copper recovery from slag in indonesia



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EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN THE LARGE ,

Efficiency of Copper Recovery from a Slag in the Large Electric Furnace Figure 4: Calculated copper content in a slag versus time based on simple gravitational settling and gravitational coalescence model The gravitational coalescence model did not show significant removal of metallic copper...

CHARACTERISATION OF COPPER SLAG IN VIEW OF

^Characterization of copper slag in view of copper recovery _, (submitted to the Journal of Minerals Engineering for consideration) 2013 5 T D Peterson, ^A refined technique for measuring crystal size distributions in thin section _, Contrib Mineral Petrol, 124 (3-4) 395-405 (1996)...

Heavy Metal Recovery from Slags of Copper Production via ,

4 Slag cleaning by using additives The copper recovery from slag during smelting is generally related to the settling be-haviour of the matte The settling velocity mainly depends on the size of the particl Metallic/matte droplets with a big diameter settle very fast, smaller particles settle much slower to the ground of the bath...

Recovery of cobalt, nickel, and copper from slags, using ,

Copper sulphide and copper metal (with its inherent cobalt content), because of their higher densities and immiscibility with the slag, settle from the molten slag into the metal bath Improving recoveries via this mechanism would involve decreasing the viscosity of the slag (by increased temperature or flux additions), and / or increasing the settling time to allow smaller droplets to fall...

LEACHING KINETICS OF CU, CO, ZN, PB AND FE FROM COPPER ,

recovery process from the slag Converter slags produced in copper productions contains high amounts of valuable metals like Cu, Co, Ni and Zn (Altundogan et al 2004), however, the composition of the slag will depend on the origin of the raw material/ore being processed and the ,...

Pyrometallurgical recovery of copper from slag material ,

Mechanically entrained or suspended copper appears in slag as globules in the size range of from about 5 to 100 microns, and for all practical purposes, these globules will not settle out A process is disclosed in US Pat No 3,682,623 for recovering copper, as black copper, from slags containing copper ,...

(PDF) Recovery of metal values from copper smelter slags ,

For the Rokana slag, the copper and cobalt recoveries were 885% and 436%, respectively The results of this study have shown that the roasting of copper slags with pyrite, followed by water leaching of the calcines obtained, is a good method for copper recovery, but only a proportion of the cobalt, nickel and zinc is extracted...

Recovery of Copper from Reverberatory Copper Slag and ,

The optimum digestion temperature is 250oC, at which a high recovery of copper from copper slag is achieved Figure 7 Copper in the residue at various digestion temperatur Effect of Digestion Time at 250oC Figure 8 shows that 2 hours of digestion at 250oC was adequate 0 20 40 60 80 100 120 140 160...

How to Recover Copper from Slag by Flotation

03-02-2021· Recovery of copper in concentrates from slags cooled in the induction furnace and ground for 30 minutes ranged from 871 to 962 percent with the best recovery obtained on the highest grade slag sample Copper content of the flotation tailings, which is the most important indicator, ranged from 026 to 039 percent...

Pyrometallurgical recovery of copper from slag material ,

Mechanically entrained or suspended copper appears in slag as globules in the size range of from about 5 to 100 microns, and for all practical purposes, these globules will not settle out A process is disclosed in US Pat No 3,682,623 for recovering copper, as black copper, from slags containing copper ,...

Separation & sorting technology for recycling incineration ,

The exact adjustability of the splitter plate makes it possible for non-ferrous metals (aluminium, copper, brass, zinc etc) to be recovered even from particularly fine residu The high rotation speed (with 38 poles and up to 4000 rpm) even thin copper cables and ,...

Recovery of Copper from Copper Slag by Hydrometallurgy ,

Recovery of copper by electrochemical technique from dross scrap of the state Company for Electrical Industries was studied by [9] After many chemical process he was recovered 4375% Cu from dross scrap with purity 999967% Hydrometallurgical method to recovery copper, zinc and cobalt, from copper smelter slag in the presence of...

(PDF) Recovery of metal values from copper smelter slags ,

For the Rokana slag, the copper and cobalt recoveries were 885% and 436%, respectively The results of this study have shown that the roasting of copper slags with pyrite, followed by water leaching of the calcines obtained, is a good method for copper recovery, but only a proportion of the cobalt, nickel and zinc is extracted...

EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN THE LARGE ,

Efficiency of Copper Recovery from a Slag in the Large Electric Furnace Figure 4: Calculated copper content in a slag versus time based on simple gravitational settling and gravitational coalescence model The gravitational coalescence model did not show significant removal of metallic copper...

Pyrometallurgical recovery of copper from slag material ,

Mechanically entrained or suspended copper appears in slag as globules in the size range of from about 5 to 100 microns, and for all practical purposes, these globules will not settle out A process is disclosed in US Pat No 3,682,623 for recovering copper, as black copper, from slags containing copper ,...

