extraction of copper from roasted pyrite ore

extraction of copper from roasted pyrite ore

extraction of copper from roasted pyrite ore
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Extraction of Copper from Copper pyrite | Grade 12 The principal ore of copper is copper pyrite and copper is extracted from this ore The different steps in ex

extraction of copper from roasted pyrite ore

  • Extraction of Copper from Copper pyrite | Grade 12

    The principal ore of copper is copper pyrite and copper is extracted from this ore The different steps in extraction of copper are: Crushing and Concentration: The ore obtained from mines are broken down into small piece by jaw crusher and then pulverized The ore being sulphide oreThe principal ore of copper is copper pyrite and copper is extracted from this ore Extraction of copper from copper pyrites involves the following steps – Crushing and concentration The ore is crushed and then concentrated by froth floatation process The ore obtained from mines are broken down into little piece by jaw crusher and thenHow Extraction of Copper from Copper Pyrites? QS StudyExtraction of copper from copper pyrites (CuFeS2) Copper is extracted from its principal ore copper pyrites (CuFeS 2) The ore is concentrated by froth flotation process The concentrated ore is roastedExtraction of copper from copper pyrites (CuFeS2

  • Copper is extracted from copper pyrites After roasting

    Copper is extracted from copper pyrites After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace The matte obtained from the blast furnaceMelaconite (CuO) etc EXTRACTION OF COPPER FROM SULPHIDE ORE Large amount of copper are obtained from copper pyrite (CuFeS2) by smelting Ores containing 4% or more copper are treated by smelting process Very poor ores are treated by hydrometallurgical processEXTRACTION OF COPPER University of Technology, IraqThe copper pyrite separation Process Flowsheet Crushing circuit of a copper pyrite ore The crushing section shown consists of single stage crushing with a ForcedCopper and Pyrite Separation by Selective and Sequential

  • Extraction Of Copper | Mining, Concentration, Smelting

    Copper Smelting means that the concentrated ore is heated strongly with silicon dioxide (silica), calcium carbonate (CaCO 3) and air in a furnace The major steps in the extraction of copper are Copper in Chalcopyrite is reduced to copper sulphide Just like in Blast Furnaces, calcium carbonateExtraction of copper and iron during the leaching of the pyritebased ore sample with a solution 05 M H 2 O 2 at pH 085 with H 2 SO 4 Samples wereLeaching of a pyritebased ore containing copper usingfixed at 600˚C However, the extraction of copper is almost independent of Na2SO3 added at 500˚C and 550˚C It is apparent that the sulfate promoter Na2SO3 only improved the copper extraction at high temperature That possible reason is that Na2SO3 can change the oxidize and reductive atmosphere and prevent the decomposition of copper sulfate at high temperature The detail roastingRecovery of Copper from Copper Sulfide Concentrate by

  • Synchronous extraction of nickel and copper from a mixed

    The ore samples were mixed evenly with ammonium sulfate according to different mole ratios varying from 14:1 to 24:1, and were roasted at 450 °C for 4 h in order to investigate the effect of the ammoniumtoore mole ratio on the extractions of nickel, copper and ironExtraction of cobalt and copper from pyrite 223 ACKNOWLEDGEMENTS The authors would llke to express their particular thanks to Rees Groves and U Salt Lake City Metallurgy Research Centre for their help in analyses and for providing information, to Etibank for financlal help, and to Etlbank K~reA~ik~y Copper Mine for providing the ore sampleExtraction of cobalt and copper from Küre pyriteThe ore from the fine ore bin, delivered at a uniform rate by a Adjustable Stroke Belt Ore Feeder, is ground to minus 65mesh in a Ball Mill operating in closed circuit with a Spiral Classifier Reagents are added to the ball millclassifier circuit for proper depression of the pyrite during the flotation of the copperCopper and Pyrite Separation by Selective and Sequential

  • The Extraction of Copper Chemistry LibreTexts

    Copper can be extracted from nonsulfide ores by a different process involving three separate stages: Reaction of the ore (over quite a long time and on a huge scale) with a dilute acid such as dilute sulfuric acid to produce a very dilute copper(II) sulfate solution Concentration of the copper(II) sulfate solution by solvent extractionExtracting copper from other ores Copper can be extracted from nonsulphide ores by a different process involving three separate stages: Reaction of the ore (over quite a long time and on a huge scale) with a dilute acid such as dilute sulphuric acid to produce a very dilute coppercopper extraction and purification chemguideCopper pyrites is concentrated by Tardigrade When C O 2 gas is passed through the aqueous solution of ‘X’, a hydrated compound ‘Y’ is precipitated ‘X’ and ‘Y’ respectively are : JEE Main 2018 4 In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with : JEE Main 2018 5copper pyrite is concentrated by

