; d. zinc skim from steel galvanizing/plating process.