SBM
Minimization of Copper Losses in Copper Smelting Slag During
cal processes used for cleaning copper smelting slags have been steadily optimized The electric furnace or rotary slag cleaning furnace are now generally
Recovery of cobalt nickel and copper from slags using DC arc
Slags produced by non ferrous smelters usually contain significant quantities of form and for these slags treatment in an electric furnace operated under reducing The aim of a slag cleaning process is to maximize the recovery of valuable
DC Smelting Plant Outotec
Slag cleaning Co Cu Ni V Blast furnace slag Pb and Zn fuming and condensing Platinum group metal smelting including Pt and Pd Dolomites and magnesites Mg Outotec DC smelting can be combined for example with the Outotec ferrochrome process to
The Physical Chemistry of Copper Smelting
The Physical Chemistry of Copper Smelting Slags A Review electric furnace cleaning traditional slag cleaning processes based on gravitational settling
Copper Sulphuric Acid
Outokumpu flash smelting is a The highgrade matte flows to the electric slag cleaning Reverberatory furnaces are still used for smelting copper but
The taphole – key to furnace performance SAIMM
The taphole – key to furnace performance L R Nelson and R J Hundermark Anglo American Platinum Ltd The critical importance of taphole design and management to furnace performance and longevity is explored through examining some of the specific matte metal and slag tapping
Commentary Submerged Arc Furnace Smelting
Commentary Submerged Arc Furnace electric smelting The molten slag from the flash smelter IS transferted to a slag cleaning furnace where It
Slag properties and design issues pertinent to
The coppernickel and PGM teristics of slag and matte in the electric Slag properties and design issues pertinent to matte smelting electric furnaces
Slag properties and design issues pertinent to matte
Slag properties and design issues pertinent to matte smelting electric furnaces settling this conversely being a function of size then slag viscosity and specific gravity relationships In electric matte smelting furnaces the efficiency of operation is also dependent on the soundness of the electrical
Ore Processing Electric Slag Cleaning Furnace Price
The quotevolution quot and the major milestones of the electric smelting technology are shown in Continuous operating circular copper slag cleaning furnace process
Smelting Wikipedia
Smelting is a process of applying heat to ore in order to extract a base metal It is a form of extractive metallurgy It is used to extract many metals from their ores including silver iron copper and other base metals Smelting uses heat and a chemical reducing agent to decompose the ore driving off other elements as gases or slag and leaving the metal base behind
PHYSICOCHEMICAL CHARACTERIZATION OF COPPER
discussion of slag cleaning is only relevant to sulphide smelters 8 9 Two cleaning techniques are in common use in sulphide smelters electric furnace processing under reducing conditions and slow cooling and flotation Metals recovered include copper gold nickel cobalt and PGM s 10 11 3
Minimization of Copper Losses in Copper Smelting Slag
Minimization of Copper Losses in Copper Smelting Slag During Electric Furnace Treatment obtain relatively uniform slag matte and copp er microstructures to allow microprobe analysis to be
AP 42 CH 12 3 Primary Copper Smelting US EPA
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
Management of copper pyrometallurgical slags giving
depending on the method used to clean the final slag of the pyrometallurgical process Eventually minor amounts of zinc molybdenum and noble metals such as gold and silver are presented Since final copper slag contain around 1 of copper its recovery from the slag could be economically accepted if no expensive treatments are found such as
Electric Smelting Furnace of Ore
A number of runs were made with an electric furnace smelting a fine Michigan native copper concentrate and it was concluded that such material could be smelted to produce a goodgrade of black copper without excessive loss of copper in the slag or otherwise
Viscosity of the copper smelting slag in the Mitsubishi
mixture of matte and slag formed at the smelting furnace overflows to the slag cleaning furnace and separates by gravity difference The slag overflows and is granulated by water while the matte is siphoned out and sent to the converting furnace There converting slag overflows and blister copper siphons continuously to the anode furnaces
Dissolution of Valuable Metals from Nickel Smelter Slags by Means
Discarded furnace slag naturally cooled from the Copper Cliff smelter 250°C 130 g L 3 12 Powder XRD of amorphous electric furnace slag 33 Fig A stand alone slag cleaning vessel is used at Xstrata s Sudbury smelter to process
The Smelting of CopperNickel Concentrates in an Electric
smelting of coppernickel concentrates in a 19 5 MVA furnace with six inline electrodes The matte and slagtapping temperatures slag temperatures slag analyses electrical data and electrode position were measured Radioactive tracers were introduced into the slag and quantitative
Kinetics of Copper Reduction from Molten Slags
Kinetics of Copper Reduction from Molten aims to improve slag cleaning process in an electric furnace Hence the recent trends of continuous copper smelting
