Model to relate the flotation rate constant and the bubble surface area flux in mechanical flotation cells

Minerals Engineering

Volumn 12, Issue 6, 1999, Pages 599-608

  Deglon, D A ^a   Sawyerr, F ^a   O'Connor, C T ^a  

^a UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

BUBBLES (IN FLUIDS); COALESCENCE; MATHEMATICAL MODELS; MINERALS; PARTICLES (PARTICULATE MATTER); RATE CONSTANTS;

ATTACHMENT-DETACHMENT MODEL; BUBBLE POPULATION BALANCE MODEL; MECHANICAL FLOTATION CELLS;

FLOTATION;

EID: 0033149147     PISSN: 08926875     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0892-6875(99)00046-1     Document Type: Article

References (14)

1. Chatzi, E.G. and Kiparissides, C., Dynamic simulation of bimodal drop size distributions in low-coalescence batch dispersion systems. Chem. Eng. Sci., 1992, 47, 445-456.
2. Clift, R., Grace, J.R. and Weber, M.E., Bubbles, Drops and Particles. 1978, Academic Press, London.
3. Deglon, D.A. and O'Connor, C.T., A novel attachment-detachment kinetic model for agitated flotation cells. Int. J. Miner. Process., 1998a, (submitted for publication).
4. Deglon, D.A. and O'Connor, C.T., A Hydrodynamic Investigation of Fine Particle Flotation in a Batch Flotation Cell. Ph.D. Thesis, 1998b, University of Cape Town, South Africa.
5. Deglon, D.A., O'Connor, C.T. and Pandit, A.B., Efficacy of a spinning disc as a bubble break-up device. Chem. Eng. Sci., 1998, 53, 59-70.
6. Gorain, B.K., Franzidis, J.P. and Manlapig, E.V., Studies on impeller type, impeller speed and air flow rate in an industrial scale flotation cell. Part 4: Effect of bubble surface area flux on flotation kinetics. Miner. Eng., 1997, 10, 367-379.
7. Inoue, T., Nonaka, M. and Imaizumi, T., Flotation kinetics - Its macro and micro structure. In: P. Somasundran (Editor), Advances in Mineral Processing, 1986, SME, Colorado, pp. 209-228.
8. Lee, C-H., Erickson, L.E. and Glasgow, L.A., Bubble breakup and coalescence in turbulent gas-liquid dispersions. Chem. Eng. Communications, 1987, 59, 65-84.
9. Mavros, P., Mixing and hydrodynamics in flotation cells. In: P. Mavros and K.A. Matis (Editors), Innovations in Flotation Technology, 1992, Kluwer Academic Publishers, Netherlands, pp. 211-234.
10. Parthasarathy, R., Jameson, G.J. and Ahmed, N., Bubble breakup in stirred vessels - Predicting the Sauter mean diameter. Trans. Inst. Chem. Eng., 1991, 69, 295-301.
11. Prince, M.J. and Blanch, H.W., Bubble coalescence and break-up in air-sparged bubble columns. A.I.C.H.E. Journal, 1990, 36, 1485-1499.
12. Sawyerr, F., Deglon, D.A. and O'Connor, C.T., Prediction of bubble size distribution in mechanical flotation cells. S.A.I.M.M. Journal, 1998, 98, 179-185.
13. Tsouris, C. and Tavlarides, L.L., Breakage and coalescence models for drops in turbulent dispersions. A.I.C.H.E. Journal, 1994, 40, 395-406.
14. Yoon, R.H., Microbubble flotation. Miner. Eng., 1993, 6, 619-630.