  • The slag obtained during the extraction of copper pyrites

    Copper is mainly extracted from copper pyrites After the concentration of its ore by froth flotation process, the ore is roasted in a current of air to remove arsenic, antimony and much of sulphur The ore is then mixed with a little coke and sand and smelted in a waterjacketed blast furnace The minor reactions that occured during roastingBlister copper is mainly extracted from sulphide ores (copper pyrite) The extraction of Blister Copper proceeds through following four steps Step I Concentration The sulphide ores are concentrated by any of the following methods a Gravity Separation The powdered ore is passed over a wheel so that it falls in two section due to differenceCopper (Extraction) karachiboardnotesblogspotCopper metal is extracted from molten matte through bessemerization The matte is introduced in to Bessemer converter which uphold by tuyers The air is blown through the molten matte Blast of air converts Cu2S partly into Cu2O which reacts with remaining Cu2S to give molten copper 2Cu2S + 3O2 è 2Cu2O + 2SO2METALLURGY OF COPPEREXTRACTION OF COPPERBLISTER COPPER

  • Recovery of Copper from Copper Sulfide Concentrate by

    Y M Zhao et al 12 However, when 1% Na 2SO 3 was added, the copper extraction wasn’t down until 650 ˚C This indicated that Na 2SO 3 can improve the degree of sulfating at high temperature One possible reason is that the addition of Na 2SO 3 could prevent the decomposition of copper sulfate Another possible reason is the exist of some comIMPORTANT ORES OF COPPER 1 Copper pyrite or chalcopyrite CuFeS2 2 Chalcocite or copper glance Cu2S 3 Malachite green [CuCO3Cu(OH)2] 4 Azurite blue [2CuCO3Cu(OH)2] 5 Bornite or Peacock ore [3Cu2SFe2S3] 6 Cuprite Cu2O 3 EXTRACTION OF COPPER • CopperMetallurgy of copper SlideShareEXTRACTION OF COPPER On industrial scale copper is extracted from its sulphide ore known as copper pyrite (CuFeS 2) by smelting method STEPS OF EXTRACTION For The concentrated ore is then roasted in the furnace in the presence of oxygenEXTRACTION OF COPPER City Collegiate

  • Recovery of metal values from copper smelter slags by

    Thus, in the later experiments it was decided to roast the mixtures at 550, which seemed to be an optimum The rate of copper extraction seems to be dependent on the sulphur content of the slag For this reason a series of experiments were carried out with se lected slags ( 1 and 4) varying the amount of pyriteThe ore from the fine ore bin, delivered at a uniform rate by a Adjustable Stroke Belt Ore Feeder, is ground to minus 65mesh in a Ball Mill operating in closed circuit with a Spiral Classifier Reagents are added to the ball millclassifier circuit for proper depression of the pyrite during the flotation of the copperCopper and Pyrite Separation by Selective and SequentialCopper can be extracted from nonsulfide ores by a different process involving three separate stages: Reaction of the ore (over quite a long time and on a huge scale) with a dilute acid such as dilute sulfuric acid to produce a very dilute copper(II) sulfate solution Concentration of the copper(II) sulfate solution by solvent extractionThe Extraction of Copper Chemistry LibreTexts

  • copper extraction and purification chemguide

    Extracting copper from other ores Copper can be extracted from nonsulphide ores by a different process involving three separate stages: Reaction of the ore (over quite a long time and on a huge scale) with a dilute acid such as dilute sulphuric acid to produce a very dilute copperY M Zhao et al 12 However, when 1% Na 2SO 3 was added, the copper extraction wasn’t down until 650 ˚C This indicated that Na 2SO 3 can improve the degree of sulfating at high temperature One possible reason is that the addition of Na 2SO 3 could prevent the decomposition of copper sulfate Another possible reason is the exist of some comRecovery of Copper from Copper Sulfide Concentrate byExtraction of copper from sufidic ores, either by pyrometallurgy or hydrometallurgy, has various limitations In this study, a solvometallurgical process for the extraction of copper from sulfidic ore minerals (chalcopyrite, bornite, chalcocite and digenite) wasSolvometallurgical process for extraction of copper from

  • What is the role of silica in extraction of Cu from copper

    the copper matte Though, the slag can be easily separated from the desired product Smelting is an exothermic reaction between copper pyrite ore, oxygen of air and fluxes (such as silica and limestone) at 1200 °C (above the melting point of copper, but below that of the iron and silica) to form a liquid called "copper matte" The high123 Primary Copper Smelting 1231 General1 Copper ore is produced in 13 states In 1989, Arizona produced 60 percent of the total U S ore Fourteen domestic mines accounted for more than 95 percent of the 145 megagrams (Mg)123 Primary Copper Smeltingextraction of copper from the leach solution This paper describes the influence of acid concentration and influence of solid/liquid ratio on copper leaching rate from the ore bodies CerovoCementacija 2 (C2) 2 Experimental 21 Material The leaching experiments were conducted using two representative ore samples takenLEACHING OF LOWGRADE COPPER ORES: A CASE