Conference Proceedings
Fifth AuslMM Extractive Metallurgy Conference, Perth, October 1991
Conference Proceedings
Fifth AuslMM Extractive Metallurgy Conference, Perth, October 1991
Flotation Cell Design - Experiences with the Jameson Cell
ABSTRACT- I Results are given for a series of tests in which a 300 mm pilot-scale Jameson cell has been used in copper recleaner flotation, and for the flotation of a lead rougher feed. the results indicate that the production rate of solids, at the same superficial air velocity Jg, is higher than in conventional columns. Thus in the copper recleaner application, the pulling rate reached 14 gm/cm2/min compared with between two and three for an operating column, while in the lead cleaner application the comparable figures were 12 - 14 gm/cm2/min for the Jameson cell vs 8 - 9 gm/cm2/min for a test column. A froth crowder was used to increase the air superficial velocity Jg in the Jameson cell in the copper recleaner, while holding the collection mechanism and pulp feed rates constant. The recovery increased from 50 per cent to over 90 per cent, suggesting that recovery is controlled mainly by the froth conditions, rather than the particle-bubble interactions in the Downcomer.
Contributor(s):
G J Jameson, E V Manlapig
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- Published: 1990
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- Unique ID: P199107022