magnetic separation of iron from zinc slag

iron and zinc separation from steel slag

magnetic separation of iron from zinc slag magnetic separation of iron from zinc slag iron magnetic separation for zinc in crusher quarry mining and magnetic separation lead and zinc slag material technology magnetic separation lead andGet Price SlagWikipedia Slag is the glasslike byproduct left over after a desired metal has been separated Historically the resmelting of iron ore slag was ...

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Probing Study on Separating Pb, Zn, and Fe from Lead

(1) The process of coal-based direct reduction followed by magnetic separation was conducted to extract metallic iron and separate Pb and Zn from lead slag. Metallic iron powder with 93.73% total iron and recovery rate of 80.32% was obtained under the following optimum conditions: lignite as a reductant, CaO as an additive, lignite ratio of 30% ...

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Optimization of magnetic separation process for iron ...

2017-2-1  To improve the efficiency of iron recovery from steel slag and reduce the wear-and-tear on facilities, a new method was proposed by adding a secondary screen sizer to the magnetic separation process according to grain size distribution of magnetic iron (M-Fe) in the slag. The final recycling efficiency was evaluated by calculating the percentage of recycled M-Fe to the maximum amount of M

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(PDF) Semi-Smelting Reduction and Magnetic Separation

2019-4-9  operation process is against to the separation of slag and iron, while greatly increasing the smelting energy consumption. Therefore, a semi-smelting reduction and

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Comprehensive recovery of lead, zinc, and iron from ...

2018-2-3  Lead, zinc, and iron were recovered from jarosite residues using direct reduction followed by magnetic separation. The influence of the coal dosage, reduction temperature, and reduction time on the volatilization rates of lead and zinc and the metallization rate of iron were investigated. The results show that the volatilization rates of lead and zinc were 96.97% and 99.89%, respectively, and ...

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METHOD OF SEPARATING AND RECOVERING IRON FROM

1. A method of separating and recovering iron from a waste non-ferrous slag, discharged from a process for smelting of non-ferrous metals, including copper, zinc and lead, by physical and chemical separation, the method comprising the steps of: (a) crushing the waste non-ferrous slag; (b) mixing the waste non-ferrous slag, crushed in step (a), with carbon as a reducing agent and calcium ...

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Separation of heavy metals from hazardous lead slag by ...

For zinc smelting slag, the recoveries of zinc and lead were 94.5% and 97.6%, respectively, after reduction and volatilization procedure at 1050 °C for 6 h. (Hu et al., 2014). More than 95% of Zn and 80% of Pb was removed from zinc-bearing dust by carbothermic reduction at 1503 K with a C/O ratio of 1.0 (She et al., 2014).

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Recovery of high grade iron compounds from LD slag by ...

2014-1-10  Two variants of magnetic separation were performed on LD slag. The first one deals with treatment of ground LD slag at different particle size fractions of 1 mm, 400 μm, 200 μm and -200 μm by dry magnetic separation. This technique may be applied on the coarse fraction of

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Recovery of iron from copper slag by deep reduction and ...

2013-11-20  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. Under the optimized condition of

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Magnetic separation-sulphuric acid leaching of Cu–Co–Fe ...

2014-10-1  As part of copper and iron remained in tailings during the magnetic separation and the copper in concentrate was almost not leached, the consumption of sulphuric acid was also reduced. Download : Download high-res image (87KB) Download : Download full-size image; Fig. 8. Proposed flow sheet for the copper and cobalt recovery from Cu–Co–Fe ...

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Probing Study on Separating Pb, Zn, and Fe from Lead

to separate Pb, Zn, and Fe from lead slag. Lead slag was mixed with coal and additive and treated in a laboratory tube furnace. In the process of direct reduction, Pb and Zn compounds were reduced to ele-mentary substances and entered into flue gas as dust. Fe was reduced to metallic iron and separated from roasted slag by magnetic separation.

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Semi-Smelting Reduction and Magnetic Separation for the ...

