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the process used to concentrate chalcopyrite ore

  • sulfide ores an overview ScienceDirect Topics

    1.1.2. Extraction of Nickel and Cobalt from Sulphide Ores. Sulphide ores were mostly created by (i) the intrusion of molten magma from the mantle into the crust of the earth and (ii) the formation of localized metalrich sulphide ore bodies by sequential solidifiion and/or hydrothermal leaching and precipitation. The source 

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  • US3857767A Recovery of copper from chalcopyrite ore Google

    Copper is recovered from chalcopyrite ore concentrates by means of a process comprising (1) partial roasting of the concentrate under conditions producing a CHALCOPYRITE ORE CONCENTRATES Copper is conventionally recovered from sulfide ores by means of a complex, multistep process involving the use ofa 

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  • Copper Mineral Fact Sheets Australian Mines Atlas

    The main ore mineral of copper in Australia (and worldwide) is chalcopyrite (CuFeS2). Bornite (Cu5FeS4), covellite (CuS) and Depending on the type of copper bearing minerals in the ore and the treatment processes used, the concentrate can contain between 25 and 57% copper. The concentrate is then processed in a 

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  • Reducing fresh water use in the production of metals Teck

    m3/t ore processed. For processing of copper sulphide concentrates through smelting, water is required for cooling and washing of smelter gases as well as in the the process. Bench testwork. Bench testwork was recently conducted on a copper sulphide concentrate containing chalcopyrite and bornite. To determine the 

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  • Leaching process for copper concentrates containing chalcopyrite

    The copper is leached from the concentrate in the leach solution in the presence of an oxygencontaining gas, under conditions whereby the pyrite is substantially unoxidized. The leached copper is recovered from the solution by conventional methods. The used silvertreated pyrite is recycled to the leaching process.

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  • Thermophilic Heap Leaching Of A Chalcopyrite Concentrate

    base metal extraction and pretreatment of refractory gold ores (Brierley and Brierley, 1999). Technologies involve either leaching of mineral concentrate in various bioreactor setups, or heap leaching of crushed and sometimes agglomerated whole ores. Most processes involve the use of mesophiles of the types.

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  • Determination of the Optimum Conditions for Copper Leaching from

    Jul 1, 2014 Determination of the Optimum Conditions for Copper Leaching from Chalcopyrite Concentrate Ore Using Taguchi Method . The present study proposes a process for the recovery copper from highquality chalcopyrite by making use of an environmentally harmful gas (SO2). In addition to using the 

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  • Copper activation option for a pentlanditepyrrhotitechalcopyrite

    The response is understandable from the fact that the predominant copper species in the aqueous system can be ion or hydroxide depending on the concentration, among other factors. As ions the copper thus imparts activation, while as hydroxide it will cause depression. Pyrrhotite and chalcopyrite recovery also increased 

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  • Determination of the Optimum Conditions for Copper Leaching from

    Jul 1, 2014 Determination of the Optimum Conditions for Copper Leaching from Chalcopyrite Concentrate Ore Using Taguchi Method . The present study proposes a process for the recovery copper from highquality chalcopyrite by making use of an environmentally harmful gas (SO2). In addition to using the 

    Online
  • Comparative study on the selective chalcopyrite bioleaching of a

    Abstract. This study evaluates different bioleaching treatments of a molybdenite concentrate using mesophilic and thermophilic bacterial cultures. Further studies on the chemical leaching and the electrochemical behavior of the MoS2 concentrate were carried out. Bioleaching tests showed a progressive removal of 

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  • Copper Mining and Extraction Sulfide Ores

    Place these products in the extraction process in ascending order of copper content. Use the flow chart as a guide. Matte Ore Cathode copper. Blister Anode copper. Copper concentrate. Fire refined copper. Use a periodic table to find the atomic masses of the elements in cuprite and chalcocite. Then work out the 

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  • Copper Mineral Fact Sheets Australian Mines Atlas

    The main ore mineral of copper in Australia (and worldwide) is chalcopyrite (CuFeS2). Bornite (Cu5FeS4), covellite (CuS) and Depending on the type of copper bearing minerals in the ore and the treatment processes used, the concentrate can contain between 25 and 57% copper. The concentrate is then processed in a 

    Online
  • Assessment of the floatability of chalcopyrite, molybdenite and pyrite

    a copper sulphide ore from Chile, were very similar to those of a copper concentrate produced by froth flotation under the same conditions with a xanthate type commercial collector. This new and feasible enduse of biosolids and humic acids should be new environmentfriendly organic froth flotation agents for greening the 

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  • ASARCO » Milling

    SAG mills use larger pieces of ore to break up the smaller pieces (autogenous does it by itself). The larger pieces break down as well. To help the process along, eightinchdiameter steel balls are added to the rocks as they tumble inside the rotating mill (semiautogenous gets some help from the steel balls). The two 

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  • Leaching of chalcopyrite concentrate in hydrogen peroxide solution

    Physicochem. Probl. Miner. Process. 50(2), 2014, 657666. Physicochemical Problems of Mineral Processing ISSN 16431049 (print) Abstract: The leaching conditions of chalcopyrite (CuFeS2) concentrate in a hydrogen peroxide medium . 5), the chalcopyrite concentrate used in the.

