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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. Nickelcopper converter slag ''B'' MVA. Largescale testwork on converter slag was conducted, during 1994, on a MVA DCarc furnace operating at a .
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 .
Feb 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 XRD.
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 [Chat Online]
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 was also studied.
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 nowuncommon form is batch treatment of pig iron to produce steel by the Bessemer process. The vessel used was called the Bessemer converter.
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. Nickelcopper converter slag ''B'' MVA. Largescale testwork on converter slag was conducted, during 1994, on a MVA DCarc furnace operating at a .
A study on the recovery of copper, cobalt, and zinc from copper smelter and converter slags by roasting with sulfuric acid has been conducted. Acid roasting of slags followed by hot water leaching was carried out to bring the metal values into solution.
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.
Abstract: Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide. Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings.
MANAGEMENT OF COPPER PYROMETALLURGICAL SLAGS 543 Introduction During the last years, due to worldwide economic recession and a large inventory of stock, copper reached a historical value of US/pound in 2001. This fact meant closing down many important mining companies in the world, mainly in USA. On the other hand, strong
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 ...
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
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 (, cement copper or copper(I) oxide precipitates), reverts (, converter slag, refining slag, or flue dusts), and copperalloy scrap.
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 conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, .
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
This work presents the study of copper extraction from smelter slag, which is subjected to sulphating. Sulphating of slag was performed by pyrite concentrate or flotation tailings at temperatures from 500 to 650°C, and the resulting calcine was leached with water. The results showed that maximum copper
Recovery of metal values from copper slags by flotation and roasting with pyrite. ... Roasting of copper converter slag containing % copper, .
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About 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 % Cu, % Co and % Fe was used in .
copper flotation from converter slags YouTube. Aug 25, 2016 This is a simple video slideshow, if you want to know more details, please click on our website, we will provide a p. Leaching of copper and zinc from copper converter slag flotation .
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 Sample Preparation The slag sample used in this investigation is a composite from different levels of the copper slag
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