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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 Cu–S–O 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 the top of the diagram 3 ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.


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  • Solvometallurgical process for extraction of copper from

    Extraction 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 was developed by using an organic lixiviant FeCl 3 as oxidizing agent and ethylene glycol EG as organic solvent

  • Investigation of Leaching Kinetics of Copper from

    Hydrometallurgical treatment of complex copper sulfidic ores byproducts and concentrates requires aggressive oxidative leaching methods and application of FeIII ions and oxygen or bacteria assisted environment Leach liquors generated in the process are usually copper and ironrich

  • Copper mines and chemistry News Chemistry World

    Cationic exchange reagents have been used by metallurgists to generate copper from ore for over 15 years The process uses sulfuric acid to make copper sulfate which is purified by a solvent extraction

  • Bioleaching of copper nickel and cobalt from the low

    Recently several investigations on the extraction of copper cobalt and nickel from low grade sulfide ores have been reported Watling 2008 Watling et al 2009 Zhen et al 2009 Yang et al 2011 However a few publications have been presented on the recovery of these valuable metals from tailings

  • Bacterial leaching of ores and other materials

    Around 3 to 10 of the copper content is leached out of a low grade sulfidic copper ore per year So dumps may be operated 10 to 20 years But on the other hand dump leaching is

  • Determination of metals in base metal ores using the

    GCR06 Highgrade chromite ore Cr Fe Phosphoric sulfuric acid OREAS 78 Nickelcobalt sulfide Co Ni Aqua regia OREAS 171 Manganese ore Mn Aqua regia OREAS 189 Nickel laterite ore Fe Mn Ni Phosphoric acid OREAS 701 Highgrade tungstencoppergoldmagnetite ore Cu Fe W Phosphoric acid CCU1d Sulfidic copper concentrate Cu Fe Pb Zn

  • The Effect of Oxidation on the Flotation Behaviour of

    nickelcopper ores processed in the Sudbury area is discusse with emphasis on the effect of oxidation on individual minerals pnmarily pyrrhOlite In general moderate oxidation of a freshly ground ore promotes the flotability of all principal sulphides in the ore leading to a bulk flotation concentrate The ease of individual mineral flotability

  • Gold Ore Processing Volume 15 2nd Edition

    Purchase Gold Ore Processing Volume 15 2nd Edition Print Book EBook ISBN 9780444636584 9780444636706

  • Bioleaching of copper nickel and cobalt from the low

    The recovery of copper nickel and cobalt from the sulfidic tailing in the presence of microorganisms was approximately three times higher than that in the uninoculated control leaching experiment The results also showed that 550 of copper 982 of nickel and 595 of cobalt could be extracted from the tailing by the bioleaching process

  • Alfa Laval Base Minerals and Mining

    Alfa Laval help alumina copper zinc and nickel producers get the most out of raw ores – costeffectively energyefficiently and in an environmentally friendly way From smart reuse of process waters and recirculation of cooling waters to treatment of bleed streams and

  • COPPER Copper production Repository

    Sulfidic copper ores are too dilute for direct smelting Smelting these materials would require too much energy and very large furnace capacities The copper ore coming from the mine 05 – 1 Cu must be concentrated by beneficiation The valuable minerals like chalcopyrite are intergrown with gangue

  • Bacterial leaching of ores and other materials

    Sulfidic copper and uranium ores are the principle ores leached in several countries So 20 to 25 of the copper production in the USA and about 5 of the world copper production is obtained by bacterial leaching This process is a very slow one and needs a long time years for good recovery but its main advantages are low investment

  • Determination of metals in base metal ores using the

    GCR06 Highgrade chromite ore Cr Fe Phosphoric sulfuric acid OREAS 78 Nickelcobalt sulfide Co Ni Aqua regia OREAS 171 Manganese ore Mn Aqua regia OREAS 189 Nickel laterite ore Fe Mn Ni Phosphoric acid OREAS 701 Highgrade tungstencoppergoldmagnetite ore Cu Fe W Phosphoric acid CCU1d Sulfidic copper concentrate Cu Fe Pb Zn

  • PDF The Chemistry of Manganese Ores through Time A

    The 21billionyear old Ga Francevillian Series in Gabon has been intensively studied because of economic interests in their uranium and manganese ore deposits

  • A Review on Novel Techniques for Chalcopyrite Ore Processing

    12 Chalcopyrite Ore Production The sulfide ore minerals including chalcopyrite CuFeS 2 sphalerite ZnS galena PbS provide the major sources of the world’s base metals Cu Zn Pb respectively whereas pyrite is virtually ubiquitous as a metalliferous mineral in sulfide ore deposits Crang and Vanghan 1994The first step in recovering metal from their mineral is that of finding

  • PDF Cyanidation of Refractory Gold Ores A Review

    depleted free cyanide in forming copper cyanide and hydrosulphide Gabon Geoderma Vol 45 pp 241 during cyanidation of gold complex sulfidic ores Journal of Separation S cience

  • Copper Mining Extraction Process Flow Chart

    This flowchart made of machinery icons explains or expresses in simple but clear terms the step of the Copper Mining and Copper Extraction Process Starting from either openpit or underground mining and using a different relevant treatment method for oxide or sulphide copper mineral ore Having a quick look now at how porphyry ores are treated and the metals extracted There are two main

  • Gold Ore Processing Volume 15 2nd Edition

    Gold Ore Processing Project Development and Operations Second Edition brings together all the technical aspects relevant to modern gold ore processing offering a practical perspective that is vital to the successful and responsible development operation and closure of any gold ore processing completely updated edition features coverage of established newly implemented

  • Sulphide Gold Ore Treatment by Leaching and Flotation

    There are many arrangements and combinations using flotation in conjunction with treatment of gold ores The two gold process flowsheets shown with some variations are probably the most commonly used In Gold Flowsheet No 1 the ore is ground in water to such a size as to free the minerals sufficiently to produce a tailing by flotation low enough in value that it may be discarded

  • Tunnel Vision Industry Today

    The ore concentrate containing lead zinc or both is fed to sintering machines Lead concentrations vary from 50 to 70 percent while sulfur content of sulfidic ores can reach up to 20 percent Zinc concentration is usually 40 to 60 percent with sulfur content of 20 to 30 percent

  • Norbert Ernstorfer Inventions Patents and Patent

    The process comprises contacting the sulfidic ores with a combination of thionocarbamates and mercaptobenzothiazoles to improve the flotation of sulfidic ores particularly the flotation of copper ore when the copper ore is associated with molybdenum andor gold The flotation reagent comprises a combination of compounds of formula 1 and

  • Separation of rhenium and molybdenum from molybdenite

    Hydrometallurgical treatment of complex copper sulfidic ores byproducts and concentrates requires aggressive oxidative leaching methods and application of FeIII ions and oxygen or bacteria assisted environment Leach liquors generated in the process are usually copper and ironrich

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