working of copper slag cleaning furnace

copper slag furnace slag copper - taxilaarbeek

Copper slag furnace slag copper - Henan Mining Machinery, 123 Primary Copper Smelting Slag produced by flash furnace operations contains significantly higher amounts of copper than reverberatory or electric furnaces Flash furnace slag is treated in a slag cleaning furnace with coke or iron sulfide Because copper has a higher affinity for sulfur than oxygen the copper in the slag as copper ...

Get Price

MICROSTRUCTURE CHARACTERISATION OF FREEZE LININGS .

lining microstructure forming on water cooled steel surface in a high-silica, slag cleaning furnace slag of a direct-to-blister copper smelter is mostly glassy or amorphous. It contains 5-30 µm magnetite crystals, very small and larger copper droplets as well as small magnetite and silicate nuclei embedded in the glassy silica-rich matrix.

Get Price

INNOVATIVE SOLUTIONS IN COPPER PRODUCTION LINES

Figure 8 – Rectangular slag cleaning furnace Over the past decades SMS worked intensively on the further improvement of slag cleaning efficiency [4-6]. First attempt of applying an electromagnetic stirring reactor were promising and showed already results of approx. < 0.5 % remaining copper

Get Price

REUTILISATION OF PRIMARY METALLURGICAL WASTES: COPPER SLAG ...

Slag cleaning in slag cleaning furnace: pulverised coal is injected and temperature maintained with oxygen-fuel burners. Coal reduces the content of magnetite and slag viscosity. Copper particles are released to form a rich copper matte (>70% Cu) Slag cleaning in an electrical furnace: Copper is .

Get Price

Slag-cleaning furnace - Mining Weekly

Copper panels will cool the furnace sidewalls to protect them from slag conditions, a separate gas-cleaning plant being installed so that no additional load is placed on existing environmental ...

Get Price

Slag-cleaning furnace - Mining Weekly

Copper panels will cool the furnace sidewalls to protect them from slag conditions, a separate gas-cleaning plant being installed so that no additional load is placed on existing environmental ...

Get Price

induction furnace cleaning of copper slag

Currently waste cooking oil WCO as a renewable energy is not widely utilized Copper slag cleaning in an electric furnace is a critical process for reducing the excessive magnetite Fe 3 O 4 present in the copper slag to decrease the slag viscosity which can promote the sedimentation of mattecopper in the slag thus reducing the copper content of slag...

Get Price

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

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.

Get Price

Characteristics and utilisation of copper slag—a .

01-11-2003· Jones et al. (1996) reported the recovery of metals, such as nickel, cobalt, and copper in an alloy by treating the copper slag with a carbonaceous reducing agent in a DC arc furnace. Pilot plant test work at Mintek (South Africa) has demonstrated recoveries of 98% nickel and 80% cobalt at the power levels of up to 600 kW and maximum possible quantity of iron oxide in the slag.

Get Price

MECHANISM OF BUILDUP FORMATION IN AN ELECTRIC FURNACE .

The copper slag cleaning in an electric furnace is based on slag reduction and settling of copper matte inclusions. Copper recovery depends on the slag temperature, degree of magnetite reduction and slag residence time. The formation of solid buildup on the furnace hearth leads to the decrease of furnace volume and slag residence time, affecting

Get Price

Control of Slag and Insoluble Buildup in Ladles, Melting ...

Slag Composition: The composition of furnace and ladle slag is often very complex. The slags that form in electric furnace melting result from complex reactions between silica (adhering sand and dirt from casting returns), oxides from scrap, other oxidation by-products from .

Get Price

12.3 Primary Copper Smelting

Slag produced by flash furnace operations contains significantly higher amounts of copper than reverberatory or electric furnaces. Flash furnace slag is treated in a slag cleaning furnace with coke or iron sulfide. Because copper has a higher affinity for sulfur than oxygen, the copper in the slag (as copper oxide) is converted to copper sulfide.

Get Price

copper slag cleaning furnace - teamsauber.ch

Copper Slag Cleaning Furnace – Made in China. Upgrading Copper Slag Cleaning Tailings For Re Use .. In terms of copper recovery, it is thus quite important how the copper slag has been processed and cooled post the smelting or converting furnace, EF and prior to the milling and flotation step.

Get Price

INNOVATIVE SOLUTIONS IN COPPER PRODUCTION LINES

Figure 8 – Rectangular slag cleaning furnace Over the past decades SMS worked intensively on the further improvement of slag cleaning efficiency [4-6]. First attempt of applying an electromagnetic stirring reactor were promising and showed already results of approx. < 0.5 % remaining copper

Get Price

cleaning chemicals slags furnace - assen-koerier

working of copper slag cleaning furnace - SAIMMIn this work, a global characterization of copper pyrometallurgical slags produced and disposed of in Chile is transfered to a cleaning slag furnace (HLE), andworking of copper slag cleaning furnace,Influence of slag composition on reduction control and operations of Mar 9, 2011 smoother operation of the KCM slag-cleaning furnace

Get Price

AC Submerged Arc Furnace (SAF) | TENOVA

Tenova specialises in Submerged Arc Furnace design and technology for furnace projects that ensures ... calcium carbide, phosphorous and non-ferrous metals such as copper, nickel, silver, platinum group metals, etc. Environment . Special smelting furnaces perform slag cleaning or dust recycling processes can be devoted to the production of ...

