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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 .
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 polarizing microscope, SEM and XRD.
Laboratory batch flotation tests were conducted on copper converter slags to evaluate the relative merits of recovering copper from slow- cooled versus water-quenched slags. Three slags containing 1.6, 5.0, and 6.6 percent copper were used.
Converter slag 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
This study investigated leaching of metals i.e. Cu, Co and Zn from flotation tailings of a copper smelter slag using sulphuric acid solutions in the absence/presence of hydrogen peroxide.
Highlights Cu is efficiently leached from copper-zinc waste by H 2 SO 4 solutions with Fe 3+ ions. Fe 3+ ions inhibit zinc and iron leaching from converter slag flotation tailings. Copper and zinc leaching is controlled by chemical reaction on the particle surface.
Table 1 shows that chalcocite is the main copper bearing mineral in the converter slag. In the TSL slag, copper is in the form of chalcocite, digenite and bornite. No copper containing minerals were detected in reverberatory slag, as it contains less than 1% copper.
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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.
Copper Flotation From Converter Slag. 2Recovery of Copper and Cobalt from Converter Slag . 2018820 Key words Converter slag flotation copper cobalt sulphuriation. 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 ...
to induce the grain growth of copper matte and magnetite by modifying the molten copper slag. As a result, it is effective to improve recovery and separation of copper and iron from the copper slag; meanwhile, the latent heat energy of the molten slag was effectively utilized and .
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
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
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.
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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 ...
First, occurs the conversion of lead sulfate to lead sulfide by the additionof .... of collectors for the flotation of a slag containing copper, iron and silicon. Get Quote; スラグのクリーニングと. Recycling copper converter slag back to the flash furnace has been practicedand ..... Leaching of converter slag flotation tailings from the.
copper flotation from converter slags,Our company is a large-scale heavy enterprise that taking heavy mining machinery manufactory as main products and integrated with scientific research, production, and marketing. We are concentrating on producing and selling machines such as jaw crusher, cone crusher, hammer crusher, ball mill, sand maker, mobile crushing plant
PDF Recovery of Copper and Cobalt from Converter Slag . Roasting of copper converter slag containing 4.03% copper, 1.98% nickel and 0.48% cobalt with ammonium sulphate open to atmosphere has been carried out in order to achieve sulphation of copper . Inquire Now; Froth flotationWikipedia. Froth flotation is a process for selectively separating ...
Copper Loss in Slag. ... The Teniente Converter high copper content slag is cleaned in an electric furnace. ... and quantitative electron microprobe analysis of the slag samples and by flotation ...
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 0.59 US$/pound in 2001. This fact meant closing down many important mining companies in the world, mainly in USA. On the other hand, strong
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' - 3.2 MVA. Large-scale testwork on converter slag was conducted, during 1994, on a 3.2 MVA DC-arc furnace operating at a .
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, ii cleaning of smelting andor converter slags in electric furnaces and iii flotation.Metallic copper and sulphide copper present in these slags can be floated very.
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...
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