Extractive Metallurgy of Copper part 15 doc

... Consolidated Copper Mines, Ltd. (200 1) www.zccm.com.zm/html/indexl.html. 4 10 Extractive Metallurgy of Capper B.4 Shaft Furnace When the first edition of Extractive Metallurgy of Copper ... processes) Melting of cathodc copper 370 Asarco furnace 370,371 industrial data 372 58 Costs of Copper Production 397 23.7 Production of Copper from Scrap...

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... 206 Extractive Metallurgy of Copper It produces: (a) molten copper, -0.7% S (b) molten slag, 14% Cu (c) SO2 bearing offgas, 25-30 volume% S02. The molten copper continuously departs ... 410 24 194 Extractive Metallurgy ofcopper FeO + C + Fe + CO (12.8). The Fe joins the newly reduced copper. Glogow results The Cu content of the Glogow direct-to -co...

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... data Costs of Copper Production 387 which: (a) costs $500 per annual tonne of copper (b) produces 200 000 tonnes of copper per year will be: $500 per annual tonne of copper 200 ... the oxygen free (oxygen free copper [OFC] or oxygen free high conductivity copper [OFHC]) grades. The amount of 382 Extractive Metallurgy of Copper Buch, E., Sie...

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... References 15 Fire Refining and Casting of Anodes: Sulfur and Oxygen Removal 15. 1 15. 2 15. 3 15. 4 15. 5 15. 6 15. 7 15. 8 Industrial Methods of Fire Refining Chemistry of Fire Refining ... 2.1 Locations of Copper Deposits 2.2 Location of Extraction Plants 2.3 2.4 Price of Copper 2.5 Summary Copper Minerals and ‘Cut-Off Grades References 3 Concentr...

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... 'blister' copper (1200°C) is sent to refining. 14 Extractive Metallurgy of Copper Contaminated Low-grade copper scrap copper scrap (EE-99%Cu) (lO-8E%Cu) 4 J. J. Black copper (EO+% ... controlling fineness of grind for flotation. 28 Extractive Metallurgy of Copper The average grade of ore being extracted from any given mine is determined by...

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... too much oxygen encourages oxidation of Cu, as shown previously: cu,s + +02 -+ cu20 + so2 (4.4). 42 Extractive Metallurgy of Copper There is, of course, a time delay (5 to 10 ... surface of the pulp. This froth prevents bursting of the bubbles and release of the Cu mineral particles back into the pulp. The froth overflows the flotation cell (often with the...

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... and viscosity of copperhickel sulphide smelting and converting slags. In Copper 95-Cobre 95 Proceedings of the Third International Conference, Vol. lV Pyrometallurgy of Copper, ed. ... (1996) Kinetics of As and Sb removal from molten copper by Na2C03 fluxing. In EPD Congress 1996, ed. Warren, G.W., TMS, Warrendale, PA, 515 526. 86 Extractive Metallurgy of...

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... Extractive Metallurgy ofcopper 7.4.1 Choice of matte grade The Noranda process was initially conceived as a direct-to -copper smelting process. The furnace at Noranda produced molten copper ... to blast, causing a protective layer of slag to freeze on the outside of the lance tip (Solnordal and Gray, 1996). 106 Extractive Metallurgy of Copper The tuyeres are pe...

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... al., 1999). 156 Extractive Metallurgy ofcopper The continuous presence of metallic copper in a furnace requires that special care be taken with: (a) refractories, to avoid copper penetration, ... generation of high temperatures even with high Cu grade - low FeS ‘fuel’ mattes 142 Extractive Metallurgy of Copper Fig. 9.3. Photograph showing buildup of accret...

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... Division of Metallurgy, KTH, Stockholm, Sweden, paper number 059. 114 Extractive Metallurgy of Copper (a) dissolved Cu, present mostly as Cu' ions (b) entrained droplets of matte. ... design to a rotary fire-refining furnace (Chapter 15, Campos and Torres, 1993; Demetrio et al., 2000). 158 Extractive Metallurgy ofcopper Copper siphon Fig. 10.1. Mitsub...

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