• Environmental Guidelines for Nickel Smelting and Refining

    Nickel Smelting and Refining ... produce high purity nickel pellets. In this process, copper and precious metals remain as a pyrophoric residue requiring separate treatment. ... of sulfide ores (nickel sulfide concentrates contain 620% nickel and up to 30% sulfur).

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  • BENEFICIATION OF COPPER Et NICKEL ORES

    their Maubhandar concentrator and smelter. In addition they have set up two more concentrators at Mosabani and Maubhandar. The copper ore contains appreciable amounts of nickel which is recovered finally as nickel sulphate after electrolytic refining of copper. Batch and pilot plant scale investigations have been conducted on the copper ores ...

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  • Major Mines Projects | Raglan Mine

    The mill has a maximum capacity of approximately million tonnes of ore per year. Smelting The Sudbury Smelter currently smelts Glencore Nickel nickelcopper concentrate from the Sudbury, Raglan and XNA (Australia) operations and processes customfeed materials in the form of concentrates and secondary products.

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  • INDUSTRIAL PROCESS INDUSTRIAL PROCESS

    Finland and first applied at the Harjavalta plant in 1949 for smelting copper ore.[2][3] [2]It has also been adapted for nickel and lead production. A second flash smelting system was developed by the International Nickel Company ('INCO') and has a different concentrate feed design compared to the Outokumpu flash furnace.[4]

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  • Environmental Guidelines for Nickel Smelting and Refining

    Nickel Smelting and Refining ... produce high purity nickel pellets. In this process, copper and precious metals remain as a pyrophoric residue requiring separate treatment. ... of sulfide ores (nickel sulfide concentrates contain 620% nickel and up to 30% sulfur).

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  • CommonSense Improvements to Electric Smelting at Impala ...

    the smelter. In an effort to reduce concentrate volumes, a second stage of flotation is currently being tested on the Merensky plant. UG2 ore is largely processed at the UG2 plant, with the excess being taken up at the MF2 plant, along with some Merensky and all the opencast material. The

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  • Vale's massive Newfoundland nickel refinery takes shape ...

     · The ore will then arrive by ship to the Long Harbour plant at a 20 per cent nickel concentration. (The concentrate will also average % copper and 1% cobalt, according to Stefan). Upon arrival, the concentrated ore undergoes crushing/grinding to reduce the size of the concentrate feed from 100 microns to 20 microns.

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  • Commonsense improvements to electric smelting at Impala ...

    1996—Concentrate pneumatics installed for furnaces 2 4 2000—Upgraded furnace offgas ESPs 2000—Two new 12' x 24' PeirceSmith converters and an acid plant capacity upgrade 2001—New 38 MVA furnace and 1800 ton feed silo 2002—Sulfacid™ plant installation 2003—32 MW spray dryer, 50 t/h highrate thickener and 1 800 ton feed silo

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  • CNMC's 120ktpy DRC blister copper facility to launch in ...

     · Construction of the 440 million smelter officially began on March 28 in the suburb of Lualaba province, according to the statement. The facility is expected to commence in two years and process over 400,000 tonnes per year of dry copper ore concentrates, after construction was originally planned to start in the...

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  • TACKLING IMPURITIES IN COPPER CONCENTRATES

    found in copper and nickel concentrates as well. One considers a "typical" copper concentrate as having about 25+% copper and some minor quantity of impurities, preferably rich in precious metals. In practice, smelters purchase all variety of concentrates and blend them to provide a suitable feed .

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  • CNMC's 120ktpy DRC blister copper facility to launch in ...

     · Construction of the 440 million smelter officially began on March 28 in the suburb of Lualaba province, according to the statement. The facility is expected to commence in two years and process over 400,000 tonnes per year of dry copper ore concentrates, after construction was originally planned to start in the...

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  • Boliden Harjavalta

    The smelter's main products are copper, nickel, gold and silver, as well as byproducts such as sulphuric acid. Boliden Harjavalta is unique – our smelter is the only nickel smelter in Western Europe. At the smelter, nickel matte is produced in one single step thanks to the best and latest technology.

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  • SUDBURY AREA RISK ASSESSMENT CHAPTER HISTORICAL .

    this has resulted in the production of million tonnes of nickel and million tonnes of copper over the years. Total ore reserves are estimated at billion tonnes (Patterson, 2001). Nickel smelting began on December 22, 1888 when Canadian Copper started up a Herrshoff water jacket blast furnace to treat the calcine from the roast yard.

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  • SUDBURY AREA RISK ASSESSMENT CHAPTER HISTORICAL .

    this has resulted in the production of million tonnes of nickel and million tonnes of copper over the years. Total ore reserves are estimated at billion tonnes (Patterson, 2001). Nickel smelting began on December 22, 1888 when Canadian Copper started up a Herrshoff water jacket blast furnace to treat the calcine from the roast yard.

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  • TACKLING IMPURITIES IN COPPER CONCENTRATES

    found in copper and nickel concentrates as well. One considers a "typical" copper concentrate as having about 25+% copper and some minor quantity of impurities, preferably rich in precious metals. In practice, smelters purchase all variety of concentrates and blend them to provide a suitable feed .

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  • TACKLING IMPURITIES IN COPPER CONCENTRATES

    found in copper and nickel concentrates as well. One considers a "typical" copper concentrate as having about 25+% copper and some minor quantity of impurities, preferably rich in precious metals. In practice, smelters purchase all variety of concentrates and blend them to provide a suitable feed .

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