copper flotation from converter slags

COPPER Copper production - TU Delft

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 (e.g., cement copper or copper(I) oxide precipitates), reverts (e.g., converter slag, refining slag, or flue dusts), and copper-alloy scrap.

Recovery of copper from converter slags by flotation (Book ...

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Froth flotation - Wikipedia

Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.

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.

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 4.03% copper, 1.98% nickel and 0.48% cobalt with ammonium ...

Copper extraction - Wikipedia

Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper consists of a series of physical and electrochemical processes. Methods have evolved and vary with country depending on the ore source, local environmental regulations, and other factors.

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

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 ...

pper flotation from nverter slags - MC World.INC

copper flotation from Converter slags - diebold-bau. 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 ...

Recovery of copper and cobalt from ancient slag - Gülay ...

About 2.5 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 0.98% Cu, 0.49% Co and 51.47% Fe was used in the experimental studies.

US4022686A - 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 oil ...

(PDF) Copper Processing Slags: Problems and Answers

Return converter slag ... Copper slags and wastes from the flotation of copper ores were used in this study. The chemolithotrophic bacteria Thiobacillus ferrooxidans were used to leach the ...

Enhancing the flotation recovery of copper minerals in ...

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.

Hydrophobic-surface of copper from converter slag in the ...

The converter slag from a smeltery in Daye contains 2.01% 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.

copper flotation from converter slags

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.

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 polarizing microscope, SEM and XRD.

Recovery of copper, cobalt, and zinc from copper smelter ...

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.

flotation of copper slag in greece

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 ...

RECOVERY OF COPPER FROM COPPER SLAG AND COPPER …

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.

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

Optimization of the flotation of copper smelter slags from ...

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

Leaching of copper and zinc from copper converter slag ...

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.

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' - 3.2 MVA. Large-scale testwork on converter slag was conducted, during 1994, on a 3.2 MVA DC-arc furnace operating at a …

Copper Smelting - an overview | ScienceDirect Topics

This reagent is widely used in the selective flotation of lead–copper–zinc and copper–zinc ores to depress sphalerite, pyrite, and certain copper sulfides. Sphalerite rejection from copper concentrates is often of major concern, as zinc is a penalty element in copper smelting. Cyanide chemistry is comprehensively reviewed by Guo et al ...

Recovery Of Copper From Reverberatory Furnace Slag By ...

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 ...

Processing of copper converter slag for metal reclamation ...

copper converter slag, such as re-smelting or flotation, are effective for recovering the copper only (Biswas & Daven-port 1994). The cobalt in converter slag, however, remains in re-smelting slag or flotation tailings, and eventually gets lost with their disposal. The recovery of cobalt from slag requires a special separation process.

Improving Beneficiation of Copper and Iron from Copper ...

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 …

copper flotation from converter slags

copper flotation from converter slags. If you want to get more detailed product information and prices, ZME recommend that you get in touch with us through online chat. Recovery of Copper from Converter Slags by Flotation.

Management of copper pyrometallurgical slags: giving ...

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 Recovery of Copper from Smelting Slag by Flotation ...

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 copper-bearing mineral after a detailed mineralogy analysis via polarizing microscope, SEM and XRD.

Recovery of metal values from copper slags by flotation ...

The second route was flotation of the slags, roasting of the flotation tailings with pyrite and leaching. The second route was found to be suitable for the treatment of the copper slag studied. In the flotation step, a copper concentrate containing approximately 11% Cu was produced with a 77% recovery while 93% of the cobalt stayed in the tailings.

NIOSHTIC-2 Publications Search - 10008796 - Recovery of ...

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.

(PDF) Enhancing the flotation recovery of copper minerals ...

note that copper in the converter and TSL slags is generally much higher. ... Slag flotation has the advantages of more efficient Cu recovery and the possibility of using existing crushing ...