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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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Dec 30, 2015· copper flotation from converter slags - fenixconsultingeu Leaching of copper and zinc from copper converter slag flotation Leaching of converter slag flotation tailings from the Svyatogor copper smeltery (Sverdlovsk region, Russia) by sulfuric acid solutions containing ferric ions w ,
Optimization of the flotation of copper smelter slags from Namibia Custom Smelters’ Slag Mill Plant Elias Sipunga A research report submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, in partial fulfillment of the requirements for the degree of Master of Science in Engineering
Key words: Converter slag, flotation, copper, cobalt, sulphurization 1 Introduction Copper slag is produced in large amounts in seven copper smelter plants in Chile, and it is estimated that around 4 million tons of slag are disposed every year and another ,
Mar 01, 2004· The recovery of copper from reverberatory furnace slag utilizing flotation has been studied The effective factors such as particle size, pH, the amount and type of collector and additives, and flotation time were examined The effect of cooling rate on flotation behavior of the slag ,
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
About 25 million tonnes of copper smelter slag are available in Küre, northern part of Turkey This slag contains large amounts of metallic values such as copper and cobalt A representative slag sample containing 098% Cu, 049% Co and 5147% Fe was used in the experimental studi
Aug 26, 2016· Portable Crushing Plant; Grinding Mill copper flotation process in malaysia manufacturer in Shanghai Flotation Reagents Copper Slag copper flotation from converter slags copper flotation from .
TiJmen, F and Bailey, NT, 1990 Recovery of metal values from copper smelter slags by roasting with pyrite Hydrometallurgy, 25:317-328 Sulphation roasting of primary and secondary copper slags has been carried out to facilitate the dissolution of copper, nickel, cobalt, zinc and iron
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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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
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 ammonium .
In the November issue of Teniente Topics, the monthly publication of the Braden Copper Co, Chile, a member of the staff briefly outlines the development of the smelter from 1909 to the present time Metallurgical difficulties have been many, but were overcome, in spite of being 6000 miles from the base of suppli The plant now treats 350 tons of concentrate daily, yielding 60 tons of copper .
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 .
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
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 recovery of copper from slag However, due.
In the first flotation stage, as much copper as possible is recovered in a rougher concentrate so that as little as possible goes to the tailings To increase the copper recovery , intermediate products (eg, cement copper or copper(I) oxide precipitates), reverts (eg, converter slag, refining slag, or flue dusts), and copper-alloy scrap
Recovery of copper from converter slags by flotation / by VE Edlund and SJ Hussey
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 .
123 Primary Copper Smelting 1231 General1 Copper ore is produced in 13 stat In 1989, Arizona produced 60 percent of the total U S ore Fourteen domestic mines accounted for more than 95 percent of the 145 megagrams (Mg)
Mihajlović - The effect of cooling rate of slag from primary copper production , 129 In Table 1 an overview is given of copper content in flotation tailings in smelters which process slag by flotation Table 1 Copper content in flotation tailings in different smelters Smelter %Cu Almalykskii, Russia 0,27 Garfield, USA 0,48 Guixi, China 0,50
Recovery of Copper and Cobalt from Copper Slags as Selective 389 intervals By treatment with hot water, recovery of copper and cobalt from the ore mixture was aimed selectively 2 Experiment 21 Sample Preparation The slag sample used in this investigation is a composite from different levels of the copper slag
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
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 ,
copper slag recovery through a flotation route Almost in all of the flotation methods used to recover copper from slags, the Cu recovery was associated with many problems such as high grade of copper in tailing In the present study, the use of grinding time increased the copper slag recovery a lot
MANAGEMENT OF COPPER PYROMETALLURGICAL SLAGS 543 Introduction During the last years, due to world-wide economic recession and a large inventory of stock, copper reached a historical value of 059 US$/pound in 2001 This fact meant closing down many important mining companies in the world, mainly in USA On the other hand, strong