copper flotation from converter slags

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  • Applications: : Leaching of copper and zinc from copper converter slag The apparent activation energy was 538 and 513 kJ/mol for zinc and copper, respectively These results sh

copper flotation from converter slags

  • Leaching of copper and zinc from copper converter slag

    The apparent activation energy was 538 and 513 kJ/mol for zinc and copper, respectively These results show that the processes of zinc and copper leaching from converter slag flotation tailings are controlled by the rates of the chemical reactions on the particle surface (Habashi, 1969) Download : Download fullsize image; Fig 9Feb 08, 2017· 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 copperbearing mineral after a detailed mineralogy analysis via polarizing microscope, SEM and XRDThe Recovery of Copper from Smelting Slag by Flotation

  • (PDF) Recovery of Copper and Cobalt from Converter Slag

    The recommended technological parameters for leaching of copper (the most important component) from converter slag flotation tailings are: pulp density of 30% (w/v), pH 15, temperature of 70 °CReverbetory 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 08Enhancing the flotation recovery of copper minerals in

  • Hydrophobicsurface of copper from converter slag in the

    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 flotationTotal copper flotation recoveries before and after regrinding of the tailings using FC7245 note that copper in the converter and TSL slags is generally much higher(PDF) Enhancing the flotation recovery of copper minerals

  • Recovery of metal values from copper slags by flotation

    Recovery of metal values from copper slags by flotation and roasting with pyrite Roasting of copper converter slag containing 403% copper, 198% nickel and 048% cobalt with ammoniumTherefore, 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 slagsEnhancing the flotation recovery of copper minerals in

  • Enhancing the flotation recovery of copper minerals in

    Dec 31, 2019· that copper content of converter slags are generally higher than that of other smelter slags due to overoxidation and turbulence in the converting process, which encourages entrapment of metal droplets in the slag Figure 8 Total copper flotation recoveries before and after regrinding of the tailings using FC4146All these three furnaces produce fayalite slag as a byproduct The slags contain copper with the content ranging between 08 to 5% copper The slags cannot be discarded due to the high content of copper and hence they are sent to a milling and flotation plant (Slag Mill Plant) for liberation and recovery of copperOptimization of the flotation of copper smelter slags from

  • milling and flotation of slow cooled copper slag

    techniques, such as slag cleaning, slow cooling of the slag followed by milling and flotation, are inappropriate for cobalt recovery from converter slag [7−8] Read More Minimization of Copper Losses in Copper Smelting Slag DuringThis 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 ofRecovery of Copper and Cobalt from Concentrate and

  • copper flotation from converter slags

    copper flotation from converter slags; Slag Wikipedia Ferrous and nonferrous smelting processes produce different slags The smelting of copper and lead in nonferrous smelting for instance is designed to remove the Get Price; Chapter 82 Metal Processing and Metal Working IndustryAdditional Physical Format: Online version: Edlund, VE (Vernal E) Recovery of copper from converter slags by flotation [Washington, DC] : US Dept ofRecovery of copper from converter slags by flotation (Book

  • The Recovery of Copper from Smelting Slag by Flotation

    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 whichLaboratory batch flotation tests were conducted on copper converter slags to evaluate the relative merits of recovering copper from slow cooled versus waterquenched slags Three slags containing 16, 50, and 66 percent copper were used Centers for Disease Control and Prevention

  • USA Flotation process for copper ores and copper

    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 oilOct 10, 2015· The information will help in the flotation of copper smelter slag for better copper grade and recovery Abstract Present work focuses on the differences in the performances obtained in the froth flotation of copper smelter slag with multiple collector viz sodium isopropyl xanthate (SIPX), sodium diethyl dithiophosphate (DTP) and alkylFlotation of copper sulphide from copper smelter slag

  • Improving Beneficiation of Copper and Iron from Copper

    approximately 12 million tons of copper slag is produced every year, and the amount of accumulated waster copper slag reached 140 million ton by 2015 in China [6] Generally, copper slag contains about 35–45 wt % iron and 05–15 wt % copper, indicating that it is a valuable secondary resource for recycling and utilization [3]Laboratory batch flotation tests were conducted on copper converter slags to evaluate the relative merits of recovering copper from slow cooled versus waterquenched slags Three slags containing 16, 50, and 66 percent copper were used Centers for Disease Control and Prevention

