By William G.I. Davenport, Matthew King, Mark Schlesinger, A.K. Biswas
This re-creation has been broadly revised and up to date because the third version released in 1994. It comprises a good better intensity of commercial info, focussing on how copper steel is extracted from ore and scrap, and the way this extraction might be made extra effective. smooth excessive depth smelting procedures are awarded intimately, particularly flash, Contop, Isasmelt, Noranda, Teniente and direct-to-blister smelting. huge realization is paid to the regulate of SO
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Extra info for Extractive Metallurgy of Copper
Sample text
This chapterdescribesconcentrating Cu ores. It emphasizes sulfideminerals becausetheyaccountfor almostall Cu concentration. It entails: (a) crushingand grindingthe ore to a size whereits Cu mineralgrainsare dividedfrom itsnon-Cu-mineral grains (b) physical separationof Cu minerals from non-Cu mineralsby froth flotationto formCu rich concentrate andCu barren‘tailing’. Fig. 3 give industrialdata. Copperconcentrators typicallytreat 10 000 to 100 000 tonnesof ore per day, dependingon the rate their mines produceore.
Fig. 3 give industrialdata. Copperconcentrators typicallytreat 10 000 to 100 000 tonnesof ore per day, dependingon the rate their mines produceore. 05% Cu) Oversize(+I50 pm) Fig. 1. Generalized flowsheet for producing Cu concentrates (-30% Cu) fromCu-Fe-SandCu-Sores. 2 Crushingand Grinding(Comminution) Isolationof an ore’s Cu mineralsinto a concentraterequiresthat the ore be groundfinely enoughto liberateits Cu mineralgrainsfrom its non-Cu-mineral grains. The extentof grindingrequiredto do this is fixed by the size of the mineralgrainsin theore.
King,M. J. andPartelpoeg, E. H. (2001)FlashSmelting, Analysis,Controland Optimization, TMS, Warrendale, PA. References Boldt, J. R. P. , Toronto,Canada. CHAPTER 2 ProductionAnd Use Metallic copperoccursoccasionally in nature. C (Killick, 2002). Its useincreasedgraduallyoverthe yearsthendramatically in the20thcenturywith massadoptionof electricity(Fig. 1). 15 1800 1850 1900 1950 2000 Year Fig. 1. Worldmineproduction of copperin the 19'hand 20thcenturies (Butts,1954; USGS,2002b). Copperis an excellentconductor of electricityandheat.
