dc arc furnace recover copper from slags



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PDF Optimal Recovery of Base Metals from Waste Slag in ,

Optimal Recovery of Base Metals from Waste Slag in the Laboratory DC Arc Furnace , copper slags would be to reduce the slag in the pre sence of a slag modifier at a relatively lower power...

Factors influencing base metal recovery from waste ,

The recovery of cobalt and copper from waste slag was studied in a plasma DC-arc furnace in reducing conditions Three fluxes, CaO, CaF2, and TiO2, were investigated for their influence on selective recovery of cobalt into an iron-rich alloy...

AC Submerged Arc Furnace SAF TENOVA

DC Submerged Arc Furnace SAF The DC furnace is ideally suited for efficient reduction of both high and low-grade fine ores, using readily available reductants like fine coal and anthracite Since fine raw materials can be fed directly into a DC furnace, no additional agglomeration facility is needed...

Gerbrand Gerbrand Solwezi

About Operation of DC-arc furnace, induction furnace, 6 in line furnace, matte settling furnace, copper PS converters, anode furnac Research and development at a hydro and pyro laboratory...

Reductive smelting for the recovery of Nickel in a DC Arc ,

Download Citation Reductive smelting for the recovery of Nickel in a DC Arc Furnace It is possible to recover nickel pyrometallurgically from a variety of secondary materials, such as slag ....

Production of Cobalt and Copper Alloys from Copper Slags ,

Production of Cobalt and Copper Alloys from Copper Slags Via Reduction Smelting in DC ARC Furnace Onuralp Yücel Metallurgical and Materials Engineering Department, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Maslak, Istanbul, 34469 Turkey...

PDF Optimal Recovery of Base Metals from Waste Slag in ,

Optimal Recovery of Base Metals from Waste Slag in the Laboratory DC Arc Furnace , 1 and 4 Ni have been smelted in a transferred-arc plasma furnace to recover heavy metals in the melt and all ....

Recovery of cobalt from slag in a DC arc furnace at ,

Recovery of cobalt from slag in a DC arc furnace at Chambishi, Zambia More recently, attention has been focused on the Nkana slag dump on the Zambian Copperbelt More than six decades of copper mining and smelting at the site near Kitwe, 250 km north of Lusaka, have left behind about 20 million tons of slag grading between 03 and 26 cobalt ....

Electric arc furnace

An electric arc furnace EAF is a furnace that heats charged material by means of an electric arc Industrial arc furnaces range in size from small units of approximately one ton capacity used in foundries for producing cast iron products up to about 400 ton units used for secondary steelmakingArc furnaces used in research laboratories and by dentists may have a capacity of only a few ....

Recovery of base metals and PGMs in a DC alloy

Recovery of base metals and PGMs in a DC alloy-smelting furnace Rodney T Jones, Isabel J Geldenhuys, Quinn G Reynolds Mintek , Data from a number of varied DC arc furnace campaigns is presented to illustrate this behaviour 2 , furnace slag Copper in the slag is mainly attributed to the presence of copper-rich sulphid...

DC Smelting Plant

Outotec DC Smelting Plant Use a cost-efficient, sustainable, and compact solution for ferroalloys processing Outotec s direct current DC smelting furnace can be used for direct smelting of fine ores, even those with highly variable chemical or mineralogical compositions, as well as for recycling challenging by-products such as steel dust...

Process for recovery of iron from copper slag

Dec 13, 2007 0183 32 1 A process for the recovery of iron from copper slag which comprises i selecting and grinding the copper slag to the a size in the range of 2-15 mm ii mixing homogeneously copper slag, a reductant and a flux in the ratio range between 20 1 4 to 20 3 10...

Pyrometallurgical recovery of cobalt from waste ,

A 44V/I100A DC-plasma arc furnace was used to reduce slag to recover cobalt at about 135kV A power input The major part of the study was conducted in a tube furnace and the findings were applied to the extraction of cobalt from slag using the plasma-arc furnace...

DC Arc Furnaces

DC Arc furnace is the most versatile means for melting ferrous metals Until recently, AC Arc Furnaces were used for melting as generation distribution of AC power was convenient But with the progress in thyristor Technology, DC Supply has become a genuine alternative to AC Supply...

Index onlinelibrarywiley

recovery from lead anodic slimes, 315 blast furnace ferromanganese, 109 iron, 81 , dc-arc furnace, 246 chromite soda-ash roasting, 321 chromium electrolysis, 321 , d-c arc smelting furnace, 246 zinc slag fuming, 144 Ergun relation, 49, 108...

equipment for recovering copper from furnace slags

Recovery of cobalt from slag in a DC arc furnace Copper Cobalt Nickel and Zinc Recovery conference, Victoria Falls, Zimbabwe, 16-18 July 2001 Abstract The 20 Mt reverberatory furnace slag dump at Nkana in Zambia contains a substantial quantity of cobalt A 40 MW DC arc furnace has been built at Chambishi for the purpose of recovering ....

