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Copper Sulfide Bearing Gold Concentration

Copper Sulfide Bearing Gold Concentration

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  • Gold processing Mining and concentrating Britannica

    Gold processing Gold processing Mining and concentrating The nature of the ore deposit determines the mining and mineral processing techniques applied Oxide ore deposits are frequently of such low grade eg 3 to 10 parts per million that extensive mineral processing cannot economically be justified In this case they are merely shattered by explosives and then piled into heaps for

  • High gold concentrations in sulphidebearing magma under

    Dec 19 2010 The concentration of Au in Sbearing melts of this study is and the origin of porphyry coppergold deposits in island arcs melts saturated with immiscible sulfide or sulfate liquids at

  • Method of gold extraction from sulphide goldbearing ores

    The mass concentration of the leaching reagent 001 to 35 the United Kingdom Patent No 2180829 CL SW 1104 1987 The disadvantage of this method is that during the processing of hard goldbearing raw materials extraction of gold is not high enough

  • Innovations Introduction to Copper Mining amp Extraction

    The barren rock or gangue has to be separated from the sulfide minerals in order to smelt the metallic copper from the ore By far the greatest proportion of copper is extracted from the sulfides of copper iron and sometimes other metals Such ores originate from sulfurbearing volcanic magmas which have separated into metal sulfides and siliceous melts

  • Optimization of Alkaline Sulfide Leaching of Gold

    Copper is occurrence in copper sulfide while stannum is in stannic oxide Selective leaching by using hydrochloric acid has been conducted based on initial analysis 9786 of antimony 9624 of stannum and 9368 of lead were leached 825 of copper remained in the residue Copper can be separated with antimony Stannum and lead effectively

  • Copper sulfide nanoparticles as a photothermal switch for

    Jan 15 2018 CopperII chloride CuCl 2 2H 2 O sodium sulfide Na 2 S 9H 2 O Trisodium citrate C 6 H 5 Na 3 O 7 2H 2 O NaCl Sodium dodecyl sulfate

  • Sulfide Ores an overview ScienceDirect Topics

    If sulfide ores containing iron and copper are to be smelted an understanding of both the iron and the copper systems is needed Again as in Figure 213 for the CuSO system the calculations are limited to oxidation by industrial oxygen so that the pressure of SO 2 will be about 1 atm except where oxygen pressure is appreciable near

  • Rcovery of gold in pyritic ores Mine

    Using cyanide to recover gold from sulfide ores generally results in 30 to 35 recovery and the best I have heard of is around 50 recovery The fine coating of a iron compound definitely appears to be a key component of the inability of cyanide to efficiently leach low grade pyritic ores Perhaps there is some room here for a pretreatment to

  • The leaching and adsorption behaviour of gold ores

    from the dissociation of the complex is used to leach gold from the ore The stepwise dissociation of cyanide from coppercyanide complexes can also be used to leach gold from a variety of oxide and sulphide ores The copper cyanides fourth ligand readily dissociates at low cyanide concentrations for use in gold leaching

  • Copper Concentrates Cargo Handbook the worlds largest

    For special native copper bearing ore bodies or sections of ore bodies rich in supergen native copper this mineral can be recovered by a simple gravity circuit Application Copper concentrate is the first commercial product of the copper production line and is composed of approximately equal parts of copper iron and sulfide

  • The method of underground leaching copper sulfide ores

    To ensure the required completeness and rate of leaching of copper and zinc from sulfide mineral raw materials we recommended to maintain the concentration of Fe 3 in the range of 0530 gl preferably 515 gL it is possible to provide an almost complete recovery of copper from bornite and chalcocite in a relatively short time process When

  • US20100242681A1 Method for concentration of gold in

    Disclosed herein is a method for concentrating gold contained in a leach residue obtained in a copper hydrometallurgical process for recovering copper from a copper sulfide mineral to efficiently separate and recover gold from the leach residue According to the method a goldbearing copper sulfide mineral is subjected to pressure leaching with sulfuric acid at a temperature higher than 102

  • US8052774B2 Method for concentration of gold in copper

    Disclosed herein is a method for concentrating gold contained in a leach residue obtained in a copper hydrometallurgical process for recovering copper from a copper sulfide mineral to efficiently separate and recover gold from the leach residue a goldbearing copper sulfide mineral is subjected to pressure leaching with sulfuric acid at a temperature higher than 102 C and 112 C or lower

  • CopperGold 177 Molybdenum Deposits of the Ertsberg

    As a result superjacent lithospheric mantle and lowermost crust were metasomatized as well as gaining cupriferous sulfidebearing cumulates during magmatic differentiationprocesses that rendered them fertile for tapping during subsequent subductionor uncommonly intraplate extensionrelated magmatic events to generate porphyry copper and

