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Silica Is Added To Roasted Copper Ore During Smelting Process To Remove

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  • Silica Is Added To Roasted Copper Ore During Smelting In

    Silica Is Added To Roasted Copper Ore During Smelting In

    Aug 01 2019 silica is acidic flux so it is used to remove basic oxide ie feo this discussion on silica is added to roasted copper ore during smelting in order to remove acuprous sulphide bferrous oxide cferrous sulphide dcuprous oxidecorrect answer is option b

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  • During Smelting Silica Is Added To Roasted Copper Ore To

    During Smelting Silica Is Added To Roasted Copper Ore To

    Roasting of the pyrite ore which is a mixture of feo and cu2o are obtained main role of the silica are metallurgy of copper and helps to easily remove iron oxide obtained the process of roasting as slag when sulphide ore of copper contains iron is added then silica sio2 is

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  • Silica Is Added To Roasted Copper Ore During Smelting

    Silica Is Added To Roasted Copper Ore During Smelting

    Silica is added to roasted copper ore during smelting process to remove a ferrous sulphide b ferrous oxide c cuprous sulphide d cuprous oxide

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  • Silica Is Added To Roasted Copper Ore During Extraction In

    Silica Is Added To Roasted Copper Ore During Extraction In

    Silica is added during smelting in order to remove iron oxides from copper sulphide and oxides during roasting the iron sulfides react with oxygen in air or oxygen enriched air to produce iron oxides mainly as f eo but with some magnetite f e3 and sulfur dioxide copper sulfide and iron oxide can mix but when sufficient silica is added a separate slag layer is formed

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  • Copper Is Purified By Electrolytic Refining Of Blister

    Copper Is Purified By Electrolytic Refining Of Blister

    The correct statements about this process is are this question has multiple correct options a silica is added to roasted copper ore during extraction in order to remove medium view solution copper is extracted from the ore copper pyrite by smelting in a blast furnace the flux used and the slag formed are medium view solution

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  • Sio2 In The Extraction Of Copper

    Sio2 In The Extraction Of Copper

    Feb 07 2019 the role of silica in the metallurgy of copper is to remove the iron oxide obtained during the process of roasting as slag if the sulphide ore of copper contains iron then silica sio 2is added as flux before roasting then feo combines with silica to form iron silicate fesio 3slag

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  • Copper Smelting Chemistry Tutorial  Ausetute

    Copper Smelting Chemistry Tutorial Ausetute

    Calcine is heated to over 1200oc with fluxes such as silica sio2 and limestone caco3 calcine melts and its compounds react with the fluxes any copperi oxide present will be converted into copperi sulfide during the smelting process because copper has a

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  • Copper Is Purified By Electrolytic Refining Ofblister

    Copper Is Purified By Electrolytic Refining Ofblister

    The correct statements about this process is are this question has multiple correct options a silica is added to roasted copper ore during extraction in order to remove medium view solution copper is extracted from the ore copper pyrite by smelting in a blast furnace the flux used and the slag formed are medium view solution

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  • Tenorm Copper Mining And Production Wastes Radiation

    Tenorm Copper Mining And Production Wastes Radiation

    Jul 08 2019 smelting then copper concentrates are mixed with silica sand and limestone and heated in a furnace to form two naturallyseparating layers one layer is a waste containing iron and silica compounds and is discarded as slag slagbyproduct left after a desired metal is thermally separated from its raw ore approximately 75 percent of the copper concentrate ends up as slag

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  • Sio2 In The Extraction Ofcopper

    Sio2 In The Extraction Ofcopper

    Feb 07 2019 the role of silica in the metallurgy of copper is to remove the iron oxide obtained during the process of roasting as slag if the sulphide ore of copper contains iron then silica sio 2is added as flux before roasting then feo combines with silica to form iron silicate fesio 3slag

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  • Metallurgy Mcqs Practice Sheet 1 Makox Mcqs

    Metallurgy Mcqs Practice Sheet 1 Makox Mcqs

    Jan 13 2015 11 silica is added to roasted copper ore during extraction in order to remove a cuprous sulphide b ferrous oxide c ferrous sulphide d cuprous oxide 12 in the electrolytic refining of copper ag and au are found

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  • Copper Smeltingchemistry Tutorial  Ausetute

    Copper Smeltingchemistry Tutorial Ausetute

    Calcine is heated to over 1200oc with fluxes such as silica sio2 and limestone caco3 calcine melts and its compounds react with the fluxes any copperi oxide present will be converted into copperi sulfide during the smelting process because copper has a

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  • Metallurgy Of Copperextraction Ofcopperblistercopper

    Metallurgy Of Copperextraction Ofcopperblistercopper

    The roasted ore is mixed with coke and silica sand sio2 and is introduced in to a blast furnace the hot air is blasted and feo is converted in to ferrous silicate fesio3

