matte grade nickel and copper recovery calculations

  • Isasmelt technology—current status and future development

    boiler for waste heat recovery. A detailed . technology for continuous copper and nickel converting and applications in the . settling in the holding furnace at these matte grades. .. addition removed less heat than calculated resulting in the.

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  • study of oxygen flash smelting of nickel/copper concentrates

    At its Copper Cliff Smelter, Vale Inco Limited processes a bulk copper-nickel concentrate . requirements, limiting the flash furnace matte grade to the target 45% CuNiCo. . calculated from the composition of a flash flame particles sample, was plotted in higher value metals recovery, without any detriment to flash furnace.

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  • nickel Ore - SlideShare

    Jan 28, 2016 . Nickel Ore Processing Prepared By- Mukesh Ranjan Behera 1. . Hydrous silicate Ferro-nickel matte Energy PROCESSING OPTIONS .. Sulphides ores, found in conjunction with copper-bearing ores, are mined from underground. .. Figure 2 Cumulative grade and recovery curves calculated for pyrrhotite.

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  • ISASMELTв„ў TSL ∓ Applications for nickel

    Oct 25, 2010 . (2005). It produced 45 wt% nickel/copper matte from a concen- trate containing . a waste heat boiler for heat recovery and de-dusted using an elec- tro-static . Fe, followed by batch finishing for final matte grade adjustment. It is in the The FactSage™ liquidus calculations and slag compositions from the.

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  • nickel processing Britannica

    Later, miners in Saxony encountered what appeared to be a copper ore but found . the world, presenting a wide range of mining, transport, and recovery problems. .. In another, the matte may be roasted to produce high-grade nickel oxides.

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  • Unlocking Disseminated Nickel Sulphides Using the CESL . - Teck

    May 26, 2010 . Case 1: Bulk Disseminated Nickel-Copper Concentrate . .. produces a high grade nickel matte which is then refined hydrometallurgically. . results in a low nickel recovery and produces a concentrate To calculate the net revenue from concentrate sales, first the gross metal value is multiplied by the.

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  • PREDICTING PROCESS OUTCOMES FOR SUDBURY PLATINUM .

    The Ni alloy product from Matte Separation is refined into Ni metal by the Mond of the palladium are hosted in the PGM of the Kelly Lake deposit in the Copper Cliff offset. . The MLA image-analysis assay is calculated using the modal mineralogy in conjunction . Grade-Recovery Model for the Platinum-Group Minerals.

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  • . Effect of leaching time on recovery of nickel and copper. - Figure 8 .

    Effect of leaching time on recovery of nickel and copper. ' from publication 'Parametric Effects on Leaching Behavior of Nickel-Copper Matte in Ammonia' . The lixiviant used in this study was analytical grade ammonia (98–99.5%). .. 1 À 3 ð 1 À x Þ 3 þ 2 ð 1 À x Þ 1⁄4 kt ð 6 Þ while Equation (7) can be used to describe a.

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  • Nickel-Cobalt-Copper Conference - ALTA Metallurgical Services

    RECOVERY OF COPPER AND ZINC FROM SLAG OF SCRAP COPPER SMELTING. 357 .. for a low grade complex concentrate containing cobalt, copper and nickel with low sulfur. Under the . These numbers were used to calculate the variable portion of the operating cost for .. by ferro-nickel or matte smelting.

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  • The recovery of platinum group metals from low- grade . - SAIMM

    regard to metal fall, PGM grade in the alloy, slag composition, and overall PGM recovery, . at the end of the melt was calculated by using FactSage, and the results . During pyrometallurgical processing, the nickel-copper concentrates from . In general, the idea is to melt the concentrate in a furnace to produce a matte that.

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  • A semi-empirical kinetic model for the atmospheric leaching of a Ni .

    Nickel-copper matte leaching processes may entail an . leaching of a Ni-Cu matte in copper sulphate-sulphuric acid solution. . reaction volume term in Equation [2] was taken as a PLASKET, R.P. and ROMANCHUK, S. Recovery of nickel and copper from high- grade matte at Impala Platinum by the Sherritt process.

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  • Mineral Concentrate Marketing - Treatment Charges & Penalties .

    Mar 12, 2016 . Flotation, though primarily used in the recovery of copper, lead, zinc, gold, . of the less common metals such as molybdenum, nickel, antimony and mercury. not actually finally recovered as metal are calculated according to their . that copper as recovered in the latter is in the form of low-grade matte.

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  • Process for autogenous oxygen smelting of sulfide materials .

    Oct 13, 1981 . variety of valuable metals including copper, nickel, cobalt . readily to treatment for recovery of liquid sulfur diox . trolling the matte grade in oxygen ?ash smelting. . For a given concentrate, heat balance calculations will.

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  • Preparing Nickel and Cobalt Concentrates

    sulfide matte. . if high grade concentrates could be pro- . cobalt, nickel, and copper at a relatively .. RECOVERY . H2S partial pressure can be calculated.

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  • Kinetics of Copper Reduction from Molten Slags - Aaltodoc

    2.3 Thermodynamic Analysis of Oxidic Copper Loss and Recovery in the Slag . .. It has been shown that when the copper grade of matte exceeds 70% Cu , . environmentally sound method of copper, nickel and lead production with low .. equation for Fe-slag systems varies according to the composition of melts,.

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  • The recovery of platinum group metals from low- grade . - SAIMM

    regard to metal fall, PGM grade in the alloy, slag composition, and overall PGM recovery, . at the end of the melt was calculated by using FactSage, and the results . During pyrometallurgical processing, the nickel-copper concentrates from . In general, the idea is to melt the concentrate in a furnace to produce a matte that.

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  • Copper extraction - Wikipedia

    Copper extraction refers to the methods used to obtaining copper from its ores. The conversion . The average grade of copper ores in the 21st century is below 0.6% copper, with a . solvent extraction and electrowinning technologies are used to recover the copper from the 98% pure), containing antimony and nickel.

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  • COPPER Copper production

    About 80 % of primary copper production comes from low-grade or poor sulfide ores. . To obtain concentrates with highest possible purity and recovery rate, the .. furnace for smelting concentrate and producing copper matte. .. pickling by dilute sulfuric or nitric acid, metal coating or electroplating (with nickel, nickel and.

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  • Copper - Department of Energy

    electroplated protective coating in undercoats of nickel, chromium, and zinc. . The two major processes employed in the United States to recover copper . efficiency, many companies are now using flash smelting to produce matte feed. . rock from mining or in situ ore bodies (e.g., low grade oxide and sulfide mine wastes).

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  • Nickel Smelting and Refining

    tion with copper-bearing ores, are mined from underground. . to the furnace to produce a matte for processing. Most laterite . Slags are processed in an electric furnace prior to discard to recover nickel. Process gases . tion produce high-grade nickel oxides (more than .. is operating, to be calculated as a proportion of.

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  • Nickel - British Geological Survey

    Formula. Most common mode of occurrence Example deposits. Pentlandite. Sulphide. (Fe,Ni)9S8 .. Mineralisation occurs as nickel, cobalt and copper sulphides, possibly with .. is a wide range of economic grades in laterite deposits, .. recovery of metal is lower. . and refined directly from the ore, matte or concentrate.

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  • At Inco's Thompson Mill the predominant nickel and copper minerals .

    component {copper} minus recovery of undesired component {nickel}.) There were three prime . Production of a high grade copper concentrate could permit alternative, lower cost, . copper containing residues from the Refinery, to produce Bessemer matte ingots for shipment to calculated (linear regression). The other.

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