This work presents a semi-smelting reduction and magnetic separation process for the recovery of iron and alumina slag from iron rich bauxite ore. The effect of the process parameters on the recovery rate of iron, maximum particle size of the iron nugget, and the Al2O3 content of the alumina slag was investigated and optimized. The results show that the iron nuggets and alumina slag can be ...

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iron and zinc separation from steel slag

magnetic separation of iron from zinc slag magnetic separation of iron from zinc slag iron magnetic separation for zinc in crusher quarry mining and magnetic separation lead and zinc slag material technology magnetic separation lead andGet Price SlagWikipedia Slag is the glasslike byproduct left over after a desired metal has been separated Historically the resmelting of iron ore slag was ...

More

Experiment on Recovery of Multi-Metal from Zinc Volatile ...

For the comprehensive recovery of copper, zinc, silver and iron from the zinc volatile kiln slag in Xining, exploratory experiments were conducted by adopting single flotation, magnetic separation and combined process of magnetic separation and flotation. The results showed that the above process cannot effectively recover copper, zinc and silver from the ore.

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Comprehensive recovery of lead, zinc, and iron from ...

2018-2-3  Lead, zinc, and iron were recovered from jarosite residues using direct reduction followed by magnetic separation. The influence of the coal dosage, reduction temperature, and reduction time on the volatilization rates of lead and zinc and the metallization rate of iron were investigated. The results show that the volatilization rates of lead and zinc were 96.97% and 99.89%, respectively, and ...

More

Application of magnetic separation to steelmaking slags ...

Integrated iron and steel plants generate large amounts of metallurgical slag, which usually contains some quantity of metals or mixtures of oxides that could be treated to be recycled in various applications. The conventional method for disposal of slags is dumping. However, it is possible to proce

More

Probing Study on Separating Pb, Zn, and Fe from Lead

to separate Pb, Zn, and Fe from lead slag. Lead slag was mixed with coal and additive and treated in a laboratory tube furnace. In the process of direct reduction, Pb and Zn compounds were reduced to ele-mentary substances and entered into flue gas as dust. Fe was reduced to metallic iron and separated from roasted slag by magnetic separation.

More

Semi-Smelting Reduction and Magnetic Separation for the ...

This work presents a semi-smelting reduction and magnetic separation process for the recovery of iron and alumina slag from iron rich bauxite ore. The effect of the process parameters on the recovery rate of iron, maximum particle size of the iron nugget, and the Al2O3 content of the alumina slag was investigated and optimized. The results show that the iron nuggets and alumina slag can be ...

More

Closed-loop solvometallurgical process for recovery of ...

Ferrous slag, which includes iron slag, steel slag, alloy steel slag and ferroalloy slag is mainly treated through magnetic and gravity separation methods to recover chromium and nickel. 1 Non-ferrous slag, which includes copper, zinc and lead slag, often has a high iron content, which is comparable to that of low-grade iron ores, and it can be ...

More

Semi-Smelting Reduction and Magnetic Separation for the ...

This work presents a semi-smelting reduction and magnetic separation process for the recovery of iron and alumina slag from iron rich bauxite ore. The effect of the process parameters on the recovery rate of iron, maximum particle size of the iron nugget, and the Al2O3 content of the alumina slag was investigated and optimized. The results show that the iron nuggets and alumina slag can be ...

More

Material flow analysis of zinc during the manufacturing ...

2021-1-15  Although 1,212 t of zinc was discharged along with coking chemical products and steel slag after magnetic separation or iron-bearing dust and sludge, 1,105 t of zinc remained within the circulation. According to this research, we inferred that approximately 142 kilotonnes of zinc, 2.7% of China's zinc production in 2013, and approximately 1.5 ...

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An Overview of Recovery of Metals from Slags

P.K. Jena. A study of the recovery of copper, nickel and cobalt from copper converter and smelter slags by leaching with ferric chloride is reported. The converter slag from Ghatsila, India ...

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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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One-Step Synthesis of Magnetic Zeolite from Zinc Slag

type magnetic zeolites without the addition of iron oxide magnetic nanoparticles. Zinc slag (ZS) is an industrial solid waste discharged from the zinc smelting process. The China Report Hall [8] reported that the output of zinc metal was 5.681 million tons in 2018. The discharge of

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Experiment on Recovery of Multi-Metal from Zinc Volatile ...