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  • Function Of The Fluxadded During Smeltingis

    Function Of The Fluxadded During Smeltingis

    Function of the flux added during smelting is 10 k 000 text solution to make the ore porous to facilitate reduction to remove gangue to facilitate oxidation answer 3 related video view all

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  • Smelting An Overview  Sciencedirect Topics

    Smelting An Overview Sciencedirect Topics

    A small amount of fine dust passes though gas chimneys the dust can be arrested by installing electrostatic precipitators waste heat boilers and cyclones the other smelting waste is in gaseous form sulfur dioxide so 2 is a major air pollutant emitted during roasting smelting and the conversion of zinc lead copper and nickel sulfide ore sulfur dioxide emission is controlled by conversion to

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  • Copper Smelting Process Furnaces Used Byproducts And

    Copper Smelting Process Furnaces Used Byproducts And

    Modern copper smelters use processed copper ore fed into a flash furnace typically fired by oxygen which produces blister copper being further processed in a converter furnace molten copper is poured from here into rectangular moulds the resulting ingots subjected to electrolysis producing a metal of 999 purity copper can be recycled indefinitely without the base metal being compromised

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  • Copper Processing  Roasting Smelting And Converting

    Copper Processing Roasting Smelting And Converting

    Copper processing copper processing roasting smelting and converting once a concentrate has been produced containing copper and other metals of value such as gold and silver the next step is to remove impurity elements in older processes the concentrate containing between 5 and 10 percent water is first roasted in a cylindrical refractorylined furnace of either the hearth or

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  • Smelting The Ore  Anaconda Mt Montana Historical

    Smelting The Ore Anaconda Mt Montana Historical

    Oct 13 2014 copper concentrates were "roasted" in furnaces to remove part of the sulphur roasted concentrates were then smelted in a blast or reverberatory furnace to further remove impurities this process formed molten copper matte and slag a waste material made up of iron oxide and silica sand slag was poured off and run through water to cool and granulate it molten matte was smelted in

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  • Howto Choose Gold Smelting Flux Superb Electromachinery

    Howto Choose Gold Smelting Flux Superb Electromachinery

    By forming silicates with metal oxides silica ensures the stability homogeneity and low viscosity of the slag also some ores already contain silica due to the use of diatomaceous earth during the extraction process extra silica as flux must therefore be added with caution

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  • How To Choose Gold Smelting Flux Linkedin

    How To Choose Gold Smelting Flux Linkedin

    May 30 2018 gold smelting flux is often added to the ore during the smelting process in this post we will be discussing the importance of gold smelting flux and its uses in smelting

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  • Tenorm Copper Mining And Production Wastes Radiation

    Tenorm Copper Mining And Production Wastes Radiation

    Sep 14 2016 smelting copper smelting involves three steps roasting ore concentrates are roasted or heated to remove sulphur and moisture smelting copper concentrates are mixed with silica sand and limestone then heated in a furnace to form two immiscible naturally separating layers

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  • Metallurgy Mcqs Practice Sheet 1 Makox Mcqs

    Metallurgy Mcqs Practice Sheet 1 Makox Mcqs

    Jan 13 2015 10 high purity copper metal is obtained by a carbon reduction b hydrogen reduction c electrolytic reduction d thermite reduction 11 silica is added to roasted copper ore during extraction in order to remove a cuprous sulphide b ferrous

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  • Extraction Ofcopperfromcopperpyrites Cufes2

    Extraction Ofcopperfromcopperpyrites Cufes2

    Smelting in extraction of copper the roasted ore mixed with silica as flux is heated in a blast furnace by a blast of hot air most of the feo is removed as a slag and a molten mixture of cu 2 s and fes called matte get collected in the hearth of the furnace feo sio 2 fesio 3 gangue flux slag bessemerisation in extraction of copper

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  • Copper Lead And Zinc Smelting And Refining

    Copper Lead And Zinc Smelting And Refining

    Lime and silica are added to the copper matte to react with the iron oxide produced in the process to form slag scrap copper may also be added to the converter the furnace is rotated so that the tuyres are submerged and air is blown into the molten matte causing the remainder of the iron sulphide to react with oxygen to form iron oxide and sulphur dioxide

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  • Copperextraction And Purification  Chemguide

    Copperextraction And Purification Chemguide

    The process the concentrated ore is heated strongly with silicon dioxide silica calcium carbonate and air or oxygen in a furnace or series of furnaces the copper ii ions in the chalcopyrite are reduced to copper i sulphide which is reduced further to copper metal in the final stage

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  • Us3669646a  Process For Autogenous Smeltingofcopper Ore

    Us3669646a Process For Autogenous Smeltingofcopper Ore

    Finely divided siliceous flux may also be compacted and intemately mixed with the ore concentrate and fuel fuel and flux are added to a given or concentrate in accordance with the composition of

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