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hydrometallurgical extraction of platinum from sulfide ore

  • (PDF) KELL HYDROMETALLURGICAL PROCESS FOR...

    Platinum producers are evaluating hydrometallurgical process routes to extract platinum group metals (PGM) and base metals (BM) from flotation concentrate that are alternative to conventional pyrometallurgical matte smelting treatment of flotation concentrates.

  • Extractive Metallurgy of Nickel, Cobalt and Platinum

    Chapter 13. Extraction of Nickel and Cobalt from Sulfide Ores 13.1. Nickel Sulfide Ores. 13.2. Extraction of Nickel and Cobalt from Sulfide Ores. 13.3. Hydrometallurgical Alternatives to Matte Smelting. 13.4. Voisey's Bay Process for Leaching Nickel Concentrates. 13.5. Heap Leaching of Nickel Sulfide Ore. 13.6. Summary. Chapter 14.

  • Sulfidization of sulfide ores for hydrometallurgical ...

    Oct 31, 2002· A process for extracting metals from copper-sulfidic and/or copper/iron-sulfidic ores comprising leaching steps of microbiological or chemical nature for leaching out the metals, characterized in that 1. the ores are converted to covelline, pyrite and accompanying sulfides by the addition of sulfur and additives in a conversion step

  • Extraction of Gold from Platinum Group Metal Ores ...

    After gold recovery, the next metal to be solvent extracted is palladium. This is achieved using ligand-replacement complexation with either an oxime (e.g., LIX 85N) or dioctyl or dihexyl sulfide. This is followed by the extraction of

  • EXTRACTING METALS FROM SULFIDE ORES InvestorsHub

    EXTRACTING METALS FROM SULFIDE ORES ... (weathering of sulfide ore-bodies), ... resulted in a search for hydrometallurgical routes from sulfide minerals to metals.

  • Extraction of Nickel and Cobalt from Sulfide Ores ...

    Extraction of Nickel and Cobalt from Sulfide Ores. ... Alternatives to smelting and converting include various hydrometallurgical processes based on ammoniacal; sulfate; and, chloride routes that treat concentrates, which have been demonstrated in the past, but are not currently practiced due to the difficulty of recovering both the precious ...

  • Hydrometallurgical recovery/recycling of platinum by

    Platinum Lake Technology Inc., Canada (Ryder and Dymock, 1990) developed a hydrometallurgical process for the recovery of precious metals from spent automotive catalysts following acid leaching in chloride medium.

  • Methods Of Copper Extraction Patents Vepub

    Sulfide ores, in which copper is bonded to sulfur, ... there is a need to improve the hydrometallurgical extraction of copper from copper ores and copper concentrates

  • Copper extraction The Full Wiki

    For oxide ores, a hydrometallurgical liberation process is normally undertaken, which uses the soluble nature of the ore minerals to the advantage of the metallurgical treatment plant. For sulfide ores, both secondary (supergene) and primary (unweathered), froth flotation is utilised to physically separate ore from gangue.

  • hydrometallurgical benefication process of manganese ore

    manganese ore extract ... of present-day nickel sulfide ores renders them unsuitable for either direct smelting or direct hydrometallurgical processing ...

  • Hydrometallurgy: Winning Metals With Water

    WINNING METALS WITH WATER ... iainly by pyro techniques, the sulfide ores account for on11 ... Solvent extraction, ion exchange,

  • OutOtec HydrOmetallurgical Nickel PlaNts aNd

    extraction plant where nickel is extracted, cobalt and a number of impurity metals, such as iron, aluminum, zinc, cadmium, copper, calcium, manganese and magnesium, may also be treated. All metals for which an extraction reagent is available can be extracted with the advanced Outotec VSF Solvent Extraction technology.

  • US5223024A Hydrometallurgical copper extraction process ...

    A process for the extraction of copper from a copper ore or concentrate comprises first subjecting the ore or concentrate to agitation leaching at an elevated temperature and pressure in the presence of oxygen and water to obtain a resulting acidic leach liquor which contains dissolved copper.

  • Recovery of Copper from Copper Sulfide

    Recovery of Copper from Copper Sulfide ... vering copper from ore. The extraction of copper from ore has commonly been performed using ... hydrometallurgical, ...

    • Published in: International Journal of Network Management · 2015Authors: Yaming Zhao · Yanan Hou · Yuguo Cui · Hongwei Liang · Luanning LiAffiliation: Jilin UniversityAbout: Copper extraction techniques
    • Effect of Pretreatment on Leaching Primary Copper Sulfide ...

      The aim of this study was to improve the dissolution of copper sulfide ore composed mainly of chalcopyrite (1.21 wt %) and bornite (0.54 wt %) using a pretreatment before leaching. The effect of the pretreatment on copper sulfide dissolution was investigated using different types of leaching.

