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Recovery of Copper from Copper Sulfide Concentrate by

2015-2-16  fides and copper sulfide for med copper sulfate, whereas iron sulfide converted mostly to hematite at 500˚C [9]. In the present work, a sulfation roasting-acid leaching process that associated pyrometallurgical and hydro-metallurgical methods has been used for the recovery of copper from a copper sulfide concentrate. The reactions

Leaching of Copper Sulphides SAIMM

2016-6-8  worth noting, firstly the acid generated in the oxidation of the sulphides in the concentrate pressure leaching step and that produced in the extraction of copper from the pregnant leach solution (PLS) is available for use in a copper heap leaching unit process. In this way, an acid credit to the operating cost is derived (Dreisinger, 2006).

Recovery of Copper from Copper Sulfide Concentrate by

2015-3-5  Sulfation roasting was studied to extract copper from the copper sulfide concentrate. Sodium sulfite was added as sulfation agent to the copper sulfide

REACTION MECHANISM AND KINETICS OF SULFIDE

2017-9-27  Sulfide copper concentrate from domestic ore deposit (Bor, Serbia) was subjected to oxidation in the air atmosphere due to a better understanding of reaction mechanism and oxidation of various sulfides present in the copper concentrate at elevated temperatures. Results of the initial sample characterization showed that

Copper Sulphide Concentrate Drying Thickening,

2021-11-28  We produce a sulphide copper concentrate at moistures ranging from 11-13% on average but require a moisture of no more than 10.6% for shipment (and of course would like to achieve even lower moistures in order to save on shipping costs). At present, we spread out our product stockpiles in

(PDF) Recovering gold from copper concentrate via the

Gold is leached at potentials >600 mV vs. Ag/AgCl and recovered from the solution by precipitating it on activated carbon or copper concentrate (Hyvärinen et al. 2004, Haavanlammi et al., 2007b

Extraction Of Copper From Sulfide Ore MiningPedia

2021-9-30  The extraction of copper from sulfide ore is essentially a process of separating copper sulfide and iron sulfide. The methods are flotation, mixed-priority flotation, partial mixed flotation, direct priority flotation, separation of mud and sand.

Segregation Process of Mixed Sulphide Copper Ore

2016-5-21  Segregation Process of Mixed Sulphide Copper Ore. Sulphide copper ores are normally concentrated by flotation while the oxide ores undergo hydrometallurgical

US6455019B2 Process for the extraction of copper from a

A process for the extraction of copper from a sulphide ore or concentrate comprises the steps of subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containing halide and sulphate ions to obtain a resulting pressure oxidation slurry. The slurry is subjected to a liquid/solid separation step to obtain a resulting pressure oxidation filtrate

Flotation of Cu and Pb sulfide concentrates containing

A process for the beneficiation of lead or copper-lead sulphide ore or concentrate containing calcium and magnesium carbonates wherein the ore or concentrate is conditioned with a limited amount of sulphuric acid to form an acidic slurry and subjecting the acidic slurry to froth flotation whereby an upgraded concentrate and a tailing comprising calcium and magnesium sulphate are obtained.

Recovery of Copper from Copper Sulfide Concentrate by

2015-2-16  fides and copper sulfide for med copper sulfate, whereas iron sulfide converted mostly to hematite at 500˚C [9]. In the present work, a sulfation roasting-acid leaching process that associated pyrometallurgical and hydro-metallurgical methods has been used for the recovery of copper from a copper sulfide concentrate. The reactions

CANATUAN CU/ZN FLOTATION METALLURGY

2015-11-12  During the initial stages of sulphide operation, high copper (Cu)-low zinc (Zn) ore was fed to the plant. Marketable copper concentrate at 91-95% recovery was produced utilizing a high-pH bulk sulphide rougher flotation and 2 cleaning stages. Because of increased levels of Zn of the ore body, a Cu/Zn separation circuit was initiated in early

Recovery of Copper from Copper Sulfide Concentrate by

2015-3-5  Sulfation roasting was studied to extract copper from the copper sulfide concentrate. Sodium sulfite was added as sulfation agent to the copper sulfide concentrate during roasting in this study. Sulfur removal rate at different roasting

REACTION MECHANISM AND KINETICS OF SULFIDE

2017-9-27  Sulfide copper concentrate from domestic ore deposit (Bor, Serbia) was subjected to oxidation in the air atmosphere due to a better understanding of reaction mechanism and oxidation of various sulfides present in the copper concentrate at elevated temperatures. Results of the initial sample characterization showed that

PROCESS FOR EXTRACTING COPPER FROM SULFIDE ORES

The process according to claim 4, wherein said iron sulfide concentrate is roasted in the presence of excess oxygen to produce a calcine of iron oxide, wherein sponge iron is produced from said iron oxide, adapted for precipitating copper from the sulfur dioxide treated pregnant solution that has resulted from the leaching of the copper oxide ore.