Recovery of copper and cobalt from ancient slag

of copper slags from different origins are variable, depending on many factors such as the type of ores processed, the type of furnaces and the cooling methods...

Implementation of a Novel Technology for the Recovery ,

In January 2001, Chambishi Metals commissioned a 40MW DC arc furnace using selective carbothermic reduction for processing reverberatory furnace slag stockpile of 20 million tons containing 034 to 45 cobalt, and an average of 11 copper Cobalt occurs as faylite whereas copper occurs as oxide and sulphide An atomizer...

We supply solutions for submerged arc furnaces for ferro ,

Jan 22, 2020 0183 32 Metix was founded in South Africa in 2003 as a privately owned company with a focus on the submerged arc furnace SAF business Although the company initially focused on technology and equipment for submerged arc furnaces, our later worldwide participation in large Engineering, Procurement and Construction EPC projects was the key to our success...

Rectangular furnace design and revolutionary DC

1993 FeNb furnace 1995 Slag wool furnace 2001 DC furnace for ilmenite smelting 2004 Rectangular copper slag cleaning furnace 2004 High capacity FeNi rectangular SAF with thyristor copper cooling system 2006 DC slag cleaning unit for precious metals PGM, Cu, Co, etc Figure 1 shows a typical submerged arc furnace from the...

Understanding Electric Arc Furnace Operations

Figure 3 Energy Patterns in an Electric Arc Furnace tions, oxygen injection is started as soon as a liquid pool of metal is formed The decarburization process is an important source of energy In addition, the carbon monoxide that evolves helps to flush nitrogen and hydrogen out of the metal It also s the slag....

Recovery of cobalt from slag in a DC arc furnace at ,

Copper Cobalt Nickel and Zinc Recovery conference, Victoria Falls, Zimbabwe, 16-18 July 2001 Abstract The 20 Mt reverberatory furnace slag dump at Nkana in Zambia contains a substantial quantity of cobalt A 40 MW DC arc furnace has been built at Chambishi for the purpose of recovering cobalt from the slag...

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

DC-arc furnace technology has been successfully applied to the recovery of cobalt, nickel, and copper from non-ferrous furnace and converter slags Pilot-plant testwork at Mintek has demonstrated recoveries of 98 for nickel and over 80 for cobalt, at power levels of up to 600 kW...

DC Submerged Arc Furnace SAF TENOVA

Detailed designs have been completed for DC furnaces, with capacities of 70 MW and higherTenova Pyromet is a leading designer and supplier of high-capacity electric submerged-arc smelting furnaces and complete smelting plants for the production of ferroalloys, base metals, slag ,...

Metal recovery from slags using DC arc furnace technology ,

By Adrian C Deneys, Published on 01/01/98...

COBALT FROM SLAG

CiteSeerX - Document Details Isaac Councill, Lee Giles, Pradeep Teregowda Anglovaal Minerals acquired the Nkana slag dump from Zambia Consolidated Copper mines ZCCM in 1998 and embarked on an ambitious project to pioneer the recovery of cobalt from slag using DC smelting technology Anglovaal Research Laboratories performed initial pioneering smelting tests in a 250 kW DC furnace ,...

Recovery of copper and cobalt from ancient slag

Yücel O , Sahin FC Sirin, B Addemir O 1999 A reduction study of copper slag in a DC arc furnace Scandinavian Journal of Metallurgy, 28, 93 - 99 Google Scholar...

THE SUBMERGED ARC FURNACE SAF STATE OF ART IN ,

Cobalt-Recovery from Copper-Smelter-Slags6 In January 2001, Chambishi Metals commissioned a 40 MW DC arc furnace using selective carbothermic reduction for processing reverberatory furnace slag stockpile of 20 million tons containing 034 to 45 cobalt, and an average of 11 copper...

Production of Cobalt and Copper Alloys from Copper Slags ,

Request PDF Production of Cobalt and Copper Alloys from Copper Slags via Reduction Smelting in DC Arc Furnace In the present work, the effects of amount of coke, reduction temperature and ....

Economic and environmentally beneficial treatment of slags ,

ECONOMIC ENVIRONMENTALLY BENEFICIAL TREATMENT OF SLAGS IN DC ARC FURNACES 363 Introduction A common feature shared by all pyrometallurgical smelting processes is the production of slag Slag is usually a by-product of metal production, although there are processes such as ilmenite smelting, for example where the slag is the principal product...