  • Reading Ore Genesis Geology Lumen Learning

    Intrusive related gold usually also contains copper and is often associated with tin and tungsten and rarely molybdenum antimony and uranium Intrusiverelated gold deposits rely on gold existing in the fluids associated with the magma White 2001 and the inevitable discharge of thesehydrothermal fluids into the wallrocks Lowenstern 2001

  • Establishing thE ProcEss MinEralogy of gold orEs

    Silverrich ores and copper sulfide ores Silverrich ores and copper sulfide ores are often freemilling but when the silver grade is high 10 gt andor the gold is present observed in some gold deposits Generally the order of concentration of gold in pyrite and arsenopyrite is finegrained porous coarsegrained Figures 8 amp 9 In some

  • Copper Mining and Extraction Sulfide Ores

    The smelter for sulfide ores produces sulfur dioxide gas This is scrubbed from the flue gases to make sulfuric acid for leaching copper from oxide ores Scrubbing sulfur dioxide also protects the environment This is very similar to the removal of impurities in the blast furnace

  • Procedure Residual Copper Soluble Analysis Assay Method

    Apr 02 2018 41 If Total Copper has been determined and Residual Copper analysis is not required proceed to Step 50 to calculate the residual copper concentration otherwise proceed to step 42 42 Wash the filter residue from the cyanide soluble procedure into a

  • Determining ionic gold species in massive sulfide ores

    May 27 2010 Yu V Laptev and K B Rozov Interaction of Gold with Sulfide Surface As a Factor of Its Concentration in Hydrothermal Ore Formation Dokl Akad Nauk 4105 663667 2006 Dokl Earth Sci 411 12291232 2006 Google Scholar

  • Nitric Acid Leaching for PreTreatment of a Copper Bearing

    The extraction of goldsilver from a copperbearing pyritic gold concentrate 62 gt Au 110 gt Ag and 03 Cu in thiosulphate solutions was investigated in this study

  • Eliminating Copper from Gold Ore

    Mar 19 2017 Copper minerals even though minor components of precious metal ores dissolve in these cyanide leaching solutions consume cyanide cause fouling of mill solutions and thus interfere with the precipitation and recovery of gold234 Here is a summary of laboratory investigations on the use of cyanide solutions as extractants for copper from

  • Gold in Minerals and the Composition of Native Gold

    Major goldbearing minerals 2 Analyses of precious metals in minerals made before 1955 by the sulfide minerals Several gold tellurides are known but no gold selenides have been reported and only one sulfide the telluridesulfide mineral nagyagite would be the concentration of gold

  • Fluidized roastingstage leaching of a silver and gold

    Aug 01 2014 1 Introduction In Sichuan province of China there is a silver and gold bearing polymetallic mine with extremely fine ore minerals Furthermore these minerals coexist with each other so a complex polymetallic sulfide concentrate instead of qualified separate concentrates is being produced by flotation

  • PDF Cyanidation of gold ores containing copper silver

    Cyanidation of gold ores containing copper silver lead arsenic and antimony However the detrimental effect of dissolved sulfide on gold cyanidation according to reactions R 1 and R 2 which diminishes at higher cyanide concentrations and favor the reverse reactions and the preferential formation of Au CN 2 on the surface instead

  • 12 Supergene Ore and Gangue Characteristics

    from pyritic massive sulfides Likewise the concentration of native gold in gossan overlying the Flambeau Wisconsin copper native gold Massive sulfide gossan goethite amorphous silica jarosite plumbojarosite tation of a variety of Pb and Asbearing metal sulfate and carbonate minerals fig 121 table 121 Gold

  • Gold Agitation Cyanidation Leaching

    For general nonsulfide goldbearing ores it is usually grind to 6070200 mesh Cyanide is added to the grinding operation and side immersion is performed to improve the leaching efficiency For sulfide goldbearing ores flotation enrichment is often used

  • Preliminary Model of Porphyry Copper Deposits

    of copper zinc lead and silverbearing sulfide minerals Example Deposits There are many important deposits worldwide compare Singer and others 2008 Examples of wellstudied giant porphyry copper deposits include El Teniente and El Salvador in Chile Bajo de la Alumbrera in Argentina Grasberg in Indonesia

  • QuartzTourmaline Veins in the Northern Sierra Nevada Area

    QuartzTourmaline Veins in the Northern Sierra Nevada Area Summer 1991 Tourmalinebearing quartz veins and replacement deposits commonly copper and goldbearing are found in unusual concentration in northwestern Nevada and adjacent northeastern California in Triassic and Jurassic arc rocks and in the Cretaceous plutons that intrude them

  • Effect of Pretreatment on Leaching Primary Copper

    Bas et al 19 investigated the effect of an ammonia pretreatment before leaching copper suldebearing gold ore to increase gold extraction at low cyanide concentrations Gold extraction increased from 67 leaching without pretreatment to 998 with pretreatment