Leaching and recovery of zinc and copper from brass slag by
Nov 28 2012 Recovery Brass slag Zinc Copper H2SO4 leaching nickel smelter slags was investigated as a process to facilitate slag cleaning and selective dissolution of base In comparison the leaching of the copper smelter dust was relatively easy Hydrometallurgical treatment of electric arc furnace dusts
Kinetics of Copper Reduction from Molten Slags Aaltodoc
aims to improve slag cleaning process in an electric furnace I am deeply grateful to my from copper flash smelting slags The flash smelting and slag cleaning
Patent CN1131984C Method for
The present invention relates to a method for clearing nonferrous metallurgical slag formed during in an electric furnace the law especially involving a semicontinuous
The appliion of Ausmelt technology to base metal
oxidising conditions followed by slag cleaning under reducing conditions for the design of relatively low capital cost smelting circuits Mounsey provides details of such appliions for copper smelting at widely different throughputs8 Technology appliions in nonferrous metal submerged arc electric furnaces or coalfired
THE SUBMERGED ARC FURNACE SAF STATE OF ART IN
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
Numerical Simulation of the Copper Slag Cleaning Process Hal
Jun 21 2016 Slags from smelting of copper still contains up to 20 of copper inclusions which Keywords EM stirring collision model copper slag cleaning MHD FLUENT MHD module namely the electric potential and the magnetic
Table of Contents Minamata Convention on Mercury
Non ferrous metal smelting sub group Copper Gold Lead and Zinc BAT BEP Process Steps in Copper Production Slag Cleaning The molten slag produced in the smelting furnace and converters may be treated in an electric slag
BEHAVIOUR OF IRON DURING REDUCTION OF SLAG OBTAINED
Jun 20 2014 processes of copper concentrate flash smelting or bath smelting With the cussed in the article is processed during smelting reduction that is carried out in the electric furnace slags cleaning in an electric furnace
Cleaning of a copper matte smelting slag from a water jacket NCBI
Sep 7 2008 Cleaning of a copper matte smelting slag from a water jacket was undertaken by direct reduction in a laboratory scale electric furnace
Electric Slag Cleaning Furnace Outotec
With the Outotec Electric Slag Cleaning Furnace the cleaning of smelting furnace slag is carried out using surface coke reduction in an electric furnace The circular or rectangular electric furnace is operated in batches and equipped with three or more S 246derberg electrodes
Influence of external electric field on copper slag cleaning process
Ionic structures of the molten copper slags indicated the possibilities of utilisation of electrocapillary phenomenon in accelerating the setting of copper drops from
Paper Slag Valorisation Symposium
Copper smelter slags have seen limited use mainly as bulk products for road The Teniente Converter slag is transferred to a slag cleaning furnace HLE pulverised cleaned in an electric furnace using coke as a reductant10 11 Iron is a
Investigating the effect of slag bath conditions
Investigating the effect of slag bath conditions on the existence of multiphase emulsion zones freeze linings and copper cooling In the electric smelting
Influence of slag composition on reduction control and SAIMM
Mar 9 2011 Outotec direct to blister copper smelter at its Chingola operations in by carbothermic reduction in the electric slag cleaning furnaces ESCF
Copper Sulphuric Acid on the Web
Sep 17 2003 The smelting stage is less oxidizing so that low copper slag can be The high grade matte flows to the electric slag cleaning furnace From the
Copper Solubility in Matte Smelting Slag
Copper Solubility in Matte Smelting Slag Copper loss in matte smelting slag is concern in slag phase was overcome by careful cleaning the matte
Extractive Metallurgy of Copper 1st Edition Elsevier
Mitsubishi Continuous Smelting Converting The Mitsubishi Process Smelting Furnace Details Electric Slag Cleaning Furnace Details Converting Furnace
ISASMELT™ AT MUFULIRA – INCREASED FLEXIBILITY ON THE
replaced a rotary drier and an electric smelting furnace The primary copper ISASMELT™ top submerged lance TSL technology continues to primary smelting and slag cleaning stage of the smelter – not downstream into the converting
electric slag cleaning copper smelting bnsdav
copper slag furnace slag copper shreeshakti The copper slag used in this study was the electric http Copper Slag Cleaning companies can
base metal losses to furnace slag during processing of CiteSeerX
Jul 1 2008 Most of the base metal losses in the slag cleaning furnace are on copper smelting slags put much more emphasis on sulphidic This is in contrast to earlier investigators who assumed that copper in electric furnace slag
Copper slag Wikipedia
Copper slag is a byproduct of copper extraction by smelting During smelting impurities become slag which floats on the molten metal Slag that is quenched in water produces angular granules which are disposed of as waste or utilized as discussed below
The Finnish Environment 316 Helda
2 4 Outokumpu Flash Smelting Process at Harjavalta Plant 4 7 Slag Cleaning The copper smelting furnace slag can be cleaned either in an electric
Minimization of Copper Losses in Copper Smelting Slag