  • USA Flotation process for copper ores and copper

    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 oilOct 10, 2015· The information will help in the flotation of copper smelter slag for better copper grade and recovery Abstract Present work focuses on the differences in the performances obtained in the froth flotation of copper smelter slag with multiple collector viz sodium isopropyl xanthate (SIPX), sodium diethyl dithiophosphate (DTP) and alkylFlotation of copper sulphide from copper smelter slag

  • Improving Beneficiation of Copper and Iron from Copper

    approximately 12 million tons of copper slag is produced every year, and the amount of accumulated waster copper slag reached 140 million ton by 2015 in China [6] Generally, copper slag contains about 35–45 wt % iron and 05–15 wt % copper, indicating that it is a valuable secondary resource for recycling and utilization [3]1 Introduction Copper extraction from Cu–Fe–S minerals is a pyrometallurgical process that entails obtaining a Cuconcentrate by froth flotation, smelting it to molten highCu matte, the conversion of molten matte to molten blister copper, which is finally electrorefined to ultrapure copperBiorecovery of copper from converter slags: Slags

  • milling and flotation of slow cooled copper slag

    Pilotplant testwork at Mintek and copper smelters Slags are sometimes treated by slow cooling, milling, and flotation Recovery of Copper and Cobalt from Concentrate and Converter Slag This study was designed to recover copper and cobalt hydrometallurgically from an enriched concentrate of flotation and converter slag Learn MoreRecovery of Copper and Cobalt from Converter Slag with a New Flotation Method Using H2S 71 Table 1 The spectral wavelength of metal for AAS Metal Wavelength (nm) Silit (nm) Current (mA) OxidantFuel Copper 32475 05 3 AirAcetylene Cobalt 24073 02 10 AirAcetylene Table 2 Flotation condition at different pHs2Recovery of Copper and Cobalt from Converter Slag with

  • copperflotationfromconverterslags

    Therecoveryofcopper,byflotation,fromcalcium Scribd is the world''s largest The results in Table 3 and Figs Low copper Flotation tests Previous flotation work on continuous converter slagsMANAGEMENT OF COPPER PYROMETALLURGICAL SLAGS 543 Introduction During the last years, due to worldwide economic the classical processes of flotation and pyrometallurgical extraction Seven copper smelter plants, converter, Anode andManagement of copper pyrometallurgical slags: giving

  • RECOVERY OF COPPER FROM COPPER SLAG AND COPPER

    Recovery of copper from copper slag and copper slag flotation tailings 75by oxidative leaching Table 1 Chemical compositions of the copper smelter slag and the slag flotation tailings Constituent Content (wt%) Copper Slag Slag Flotation Tailings Cu – total 097 059 Cu – oxides 015 006 Cu – sulphides 082 053 SiO 2 3375 3462 Al 2 OThe recovery of copper and cobalt from ancient copper slags from the Küre region of Turkey was investigated A fayalitictype of ancient copper slag containing 124% Cu, 053% Co and 5316% Fe were subjected to an experimental study Two different routes were followed to recover the metal values The first route was roasting the slag with pyrite followed by leachingRecovery of metal values from copper slags by flotation

  • 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 copper 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%The Naoshima Smelter has employed the convert er slag flotation method in order to increase reverberatory smelting capacity instead of returning slag to the reverberatory furnace As the result, we could point out the following advantages; 1) Copper anode produced from copper concentrate was increased 25%, from 3,000T/M to 3,800T/MConverter Slag Flotation—its Effect on Copper

  • OUTOTEC FLASH SMELTING TECHNOLOGY

    Outotec Flash Smelting technology is suitable for both new installations and modernization and expansion of existing copper and nickel plants Retrofitting Outotec’s technology at existing smelting sites can result in a threefold increase in capacity and internal efficiencies We continuously develop our Flash Smelting process in