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  • Copper Mining and Extraction Sulfide Ores

    Place these products in the extraction process in ascending order of copper content. Use the flow chart as a guide. Matte Ore Cathode copper. Blister Anode copper. Copper concentrate. Fire refined copper. Use a periodic table to find the atomic masses of the elements in cuprite and chalcocite. Then work out the 

    Online
  • Copper extraction Wikipedia

    To improve the process efficiency, lime is used to raise the pH of the water bath, causing the collector to ionize more and to preferentially bond to chalcopyrite (CuFeS2) and avoid the pyrite (FeS2). Iron exists in both primary zone minerals. Copper ores containing chalcopyrite can be concentrated to produce a concentrate 

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  • chalcopyrite an overview ScienceDirect Topics

    The minerals are always recovered together in a metal rich bulk concentrate by using two important steps. The process of crushing/grinding is used and subsequently the process of froth floatation is used to separate the pentalandite and chalcopyrite particles from the pyrrhotite and gangue rock particles in the ore.

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  • A Review on Novel Techniques for Chalcopyrite Ore Processing

    process (Young et al. 2003). Flotation also used to split. copper and nickel sulfides and separate them from iron sul. fides and gangue minerals. Cobalt appears in the nickel. concentration and the cobalt is subsequently recovered. Flotation has developed from the treatment of simple ores. to the ever more complex ones 

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  • US6277341B1 Process for the rapid leaching of chalcopyrite in the

    The most cost effective process to be used on any particular ore or concentrate will be determined empirically with the four basic variables being: (i) the surface potential of the chalcopyrite. (ii) the temperature at which the leach is effected. (ii) the pH at which leaching is effected and. (iv) the fineness to which the ore or 

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  • Chalcopyrite Wikipedia

    Porphyry copper ore deposits are formed by concentration of copper within a granite stock during the ascent and crystallisation of a magma. Chalcopyrite in this environment is produced by concentration within a magmatic system. Chalcopyrite is an accessory mineral in Kambalda type komatiitic nickel ore deposits, formed 

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  • copper extraction and purifiion Chemguide

    Extracting copper from its ores. The method used to extract copper from its ores depends on the nature of the ore. Sulphide ores such as chalcopyrite are converted to copper by a different method from silie, carbonate or sulphate ores. Getting copper from chalcopyrite, CuFeS2. Chalcopyrite (also known as copper 

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  • sulfide ores an overview ScienceDirect Topics

    1.1.2. Extraction of Nickel and Cobalt from Sulphide Ores. Sulphide ores were mostly created by (i) the intrusion of molten magma from the mantle into the crust of the earth and (ii) the formation of localized metalrich sulphide ore bodies by sequential solidifiion and/or hydrothermal leaching and precipitation. The source 

    Online
  • Developing a Bulk Circuit Suitable for ChalcopyritePyrite Ores with

    sulphide gangue and then the resulting sulphide concentrate was separated by depressing the pyrite to produce two products flowsheet used for treating low pyrite ores, Figure 2.3). Figure 1.2: .. Flotation is the principal process for concentration of sulphides for subsequent smelting, roasting or hydrometallurgical 

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  • copper processing Definition, History, & Facts Britannica

    In the hydrometallurgical processes, the ore or concentrate is brought into close contact with a leach solution (frequently sulfuric acid) that dissolves the copper and leaves a residue of gangue (and frequently precious metals). Various systems, some quite complex, are used to bring copper minerals into contact with the 

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  • Leaching process for copper concentrates containing chalcopyrite

    The copper is leached from the concentrate in the leach solution in the presence of an oxygencontaining gas, under conditions whereby the pyrite is substantially unoxidized. The leached copper is recovered from the solution by conventional methods. The used silvertreated pyrite is recycled to the leaching process.

    Online
  • Copper extraction Wikipedia

    To improve the process efficiency, lime is used to raise the pH of the water bath, causing the collector to ionize more and to preferentially bond to chalcopyrite (CuFeS2) and avoid the pyrite (FeS2). Iron exists in both primary zone minerals. Copper ores containing chalcopyrite can be concentrated to produce a concentrate 

    Online
  • Chalcopyrite Dissolution in SulphateBased Leaching DiVA portal

    process option for treatment of lowgrade chalcopyrite ores as well. However, chalcopyrite is prepared and used in the leaching experiments for XPS measurements. Different samples in different stages electrochemical leaching of a pyritic chalcopyrite concentrate", Advanced Materials Research. 825 (2013), p 254257.

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  • A Review on Novel Techniques for Chalcopyrite Ore Processing

    processes, the ore or concentrate (chalcopyrite) is brought into close contact with a leach solution (frequently sulfuric acid) that dissolves the copper and leaves a residue of gangue (and frequently precious metals). Various system, some quite complex are used to 

    Online
  • US3857767A Recovery of copper from chalcopyrite ore Google

    Copper is recovered from chalcopyrite ore concentrates by means of a process comprising (1) partial roasting of the concentrate under conditions producing a CHALCOPYRITE ORE CONCENTRATES Copper is conventionally recovered from sulfide ores by means of a complex, multistep process involving the use ofa 

    Online
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