During the last few decades the pyrometallurgical processes used for cleaning copper smelting slags have been steadily optimized The electric furnace or rotary slag
The Kennecott Process for NickelSlag Cleaning
The Kennecott Process for NickelSlag stirred electric furnace process for cleaning copper from slagcleaning technology to nickel smelting was
PHYSICOCHEMICAL CHARACTERIZATION OF
ALTERNATIVES OF FRIENDLY ENVIRONMENTAL MANAGEMENT copper after conventional slag cleaning offer a Smelting Industry Product Value and Slag Cleaning
PDF Free
May 25 2009 from Waste Electric and Electronic Scraps WEES Byung Su Kim1 slag cleaning furnace of Mitsubishi copper smelter at LS Nikko copper
Gas Slag Reaction Kinetics In Slag Cleaning Of Copper Slags
reduction Among them these two interfacial chemical reactions gas slag and gas carbon could ultimately limit the enhancement of these processes In this work the gas slag reaction kinetics in slag cleaning of copper slags has been studied The dissociation rate of C02 on the surface of liquid copper
Slag cleaning in crossed electric and magnetic fields
Slags from smelting of copper concentrate contains from 2 to 20 of copper and are directed to slag cleaning operation carry out in electric furnaces or other slag
SMS Group submerged arc furnace
SAF and electric smelting technology is represented by the Steelmaking and Continuous Casting Technology Chile 9 8 and 11 MVA copper slag cleaning Codelco Chile
ELECTRIC SLAG FURNACE DIMENSIONING
ELECTRIC SLAG FURNACE DIMENSIONING often for smelting or slag cleaning Water cooled slag furnace copper cooler with a hot face pattern 3 a b c
COPPER SMELTER PROJECTS amp SERVICES dgrpint
Copper cooler replacements Lip maintenance Lip cleaning with the Brokk Tuyere maintenance Porous plug maintenance Diesel water air and nitrogen line repairs or replacements Slag settling chamber repairs and maintenance Slag settling chamber cleaning Growth monitoring Cleaning copper spills
ISASMELT™ AT MUFULIRA – INCREASED FLEXIBILITY ON THE
Mopani Copper Mines Plc MCM decided at the end of 2003 to replace its electric smelting furnace and to upgrade its smelting facility in Mufulira with the installation of an ISASMELT™ furnace and a matte settling electric furnace MSEF The new facility was designed with a view
Recovery of Copper from the Slag of Khatoonabad
Copper loss in the slag of Khatoonabad flash smelting furnace is estimated to be about 1–3 At present the electric slag cleaning furnace is used for the
Chapter 7 Development of Copper Industries in Mongolia
Apr 19 2013 recovering metallic copper by means of Electro Winning Method slag holding or cleaning furnace in addition to the flush smelting furnace
Smelter Plant PT SMELTING
Smelting Furnace SFurnace Dried concentrate and flux materials like silica sand are injected into Sfurnace through vertical lances and oxidized with oxygenenriched air to produce molten matte and slag and their mixture overflows from the Sfurnace down to the CLfurnace through launder
PDF 123K Wiley Online Library
slag cleaning 139 tin smelting reduction 141 copper sulfide concentrate smelting noranda process electric resistance smelting furnace immersed electrode
Deltamet About
Minimization of Copper Losses in Copper Smelting Slag during Electric Furnace of Copper Losses in The Slag Cleaning Circuits from two Chilean Smelters
40 CFR 167 63 1444 What emissions limitations and work
40 CFR 167 63 1444 What emissions limitations and work practice standards must I meet for my copper concentrate dryers smelting furnaces slag cleaning vessels and copper converter departments
Minimization of Copper Losses in Copper Smelting Slag
In the quest to achieve the highest metal recovery during the smelting of copper in Copper Smelting Slag During Electric many slagcleaning electric
An overview of copper smelting in southern Africa Mintek
This line was primarily used to convey the partially smelted copper matte to the coast from Slag from the smelting furnace is subjected to two stages of electric slag cleaning electrostatic precipitator gas cleaning plant oxygen plant and
SUBMERGEDARC FURNACES AND ELECTRIC
to the steel aluminum copper The department for submergedarc furnace SAF and electric smelting technology is represented by the Slag cleaning furnace
Minimization of Copper Losses in Copper Smelting Slag
Minimization of Copper Losses in Copper Smelting Slag During Electric Abstract In the quest to The experimental work was performed under slagcleaning
ASI International Products Fluxes for Copper Magnesium and
Fluxes for Copper Magnesium and Zinc Lead Tin Antimony Cleaning Drossing AlucoFlux GB – Melting cover flux for copper and bronze alloys AlucoFlux AB – Used with gas fired and electric induction furnaces on Chemically cleans furnace walls crucible walls and induction channels of oxides and slag build up
NSPS Revision Nonferrous Smelter Flash Furnace and
These gases are then cooled in a waste heat boiler the S02 being recovered as sulfuric acid The copperbearing slag from the flash furnace is further refined in the electric slag cleaning furnace ESCF Reverts waste materials of high copper content generated from the smelting process are added with the molten slag Electric Slag
Electric Slag Cleaning Furnace Outotec
With the Outotec Electric Slag Cleaning Furnace the cleaning of smelting furnace slag is carried out using surface coke reduction in an electric furnace