copper recovery magnetic slag

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Iron Recovery from Copper Slag Through Oxidation-Reduction ...

A magnetic product containing about 57.9wt% iron was obtained from the magnetic separation under a magnetic field strength of 100 mT. Keywords. copper slag...

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

Nov 20, 2013 ... Aiming at recovering iron from high-iron-content copper slag, this article introduced a combination technology of deep reduction and magnetic...

A Study on Reduction of Copper Smelting Slag by Carbon for ... - MDPI

Feb 14, 2020 ... Therefore, most studies have conducted roasting-magnetic separation to recover iron from the copper slag, and the recovery rate with this method...

Improving Beneficiation of Copper and Iron from Copper Slag by ...

An earlier work noted that magnetic separation is a feasible way to recover iron ... Therefore, regarding the recovery of iron from copper flotation slag, more prior...

Smelting reduction and kinetics analysis of magnetic iron in copper ...

May 25, 2017 ... To improve the recovery of copper, the viscosity of copper molten slag is decreased by the reduction of magnetic iron, which, in turn,...

Utilization of nickel slag using selective reduction followed by ...

10 , direct reduction-magnetic separation process to recover iron and copper 11 and flocculation-magnetic separation to recover iron as magnetite 12 .

Recovery of iron and copper from copper tailings by coal-based ...

Oct 15, 2017 ... ... coal-based direct reduction followed by magnetic separation was presented to recover iron and copper from copper slag flotation tailings.

Utilization of Waste Copper Slag to Produce Directly Reduced Iron ...

A new technology of coal-based direct reduction-magnetic separation process was developed to recover iron from the slag assaying 39.85% Fetotal and 0.33%...

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

Numerous laboratory-scale studies have focused on the reduction and magnetic separation of copper slags 22 23 24 . A high recovery ratio and grade of iron...

AP-42, CH 12.9: Secondary Copper Smelting - EPA

Secondary copper recovery is divided into 4 separate operations: scrap pretreatment, smelting, alloying ... and magnetic separation. The scrap may ... pretreatment methods include flotation and leaching to recover copper from slag. Flotation is...

A Study on the Recovery of Iron from Copper Slag with Temperature

intended to recover Fe-Cu alloy from the copper smelting slag ... separation of the iron components by magnetic separation, and a secondary smelting process...

A Comprehensive Recovery of Copper-Iron Experimental Research ...

In this paper, a research is carried out to recover copper and iron from copper smelting slag by flotation and magnetic separation. The influence of grinding...

Arch. Metall. Mater. 63 2018 , 4, 1793-1798 Copper slag is a by ...

Magnetic separation and reduction smelting method are used to recover and separate the iron from copper slag. Magnetic separation is not efficient due to its...

Isothermal Coal-Based Reduction Kinetics of Fayalite in Copper Slag

Apr 9, 2020 ... In this paper, as the main phase of the copper slag, fayalite would be considered. First, the granularity and composition of fayalite after magnetic ... Tests to Modify Molten Copper Slag for Improvement of Copper Recovery.

Recovery of copper and cobalt from ancient slag - Gülay Bulut, 2006

Apr 1, 2006 ... About 2.5 million tonnes of copper smelter slag are available in Küre, ... copper, cobalt and magnetic iron oxide from the ancient copper slags.

Effects of Na2O additions to copper slag on iron recovery and the ...

May 17, 2020 ... The non-magnetic residue from magnetic separation of slag with addition of 4% Na2O was converted into ceramics with a much low sintering...

US6264039B1 - Method for precious metal recovery from slag ...

The recovery of precious metals from coal furnace slag will help to reduce the need ... Appli ion of magnetic field separation is a preferred method to accelerate the ... 2012 Recovery of gold, silver, palladium, and copper from waste printed...

Closed-loop solvometallurgical process for recovery of lead from ...

Oct 26, 2017 ... Metal recovery from secondary sources has environmental and ... treated through magnetic and gravity separation methods to recover chromium and nickel. Non-ferrous slag, which includes copper, zinc and lead slag, often...

Recovery of tin from copper dross by acid leaching - IOPscience

includes tin-bearing tailing, tin middlings, tin slag, hardhead and tin anode slime. ... recovery of tin from tin soldering dross 3 and extraction of zinc and copper from brass slag ... reactor provided with a reflux condenser and magnetic stirrer.

Bottom ash and incinerator slag industry Goudsmit Magnetics

Magnets for recovering metal in bottom ash processing. ... Magnetic head roller separators for the efficient separation of iron parts and magnetic slag. ... EddyFines 38HI eddy current separator for the recovery of non-ferrous metals in the fine ... This metal mix can consist of aluminium, copper, zinc, brass, stainless steel, lead,...

Nickel recovery from electric arc furnace slag by magnetic separation

To recover Cr from charge chrome slag, magnetic and gravity separation methods have been used at bench and industrial scale 19, 20 . Copper slag.

Recovery of Copper from Copper Slag by Hydrometallurgy Method ...

Keywords: Recovery, Copper slag, hydrometallurgy method, Leaching, precipitation. Abstract ... thermometer placed on the magnetic stirrer heating mantle.

Sulfuric acid leaching for capturing value from copper rich converter ...

Apr 1, 2019 ... Most common copper recovery processes from slag, use the traditional ... Satmagan 135 magnetic analyzer was used for Fe3O4 analysis.

Process for recovery of iron from copper slag - Agrawal, Archana

Dec 13, 2007 ... A process for the recovery of iron from copper slag which comprises: i. ... the recovery of copper and cobalt and production of magnet grade iron...

technology for the complex recycling slags of copper production

Laboratory studies on the recovery of iron from copper slag were carried out in a ... magnetic separation with intermediate grinding. For the most easily...

Profitably utilise and regenerate foundry residues STEINERT

In the reconditioning of slag from stainless steel production, our STEINERT MTE electromagnetic drums or STEINERT MTP permanent magnetic drums with...

Management of copper pyrometallurgical slags: giving ... - SAIMM

copper, its recovery from the slag could be economically accepted if no expensive ... compounds, whereas iron is recovered as magnetic oxide or pigment, and...

wo/2020/077851 method for recovering iron by means of copper ...

Apr 23, 2020 ... A method for recovering iron by means of copper slag calcination and ... field to obtain iron ore concentrate and magnetic separation tailings.

Characterization of copper smelter slag and recovery of residual ...

The pyrometallurgical copper extraction process generates 2.2 t of residues for each ton of produced metal. Initially, this paper shows the physical and chemical...

Recovery of Manganese From Steel Plant Slag by ... - CDC stacks

Slag samples were obtained from several BOF steel plants. They were crushed to minus 1/4 in and the mag- netic priUs were removed using a permanent magnet...

Iron Age Copper Reveals Earth& 39;s Stronger, Faster Magnetic Field ...

Dec 15, 2010 ... SAN FRANCISCO — Slag left over from Iron Age copper smelting shows the Earth& 39;s magnetic field was stronger and more variable than...

SEM study of a lead-iron slag flotation process - SciELO

obtained a 72% copper recovery from a metallurgical slag by using a mercaptobenzothiazole. However, the concentrate grade was only 12.6% Cu. The authors...

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