Recovery of metal values from copper slag and reuse of ,

Copper slag was characterized and processed The pyro-metallurgical processing prospects to generate utilizable materials were arrived at through rigorous thermodynamic analysis Carbothermal reduction at elevated temperature (near 1440°C) helped recover a majority of the metal values (eg, Fe, Cu and Mo) into the iron-rich alloy product which can be a feed material for steel making...

Recovery of Valuable Metals from Copper Smelter Slag by ,

26-11-2018· In the present paper, recovery of valuable metals from copper smelter slag of Balkhash copper plant (Kazakhstan) was investigated To recover Fe, Zn and Cu to water-soluble form, the mixture of 150 g of copper slag and 60 g of 85% sulfuric acid was granulated and then roasted in the temperature range of 473–643 K (200–370 °C) followed by sulfuric acid leaching Once the roasting ....

(PDF) Recovery of Copper and Cobalt from Copper Slags as ,

A study of the recovery of copper, nickel and cobalt from copper converter and smelter slags by leaching with ferric chloride is reported The converter slag from Ghatsila, India contained 403% ....

RECOVERY OF COPPER FROM SMELTING SLAG BY SULPHATION ,

Recovery of copper from smelting slag by sulphation roasting and water leaching 411 Materials and experimental methods Experiments were conducted using a reverberatory furnace slag from the Bor Copper Concentrator, Serbia The slag was sampled from the crushing line before entering the milling section of the concentrator...

2-Recovery of Copper and Cobalt from Copper Slags as Selective

Recovery of Copper and Cobalt from Copper Slags as Selective 390 Table 2 Operating conditions for ICP-OES Parameter Power (W) 1,450 Plasma gas flow rate (Lmin-1) 15 Auxiliary gas flow rate (Lmin-1) 02 Nebulizer gas flow rate (Lmin-1) 08 Sample flow rate (Lmin-1) 15 View mode Axial-radial...

2-Recovery of Copper and Cobalt from Copper Slags as Selective

Recovery of Copper and Cobalt from Copper Slags as Selective 390 Table 2 Operating conditions for ICP-OES Parameter Power (W) 1,450 Plasma gas flow rate (Lmin-1) 15 Auxiliary gas flow rate (Lmin-1) 02 Nebulizer gas flow rate (Lmin-1) 08 Sample flow rate (Lmin-1) 15 View mode Axial-radial...

US3868440A - Recovery of metal values from copper slag ,

A hydrometallurgical process for treating slag material, especially copper smelter slag material, comprises vigorously mixing the slag material with about one part by weight of sulfuric acid and about one part by weight of water for each part by weight of the slag material, and allowing the resulting mixture to react to produce a dry, solid material, containing the metal values of the slag in ....

CHARACTERISATION OF COPPER SLAG IN VIEW OF

^Characterization of copper slag in view of copper recovery _, (submitted to the Journal of Minerals Engineering for consideration) 2013 5 T D Peterson, ^A refined technique for measuring crystal size distributions in thin section _, Contrib Mineral Petrol, 124 (3-4) 395-405 (1996)...

RECOVERY OF COPPER FROM COPPER SLAG AND COPPER SLAG ,

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 097 059 Cu – oxides 015 006 Cu – sulphides 082 053 SiO 2 3375 3462 Al 2 O...

US3868440A - Recovery of metal values from copper slag ,

A hydrometallurgical process for treating slag material, especially copper smelter slag material, comprises vigorously mixing the slag material with about one part by weight of sulfuric acid and about one part by weight of water for each part by weight of the slag material, and allowing the resulting mixture to react to produce a dry, solid material, containing the metal values of the slag in ....

Leveraging a Resource Recovery Opportunity - Sembcorp ,

Leveraging a Resource Recovery Opportunity Used copper slag is one of the largest by-products of shipyard operations The industry generates an estimated 300,000 tonnes of copper slag a year Conventional methods of disposal relied heavily on landfill dumping which contributed negatively to the environmental landscape of land-scarce Singapore...

Recovery of copper and cobalt from ancient slag - Gülay ,

01-04-2006· 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 Two different methods, direct acid leaching and acid baking followed by hot water leaching were used for recovering Cu and Co from the slag...

Improving Copper Recovery from Production Slags by ,

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 12 Conventional pyrometallurgical copper slag ,...

(PDF) Base metals recovery from copper smelter slag by ,

Copper and iron recovery as a function of leaching time by Zinc stripping (%) A/O 1:1 – 091 975 – oxidising leaching with H2SO4 of copper slag (10% solid, content A/O 1:4 – 065 954 – size: < 100 Am, pH 25, temperature: 70 jC)...

US3666440A - Method of recovering copper from slag ,

copper is recovered from copper-containing slag by putting the matte and slag in a molten state together in a slag treating furnace at a volume ration of more than 1:5, the melts in the furnace being maintained under agitation so that the slag and matte are in intimate contact so as to efficiently transfer copper from the slag to the matte...