Get Price

Blast furnace - Wikipedia

A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, generally pig iron, but also others such as lead or copper. Blast refers to the combustion air being "forced" or supplied above atmospheric pressure.. In a blast furnace, fuel (), ores, and flux are continuously supplied through the top of the furnace, while a hot blast of air (sometimes with ...

Get Price

THE SUBMERGED ARC FURNACE (SAF) STATE OF ART IN METAL ...

Especially slag cleaning furnaces have supplied more than 20 in the last 40 years. Slag cleaning furnaces are commonly connected to smelting units such as Teniente and Noranda converter, Outokumpu flash smelter, reverbertory furnaces. The main function of the furnace is the reduction of the matte and metal level in the slag.

Get Price

Kinetics of Copper Reduction from Molten Slags

Keywords: Fayalitic slags, slag cleaning, carbothermic reaction, composition, reduction, Cu 2 O, FeO x. The objective of this thesis was to study the process of reduction of cuprous oxide by carbon from copper flash smelting slags. The flash smelting and slag cleaning processes are .

Get Price

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

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.

Get Price

(PDF) Refractories for Copper Production

This paper presents a post-mortem study of the refractory lining of a submerged arc furnace used in slag-cleaning operations at the Atlantic Copper Smelter (Spain) after a 6-year campaign.

Get Price

COPPER SMELTER PROJECTS & SERVICES

Cleaning copper spills De-bricking of MSEF furnace roof ... Removed working Hearth and sidewalls from Skew back up of the permanent lining Matte Settling Furnaces. Matte Settling Furnaces Precast Launders Pre-dried up to 650 oC ... Flash & Slag Cleaning Furnaces ...

Get Price

OUTOTEC FLASH SMELTING TECHNOLOGY

Outotec Slag Cleaning Slag cleaning at copper and nickel smelters is typically done using an electric furnace process. The design of Outotec slag cleaning furnaces is based on our extensive experience with different slag compositions and under-standing of how to .

Get Price

12.3 Primary Copper Smelting

Slag produced by flash furnace operations contains significantly higher amounts of copper than reverberatory or electric furnaces. Flash furnace slag is treated in a slag cleaning furnace with coke or iron sulfide. Because copper has a higher affinity for sulfur than oxygen, the copper in the slag (as copper oxide) is converted to copper sulfide.

Get Price

COPPER SMELTER PROJECTS & SERVICES

Cleaning copper spills De-bricking of MSEF furnace roof ... Removed working Hearth and sidewalls from Skew back up of the permanent lining Matte Settling Furnaces. Matte Settling Furnaces Precast Launders Pre-dried up to 650 oC ... Flash & Slag Cleaning Furnaces ...

Get Price

Minimization of Copper Losses in Copper .

The electric furnace or rotary slag-cleaning furnace are now generally used to perform this task, giving a level of copper in discard slag typically in the range of 0.55 wt.% and 1.3 wt.%, with most plants reporting copper losses in the discard slag in the range of 0.81.0 wt.%.

Get Price

(PDF) DESIGN OF COPPER COOLING SYSTEMS FOR .

The matte/slag tidal zone in a nickel-copper-iron-sulphide matte smelting furnace is subject to severe process conditions that can lead to premature failure of the lining.

Get Price

Diagnose for valorisation of reprocessed slag .

01-09-2018· The commercial slag is produced in the slag cleaning furnace (SCF), where under high temperature (1250 °C) and reducing atmosphere its remaining copper content (5%, approximately) decrease (below to 1%), and flue dust, mainly enriched of Zn and Pb among other metals, is formed [Seetharaman et al., 2014, Schlesinger et al., 2011].

Get Price

Kinetics of Copper Reduction from Molten Slags

Keywords: Fayalitic slags, slag cleaning, carbothermic reaction, composition, reduction, Cu 2 O, FeO x. The objective of this thesis was to study the process of reduction of cuprous oxide by carbon from copper flash smelting slags. The flash smelting and slag cleaning processes are .

Get Price

Blast Furnace: Introduction, Definition, Construction ...

The bottom half of the furnace possesses water cooler copper tuyeres, bustle pipe and the equipment to collect slag and liquid iron. This compartment is generally termed as 'cast house'. A tap is inserted in the refractory clay plug so that to make the flow of the liquid iron and slag through a 'skimmer' which spates iron and slag.

Get Price