For the comprehensive recovery of copper, zinc, silver and iron from the zinc volatile kiln slag in Xining, exploratory experiments were conducted by adopting single flotation, magnetic separation and combined process of magnetic separation and flotation. The results showed that the above process cannot effectively recover copper, zinc and silver from the ore.

More

Probing Study on Separating Pb, Zn, and Fe from Lead

to separate Pb, Zn, and Fe from lead slag. Lead slag was mixed with coal and additive and treated in a laboratory tube furnace. In the process of direct reduction, Pb and Zn compounds were reduced to ele-mentary substances and entered into flue gas as dust. Fe was reduced to metallic iron and separated from roasted slag by magnetic separation.

More

One-Step Synthesis of Magnetic Zeolite from Zinc Slag

type magnetic zeolites without the addition of iron oxide magnetic nanoparticles. Zinc slag (ZS) is an industrial solid waste discharged from the zinc smelting process. The China Report Hall [8] reported that the output of zinc metal was 5.681 million tons in 2018. The discharge of

More

Application of magnetic separation to steelmaking slags ...

Integrated iron and steel plants generate large amounts of metallurgical slag, which usually contains some quantity of metals or mixtures of oxides that could be treated to be recycled in various applications. The conventional method for disposal of slags is dumping. However, it is possible to proce

More

Closed-loop solvometallurgical process for recovery of ...

Ferrous slag, which includes iron slag, steel slag, alloy steel slag and ferroalloy slag is mainly treated through magnetic and gravity separation methods to recover chromium and nickel. 1 Non-ferrous slag, which includes copper, zinc and lead slag, often has a high iron content, which is comparable to that of low-grade iron ores, and it can be ...

More

Material flow analysis of zinc during the manufacturing ...

2021-1-15  Although 1,212 t of zinc was discharged along with coking chemical products and steel slag after magnetic separation or iron-bearing dust and sludge, 1,105 t of zinc remained within the circulation. According to this research, we inferred that approximately 142 kilotonnes of zinc, 2.7% of China's zinc production in 2013, and approximately 1.5 ...

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Separation sorting technology for recycling incineration ...

2021-11-10  Here the STEINERT ISS® induction sensor sorting unit, with the selective ARGOS-type induction sensor, can be set up for outstanding separation of stainless steel from incineration bottom ash. All magnet and sensor sorting technology for IBA recycling from a single source. STEINERT EddyC®: Decades of experience meets brilliant solutions - belt ...

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吸收脱硫铜渣磁选试验研究-Research on magnetic

The magnetic separation effect on iron of the copper slag (>46%) was slightly lower than that of the desulfurization slag (>50%). The excessive degree of silicon (>5.50 wt.%) and zinc (>1.1 wt.%) content in the rough concentrate of copper slag was more serious compared with that of the desulfurization slag.

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An overview of recovery of metals from slags

By applying mineral processing technologies, such as crushing, grinding, magnetic separation, eddy current separation, flotation and so on, leaching or roasting, it is possible to recover metals such as Fe, Cr, Cu, Al, Pb, Zn, Co, Ni, Nb, Ta, Au, and Ag etc. from the slags. Recovery of metals from the slags and utilisation of the slags are ...

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An Overview of Recovery of Metals from Slags

P.K. Jena. A study of the recovery of copper, nickel and cobalt from copper converter and smelter slags by leaching with ferric chloride is reported. The converter slag from Ghatsila, India ...

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Korea Zinc integrated flowsheet using TSL Technology to ...

A novel method to recover zinc and iron from zinc leaching residue (ZLR) by the combination of reduction roasting, acid leaching and magnetic separation was proposed. Zinc ferrite in the ZLR was ...

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Microstructures of the copper slag (0.45 of binary ...

Physical separation is an appropriate method for the recovery of iron from copper slag, but the recovery rate with magnetic separation is lower by about 40% due to its difficult processing of ...

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