Current Situation on Flotation of Cu-Pb-Zn Sulfide Ore

Current Situation on Flotation of Cu-Pb-Zn Sulfide Ore Jian-Tao Lang1, Si-Qing Liu2,*, Xu Dong3,Yi Pei4 1,2,3,4 Kunming University of Science and Technology, Kunming City, Yunnan Province, China *[email protected] Keywords: Copper-lead-zinc sulfide ore, Flotation process, Separation of bulk concentrate, Flotation column Abstract. In the flotation of copper lead zinc polymetallic sulfide

In–situ XRD and EDS method study on the oxidation

2017-6-12  The oxidation mechanism of sulfides is the key issue during the sulphide–metallurgy process. In this study, the phase transformation and element migration were clearly demonstrated by

Smelting of Nickel-Copper and Nickel Sulfide

Smelting of Nickel-Copper and Nickel Sulfide Nickel ores are mainly divided into copper-nickel sulfide ore and nickel oxide ore. Their beneficiation and smelting processes are completely different. Today, the smelting process of copper-nickel sulfide ore is mainly introduced. Method of stone selection Flotation is the most important method for the beneficiation of copper-nickel sulfide ores

The cuprex metal extraction process: Recovering copper

The Cuprex™ metal extraction process produces cathode-grade copper using a hydrometallurgical process based on chloride leaching of sulfide ore concentrates. The process incorporates several novel steps to overcome the major problems associated with earlier chloride-based processes, including mild leaching conditions using ferric chloride as leachant and solvent extraction of copper usinga

Flotation of Cu and Pb sulfide concentrates containing

A process for the beneficiation of lead or copper-lead sulphide ore or concentrate containing calcium and magnesium carbonates wherein the ore or concentrate is conditioned with a limited amount of sulphuric acid to form an acidic slurry and subjecting the acidic slurry to froth flotation whereby an upgraded concentrate and a tailing comprising calcium and magnesium sulphate are obtained.

Recovery of Copper from Copper Sulfide Concentrate by

2015-2-16  fides and copper sulfide for med copper sulfate, whereas iron sulfide converted mostly to hematite at 500˚C [9]. In the present work, a sulfation roasting-acid leaching process that associated pyrometallurgical and hydro-metallurgical methods has been used for the recovery of copper from a copper sulfide concentrate. The reactions

CANATUAN CU/ZN FLOTATION METALLURGY

2015-11-12  During the initial stages of sulphide operation, high copper (Cu)-low zinc (Zn) ore was fed to the plant. Marketable copper concentrate at 91-95% recovery was produced utilizing a high-pH bulk sulphide rougher flotation and 2 cleaning stages. Because of increased levels of Zn of the ore body, a Cu/Zn separation circuit was initiated in early

Recovery of Copper from Copper Sulfide Concentrate by

2015-3-5  Sulfation roasting was studied to extract copper from the copper sulfide concentrate. Sodium sulfite was added as sulfation agent to the copper sulfide concentrate during roasting in this study. Sulfur removal rate at different roasting

REACTION MECHANISM AND KINETICS OF SULFIDE

2017-9-27  Sulfide copper concentrate from domestic ore deposit (Bor, Serbia) was subjected to oxidation in the air atmosphere due to a better understanding of reaction mechanism and oxidation of various sulfides present in the copper concentrate at elevated temperatures. Results of the initial sample characterization showed that

Estimated Water Requirements for the Conventional

2012-5-3  the amount of water required to process copper sulfide ore through a conventional crush-grind-flotation-concentrate circuit ranges from roughly 1.5 metric tons (t) to about 3.5 t of water to process 1 t of ore [Wels and Robertson, 2003, 2004; Misra and

(PDF) LEACHING OF A ROASTED COPPER SULFIDE ORE

LEACHING OF A ROASTED COPPER SULFIDE ORE Rosselle Kim P. Castillano, Wilfredo T. Gatdula Jr., Gin Derick L. Magno, Jhunalyn H. Parantar METE 157N: HYDROMETALLURGY LABORTORY ABSTRACT Sulphide ores of copper are insoluble in dilute sulphuric acid leaching solutions, but a very high extraction can be obtained if the copper ore is in the oxidized condition.

In–situ XRD and EDS method study on the oxidation

2017-6-12  Phase evolution during oxidation process. To investigate the thermodynamics of the Ni–Cu sulphide mineral system, a phase–stability diagram for the Ni 4.5 Fe 4.5 S 8 –CuFeS 2 –SO 2 –O 2

What is Copper Concentrate? Arij Trading

2021-12-3  Copper sulfide ores must be concentrated before they can be economically transported and smelted. The universal technique for this concentration is the froth flotation of finely ground ore. Froth flotation involves attaching fine Cu-sulfide mineral

Determination of sulphide concentrates of ore copper by

Determination of sulphide concentrates of ore copper by XRPD and chemical analysis . By Cocić Mira B., Logar Mihovil M., Roasting process of sulphide copper concentrates in fluo-solid reactor is an oxidation process, and presents the first stage of copper concentrate processing in Copper Mining and Smelting Complex Bor, RTB Bor.

FLOTATION OF COPPER AND NICKEL SULFIDES FROM

What I claim as my invention is 1. A process for the flotation of nickel and copper sulphide minerals from talcose bearing ores comprising producing an alkaline pulp of the ore in a suitable state of subdivision for flotation wherein at least one alkaline reagent present is soda ash or ammonium hydroxide and the pH is within the range of from about 8 to about 10.5, conditioning the resultant