copper flotation from converter slags

Copper in solidified copper smelter slags

Converter slags from slag blowing stages may contain copper few per cent up ot 20 w- t Mineralogical composition and morphology of copper in slags important for slag flotation is finally formul ated in s olidification and cooling of slag Only metallic and mixed or precipitated copper in slag absorbs substantial part of slagged ars enic...

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Technical Note Development of a Flowsheet for Recovering

copper concentrate with 20-40 Cu content is produced with 90-95 efficiency from copper slags and a tailing with 02-035 Cu is either disposed or dissolved with sulfuric acid at 70 C and then Cu in leachate is recovered with iron powder Cankut 1973 In some plants flash smelting furnace slag 16-2 Cu and converter slag 5-7 Cu are...

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Recovery of Copper and Silver by Flotation from Smelting

The recovery of copper from smeltery furnace slag by flotation has been studied By analysis the slag containing 161 copper and 2780g/t silver is available to recovery The effective factors such as particle size the amount and type of collector were examined The combination of the collectors was also examined With the process utilized in this work a copper concentrate of 2647 Cu with...

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Converting metallurgy

Converting is a type of metallurgical smelting that includes several processes the most commercially important form is the treatment of molten metal sulfides to produce crude metal and slag as in the case of copper and nickel converting A now-uncommon form is batch treatment of pig iron to produce steel by the Bessemer process The vessel used was called the Bessemer converter...

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Expansion of the Mount Isa Mines Copper Concentrator Phase

Smelter slag treatment Treatment of converter slag m the 1970 s and 980 s was on a batch basis dunng periods of ore shortage The batch processing of Copper Smelter converter slag began in 1976 et al 978 _ Parallel processing of slag and ore commenced in 1992 and the flotation...

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PDF Biorecovery of copper from converter slags Slags

After cooling and solidification slag consists of a matrix of iron silicates where droplets of matte Cu 2 SFeS white metal Cu 2 S and blister copper Cu 0 that have failed to settle completely are included Davenport et al 2002 The concentration of Cu in slag from smelting is typically in the range 05 to 2 while converter slags...

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Copper Converter Slag ScientificNet

The treatment of two types of industrial metallurgical waste copper converter slag and old flotation pyrite tailings containing non-ferrous and precious metals were examined in the laboratory Leaching of the slag containing 274 Cu as digenite bornite and free metal and 249 Zn as a ferrite ZnFe2O4 and silicate by an Fe3 -containing...

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Recovery of Copper and Cobalt from Concentrate and

This study was designed to recover copper and cobalt hydrometallurgically from an enriched concentrate of flotation and converter slag Three slag samples collected from the Ergani Copper Co of Etibank were studied In order to convert the copper and cobalt into sulfate compounds samples were roasted after sulfurization and leached with water...

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The Recovery of Copper from Smelting Slag by Flotation

Abstract Aiming at the recovery of copper from smelting slag a flotation approach was studied It was found that this slag composed of fine particles with complex association and distribution in which bornite was the main copper-bearing mineral after a detailed mineralogy analysis via...

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Hydrophobic

Jul 01 2013 0183 32 The converter slag from a smeltery in Daye contains 201 copper The floatability of copper has a significant influence on the flotation of converter slag Flotation tests contact angle tests and FTIR were conducted to assess the influences of pH and different flotation concentrators on its hydrophobic process mechanism and flotation...

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123 Primary Copper Smelting

Pine oils cresylic acid and long-chain alcohols are used for the flotation of copper or The flotation concentrates are then dewatered by clarification and filtration resulting in 10 to 15 percent water iron sulfide Because copper has a higher affinity for sulfur than oxygen the copper in the slag as at the converter mouth...

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RECOVERY OF COPPER FROM SMELTING SLAG BY

slags on an industrial scale i recycling of the converter slag to the smelting furnace ii cleaning of smelting and/or converter slags in electric furnaces and iii flotation Metallic copper and sulphide copper present in these slags can be floated very...

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Copper extraction

Copper extraction refers to the methods used to obtain copper from its orThe conversion of copper consists of a series of physical and electrochemical process Methods have evolved and vary with country depending on the ore source local environmental regulations and other factors As in all mining operations the ore must usually be beneficiated concentrated...

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Processing of copper converter slag for metals reclamation

iron in lattic Obviously unlike copper the cobalt in the slag is not amenable to flotation and chemical decomposi-tion of the slag is required for its recovery Mineralogical and chemical changes during slag processing In the slag processing method proposed in this study the copper converter slag was digested with strong sulphuric acid...

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Dore slag treatment

It should be mentioned that milling and flotation of converter slags to recover copper therefrom is well known in the art A good study thereof is made in RI 7562 of the Bureau of Mines Report of Investigations/1971 published by the United States Department of the Interior...

