Copper Recovery from Reverberatory Slag

Coarse slag, -1″ x 4 mesh, is treated in a 3-product Wemco heavy media system yielding a coarse final concentrate, a copper-enriched middling and a reject tailing. Screen undersize, -4 mesh x 0, is cycloned at approximately 100 mesh with the +100 mesh distributed to three 24″ x 36″ Denver Duplex mineral jigs.

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

Chemviron's technologies for metal recovery are the most flexible, robust and accepted in the industry. Our innovative products are recognized around the world as the most efficient in the recovery of gold, precious, rare earth and base metals, uranium, copper, nickel and …

Recovery of cobalt from slag in a DC arc furnace at ...

Copper Recovery Copper smelters are focused on copper recovery in Chile as elsewhere. Some experiences on recovery of products contained in slag have been developed in Chile as well as worldwide. Chilean smelters use pyrometallurgical techniques or slag flotation techniques to recover additional copper from slag5.

copper recovery from slag in south africa

copper content in the ore of copper depos-its, which are nowadays in exploitation. Slags, obtained by metallurgical treatment of copper, usually with different methods of preparation and concentration, are treated for recovery of copper. Smelter slag of reverberatory furnace is obtained in the process of metallurgical con-

Europe's Copper Industry - How Copper is Produced and ...

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 During ...

Copper Blast Furnace Smelting-Copper-

Aug 27, 2017· ALUMINIUM BRONZE SLAG MELTING - How Much Recovery From Remelting Old Slag - Casting Coin Blanks - Duration: 10:17. bigstackD Casting 76,794 views

Recovery of metal values from copper slag and reuse of ...

copper recovery from slag in South Africa is manufactured South Africa, South African Copper Slag in South Africa), mill, crusher, mobile . Chat Online. used copper crusher provider in south africac.

CHROMIC: NEW PROCESSES TO RECOVER METALS FROM …

Jun 12, 2017· Today's copper industry sees itself confronted with a variety of different residues and by-products. This situation can be explained by the decreasing content of copper in the primary ore concentrate and the multitude of further downstream processes and applications. This work aims at giving an overview of the different residues that derive from the primary as well as the secondary copper ...

RECOVERY OF COPPER FROM COPPER SLAG AND COPPER …

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Fayalite Based Slags: Metal Recovery and Utilization

Laboratory and pilot plant investigations have indicated that copper recoveries of 50% can be achieved with fine grinding and flotation of a copper reverberatory furnace slag. Microscopic and microprobe studies indicate that the recoverable copper is in the form of matte, chalcocite, and metallic copper; the percentage of copper in particles appearing to be copper-free was from 0.23 – 0.54% ...

Improving Copper Recovery from Production Slags by ...

Copper Recovery Copper smelters are focused on copper recovery in Chile as elsewhere. Some experiences on recovery of products contained in slag have been developed in Chile as well as worldwide. Chilean smelters use pyrometallurgical techniques or slag flotation techniques to recover additional copper from slag5.

Recover Copper from Reverberatory Furnace Slag

Improving Copper Recovery from Production Slags by Advances Stirring Methods Proceedings of EMC 2011 3 treated in the existing copper extraction route or separately in a subsequent reactor the slag phase can be used as construction material for example. 1.2 Conventional pyrometallurgical copper slag …

(PDF) Recovery of copper and cobalt from ancient slag

A byproduct of copper melting is the production of slag. Cal-Chem purchases this waste stream material and brings it to their facility in Globe, Arizona where it is cleaned, separated and crushed to prepare it as copper smelter feed. of the slag ends-up at a copper smelter which is an environmentally friendly alternative to landfill ...

Copper Slag - an overview | ScienceDirect Topics

Copper Recovery Services. Cal-Chem Metals works with Clients across North America on copper recovery projects. These copper reclamation projects include copper slag recovery, copper mud recovery and rod mill scale/filter paper recovery.

Recover Gold from Refinery Slag - YouTube

Copper smelting slag is produced from copper pyrometallurgy (both smelting and converting stages), usually grading at 0.3-3%. The slag may also contains lead & zinc minerals like galena, sphalerite. Copper mainly dwells in the slag in the form of bornite, chalcocite, chalcopyrite, and metallic copper.

Copper Recovery Services - Cal-chem Metals

Recovery of cobalt from slag in a DC arc furnace at Chambishi, Zambia. More recently, attention has been focused on the Nkana slag dump on the Zambian Copperbelt. More than six decades of copper mining and smelting at the site near Kitwe, 250 km north of Lusaka, have left behind about 20 million tons of slag grading between 0.3 and 2.6% cobalt ...

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Potrerillos smelter uses Codelco Teniente Converter technology for further refining copper after the smelting. The slag from this process contains 8-11% of copper. In the new concentrator the slag will then be processed to maximize copper recovery and metallurgical yield. The new plant will process 1,700 tonnes of slag per day.

REUTILISATION OF PRIMARY METALLURGICAL WASTES: …

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 0.97 0.59 Cu – oxides 0.15 0.06 Cu – sulphides 0.82 0.53 SiO 2 33.75 34.62 Al 2 O

EXPERIMENTAL INVESTIGATION ON COPPER SLAG AS FINE ...

Recovery of metal values from copper slag and reuse of residual secondary slag. Sarfo P(1), Das A(1), Wyss G(2), Young C(3). Author information: (1)Metallurgical and Materials Engineering, Montana Tech, Butte, MT 59701, United States. (2)Center for Advanced Mineral & Metallurgical Processing, Montana Tech, Butte, MT 59701, United States.

Recovery of Copper from Reverberatory Copper Slag and ...

Slag cleaning can enhance the recovery of valuable metals in existing pyrometallurgical processes, or can produce economic value from recycling old slag dumps. For example, a process has been developed and implemented industrially for recovering cobalt from copper smelting slag in a DC arc furnace.

Characterisation of copper slag in view of metal recovery ...

The main constituents of a copper slag are FeO and SiO 2, each present at about 20-55 wt%. The copper content of a smelter slag is normally around 1 wt% while converter slag contains in general much more Cu (2~25 wt%), which is much higher than that of copper ore (0.5~1 wt%), due to overoxidation and entrapment of metal droplets.

CHROMIC: NEW PROCESSES TO RECOVER METALS FROM …

3. Optimized furnace shell design with steam jacket amplifies reaction zone and smelting effect and reduces heat loss; 4. Reduced investment of waste heat exchanger for cooling the off-gas; 5. High metal recovery rate, normally less than 0.3% metal in slag; 6.