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Milling mineral processing

A novel comminution device, the roll press, has achieved commercial success [Schoenert, International J. Mineral Processing, 22, 401-412 (1988)]. It is used for fine crushing, replacing the function of a coarse-baU mill or of tertiary crushers. Unlike ordinary roll crushers which crush individual particles, the roll press is choke fed and acts on a thick stream or ribbon of feed. Particles are crushed mostly against other particles, so wear is veiy low. Energy efficiency is also greater than in ball mills. [Pg.1846]

The holdup of material in a continuous mill determines the mean residence time, and thus the extent of grinding. Gupta et al. [International J. Mineral Processing, 8, 345-358 (Oct. 1981)] analyzed published e)merimental data on a 40 X 40-cm grate discharge laboratoiy mill, ana determined that holdup was represented by = (4.020 — 0.176 WT)F , (0.040 0.01237 WT)S, - (4.970 0.395 Wl), where... [Pg.1851]

TABLE 20-17 Materials Processed in Stirred-Media Mills (Stehr/ /nternotiono/ J, Mineral Processing, 22 1-4, 431-4, 1988). [Pg.1855]

Ekmekci, Z., Bradshaw, D.J., Harris, P.J., and Buswel, A.M., Interactive Effect of Milling Media and CuS04 Additions on the Flotation Performance of Sulphide Minerals from the Morensky ore, Part II Froth Stability, International Journal of Mineral Processing, Vol. T8, pp. 164-174, 2006. [Pg.46]

Kitschen, L. P., Lloyd, P. J. D. and Hartmann, R. Proc. 14th ltd. Mineral Process. Congr. (Toronto, 1982) 1-9. 1. The centrifugal mill experience with a new grinding system and its application. [Pg.144]

Guar gum guar gum bridging mineral processing 2-12 0.02-0.3 Ib/ton 350 General Mills... [Pg.309]

Stehr, N. (1988) Recent developments in stirred ball milling, J. Mineral Process., 22 431-444. [Pg.497]

D. Espig, V. Reinsch, Computer aided grinding circuit optimization utilizing a new mill efficiency curve, Int. J. Miner. Process. 44 15 (1996) 249-259. [Pg.278]

S. Bade, U. Hoffmann, K. Schonert, Mechano-chemical reaction of metallurgical grade silicon with gaseous hydrogen chloride in a vibration mill, Int. J. Miner. Process, 1996, 44-AS, 167. [Pg.435]

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See also in sourсe #XX -- [ Pg.140 , Pg.144 ]



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