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Recovery of cobalt nickel and copper from slags using

The analysis of highly reduced slags has shown that it is possible to remove virtually all of the cobalt and nickel from the olivine in the slag Nickel-copper converter slag B - 32 MVA Large-scale testwork on converter slag was conducted during 1994 on a 32 MVA DC-arc furnace operating at a...

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Magnetite behaviour in Peirce Smith converters slag at Ilo

MAGNETITE BEHAVIOUR IN PEIRCE SMITH CONVERTERS SLAG 551 Introduction The Southern Peru Copper Corporation smelter is located in southern Peru 17 km from the Ilo Port and it started its operation on 1960 Currently the smelter operation includes two Reverberatory furnaces seven Peirce Smith converters one Teniente converter an acid plant an...

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Recovery of Copper from Reverberatory Copper Slag and

Recently smelter copper slags stockpiled in dumps are being reprocessed by crushing milling and flotation to recover entrained copper contents This technique produces a flotation concentrate copper grade of approximately 25 to 30 with copper recoveries of between 60 and 70 However the...

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COMPARATIVE RESULTS OF COPPER FLOTATION FROM

Production of copper concentrate by flotation of smelter slag has started in 2001 Flotation concentrate goes to the Copepr Smelter once more for production of cop-per cathodes and the rough flotation tailings go to the flotation tailing dump Copper recoveries in the flotation process of smelter slag reaches the value of about 45- 50...

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Copper Slag Flotation Process

Copper Slag Flotation Copper Slag Milling And Flotation Process Enhancing the flotation recovery of copper minerals in 01012020183 The following was used during the milling test work on the slag samples a laboratory scale ball mill 400 mm by 300 mm a Laarmann laboratory slurry press size 13 for slurry filtration a 1 0 L measuring cylinder for measuring and adding water a drying oven to dry...

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Enhancing the flotation recovery of copper minerals in

Jan 01 2020 0183 32 Therefore the scope of the present work involves an investigation into how the flotation recoveries of the copper minerals can be enhanced by studying the mineralogy milling and liberation profile of the slags and the flotation reagent suite that can be used to optimally recover the copper minerals from the slags...

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Flotation process for copper ores and copper smelter slags

A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates dithiophosphates thiocarbamate esters dithiocarbamates mercaptans and dixanthogens and further if desired a promoter such as kerosene light oil...

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Recovery of metal values from copper slags by flotation

This study was designed to recover copper and cobalt hydrometallurgically from an enriched concentrate of flotation and converter slag Three slag samples collected from the Ergani Copper Co of...

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Enhancing the flotation recovery of copper minerals in

Reverbetory furnace slag Copper recovery Flotation Milling and grinding ABSTRACT Namibia Custom Smelters NCS process a range of copper concentrates in their three furnaces namely top submerged lance copper converter and reverberatory furnaces in order to produce mattes and fayalitic slags The copper content of the slags range between 08...

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Minerals Free Full

Feb 17 2021 0183 32 Waste copper slag is a typical hazardous solid waste containing a variety of valuable elements and has not been effectively disposed of so far In this paper a stepwise extraction process was proposed to recover valuable elements copper iron lead and zinc from waste copper slag The specific procedures are as follows 1 A flotation process was adopted to enrich copper and when...

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equipment for recovering copper from furnace slags

equipment for recovering copper from furnace slags Pyrometallurgical production of copper generates two slags smelting furnace slag and converter slag which contain cu and cu respectively the following three methods are generally utilized for recovering the copper from these slags on an industrial scale i recycling of the converter slag to the smelting furnace...

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Recovery of Copper from Slow Cooled Ausmelt Furnace Slag

The recovery of copper by floatation from slow cooled Ausmelt furnace slag was studied in this paper The phases and composition of the slow cooled slag were analyzed The factors which affected the copper recovery efficiency such as grinding fineness pH value of flotation medium different collectors and floating process were investigated...

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Minerals Free Full

Waste copper slag is a typical hazardous solid waste containing a variety of valuable elements and has not been effectively disposed of so far In this paper a stepwise extraction process was proposed to recover valuable elements copper iron lead and zinc from waste copper slag The specific procedures are as follows 1 A flotation process was adopted to enrich copper and when the...

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Recovery of copper from converter slags by flotation /

Recovery of copper from converter slags by flotation / By Vernal E Edlund S J Hussey Salt Lake City Metallurgy Research Center US and United Stat Bureau of Min...

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THE EFFECT OF COOLING RATE OF SLAG FROM PRIMARY

The content of copper in the flotation tailings directly depends on fragmentation rate Figure 1 Expected content of copper in the flotation tailings in the case of cooling in pits is 05-09 and in the case of cooling in pots from 022 to 035 Cu Fig 1 The effect of fragmentation rate on the slag flotation...

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