    • Recovery of Copper from Copper Sulfide

      Recovery of Copper from Copper Sulfide ... vering copper from ore. The extraction of copper from ore has commonly been performed using ... hydrometallurgical, ...

      • Published in: International Journal of Network Management · 2015Authors: Yaming Zhao · Yanan Hou · Yuguo Cui · Hongwei Liang · Luanning LiAffiliation: Jilin UniversityAbout: Copper extraction techniques
      • Process Development Alaska DGGS

        Hydrometallurgy of complex sulfide ores (gold and sllver are associated with pyritlc matrix): a) Classical concept of hydrometallurgical processing of concentrate (example of chloride leaching) b) Leaching-Flotatlon processing of ore (example of sulfate leaching).

      • extraction of copper from sulfide ore

        copper mining and extraction sulfide ores this ks3 ... ore coal platinum metals group pmg ... copper mineral hydrometallurgical methods are ...

      • Copper Ore Types: Sulfides vs. Oxides Investing News

        Copper sulfide ores are typically the most profitable copper ores to mine. ... Copper ore types: ... 5 responses to Copper Ore Types: Sulfides vs. Oxides ...

      • OutOtec HydrOmetallurgical Nickel PlaNts aNd

        extraction plant where nickel is extracted, cobalt and a number of impurity metals, such as iron, aluminum, zinc, cadmium, copper, calcium, manganese and magnesium, may also be treated. All metals for which an extraction reagent is available can be extracted with the advanced Outotec VSF Solvent Extraction technology.

      • Copper Mining and Extraction: Sulfide Ores

        This KS3 education resource looks at copper mining, extraction and pyroprocessing of sulfide ores.

      • DOI: 10.1595/147106704X1667 Treatment of

        ment of complex hydrometallurgical technology to recover pgms and non-ferrous metals from low-sulfide pgm-bearing ores has considerably simplified the treatment, decreased the operating costs and improved the environmental conditions. Our investigations involved flotation concen-trates of low-sulfide platinum-bearing chrome ores from

      • Treatment of Platinum Flotation Products Johnson

        Recent exploration in Russia and elsewhere has resulted in the discovery of some new deposits of platinum-bearing low-sulfide ores. Many existing technologies for treating pgm ore are based on mechanical beneficiation, high-temperature smelting and converting operations, and hydrometallurgical processing.

      • Copper Ore Types: Sulfides versus Oxides Nasdaq.com

        Copper Ore Types: Sulfides versus Oxides. April 23, 2011, 02:32:11 AM EDT By Leia Michele Toovey, ... the rock is processed in different ways in order to extract the valuable copper. There are two main copper ore types of interest, copper oxide ores and copper sulfide ores. ... copper oxide ores and copper sulfide ores. Both ore types can be ...

      • Sulfidization of sulfide ores for hydrometallurgical ...

        Oct 31, 2002· The invention relates to a method for the extraction of metals from copper sulphide and/or copper iron sulphide ores with microbiological- and chemical-type leaching steps for dissolution of the metals, which comprises the following steps: 1) In a conversion step, prior to the leaching steps, the ores are converted to covellite, pyrites

      • Copper Ore Types: Sulfides vs. Oxides Investing News

        Copper ore types: Sulfides Different methods are used to process copper sulfide ores depending on the concentration of copper within the ore higher-concentrated ores can be separated via smelting, while lower-concentrated ores are separated via hydrometallurgical processes .

      • process of extracting gold from the sulphide ore

        Copper Mining and Extraction Sulfide Ores. Copper Mining and Extraction: Sulfide Or , Gold, silver, platinum and , Place these products in the extraction process in ascending order of copper content. Gold Extraction From Antimony Ore caneicoza. Antimony Ore Extraction Process , gold ore contain antimony,Flotation Concentration of the Sulfide

      • THE APPLICATION OF BIOLEACHING TO BASE

        control of sulfide heap bioleach operations have developed to the point where the process can be applied for the treatment of primary copper sulfide ores, where heat retention in the heap is the critical requirement to promote the oxidation of chalcopyrite. Commercial implementation is now underway in the Middle East and Chile.

      • hydrometallurgical extraction of silver from galena

        silver sulfide crusher processing plant hotelrosim.com... sale used. silver ore processing plant,mobile silver . galena ore crusher ... hydrometallurgical extraction of silver ... for Silver Extraction from Silver ...

      • Copper extraction Wikipedia

        For oxide ores, a hydrometallurgical liberation process is normally undertaken, which uses the soluble nature of the ore minerals to the advantage of the metallurgical treatment plant. For sulfide ores, both secondary and primary , froth flotation is used to physically separate ore from gangue.

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