Transport phenomena at the pulp-froth interface in a flotation column: II. Detachment

International Journal of Mineral Processing

Volumn 74, Issue 1-4, 2004, Pages 217-231

  Van Deventer, J S J ^a   Feng, D ^a   Burger, A J ^b  

^a UNIVERSITY OF MELBOURNE   (Australia)

^b STELLENBOSCH UNIVERSITY   (South Africa)

Author keywords

Bubble load; Chromite; Column flotation; Detachment; Interstitial concentration; Pulp froth interface; Transport

Indexed keywords

CHEMICAL PULP; CONCENTRATION (PROCESS); DISTILLATION COLUMNS; HYDROPHOBICITY; INTERFACES (MATERIALS); MASS TRANSFER; PARTICLE SIZE ANALYSIS; SILICA;

BUBBLE LOADS; COLUMN FLOTATION; DETACHMENT; INTERSTITIAL CONCENTRATION; PULP-FROTH INTERFACES;

FROTH FLOTATION;

CHEMICAL PULPS; COLUMNS; CONCENTRATION; FOAM; INTERFACES; PARTICLE SIZE; SILICA; WATER REPELLENCE;

EID: 6344256501     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.minpro.2003.11.002     Document Type: Article

References (40)

1. Dobby G.S., Finch J.A. Mixing characteristics of industrial flotation columns. Chemical Engineering Science. 40(7):1985;1061-1068.
2. Dobby G.S., Finch J.A. Flotation column scale-up and modelling. CIM Bulletin. 79(889):1986;89-96.
3. Dobby G.S., Yianatos J.B., Finch J.A. Estimation of bubble diameter in flotation columns from drift flux analysis. Canadian Metallurgical Quarterly. 27(2):1988;85-90.
4. Engelbrecht J.A., Woodburn E.T. The effects of froth height, aeration rate, and gas precipitation on flotation. Journal of the SAIMM. 76:1975;125-132.
5. Falutsu M. Column flotation froth characteristics - stability of the bubble-particle system. International Journal of Mineral Processing. 40:1994;225-243.
6. Falutsu M., Dobby G.S. Direct measurement of froth drop back and collection zone recovery in a laboratory flotation column. Minerals Engineering. 2(3):1989;377-386.
7. Falutsu M., Dobby G.S. Froth performance in commercial sized flotation columns. Minerals Engineering. 5(10-12):1992;1207-1223.
8. Finch J.A., Dobby G.S. Column Flotation. 1990;Pergamon, Oxford.
9. Flint L.R., Howarth W.J. The collision efficiency of small particles with spherical air bubbles. Chemical Engineering Science. 26(8):1971;1155-1168.
10. Glembotskii V.A., Klassen V.I., Plaksin I.N. Flotation. 1972;Primary Sources, New York.
11. Jameson G.J., Nam S., Moo Young M. Physical factors affecting recovery rates in flotation. Minerals Science and Engineering. 9(3):1977;103-118.
12. Jordan C.E., Spears D.R. Evaluation of a turbulent flow model for fine-bubble and fine-particle flotation. Minerals and Metallurgical Processing. 7(2):1990;65-73.
13. Kirjavainen V.M. Mathematical modelling of the entrainment of hydrophilic particles in froth flotation. International Journal of Mineral Processing. 35:1992;1-11.
14. Laplante A.R., Yianatos J., Finch J.A. On the mixing characteristics of the collection zone in flotation columns. Proceedings of an International Symposium on Column Flotation: Column '88. SME Annual Meeting, Phoenix, Arizona. 1988;69-79 SME-AIME, Littleton, Colorado.
15. Lynch A.J., Johnson N.W., McKee D.J., Thorne G.C. The behaviour of minerals in sulphide flotation processes, with reference to simulation and control. Journal of the SAIMM. 74:1974;349-360.
16. Nguyen Van A. On the sliding time in flotation. International Journal of Mineral Processing. 37:1993;1-25.
17. Nguyen Van A., Kmet S. Collision efficiency for fine mineral particles with single bubble in a countercurrent flow regime. International Journal of Mineral Processing. 35:1992;205-223.
18. Ross, V.E., 1988. Mass Transport in Flotation Froths. PhD thesis, University of Stellenbosch, South Africa.
19. Ross V.E. Flotation and entrainment of particles during batch flotation tests. Minerals Engineering. 3(3/4):1990;245-256.
20. Schulze H.J. New theoretical and experimental investigations on stability of bubble/particle aggregates in flotation: a theory on the upper particle size of floatability. International Journal of Mineral Processing. 4:1977;241-259.
21. Schulze H.J. Probability of particle attachment on gas bubbles by sliding. Advances in Colloid and Interface Science. 40:1992;283-305.
22. Standish N., Yu A.B., Igusti-Ngurah A. Estimation of bubble-size distribution in flotation columns by dynamic bubble-disengagement technique. Transactions of the Institution of Mining and Metallurgy (Sect C: Mineral Process. Extr. Metall.). 100:1991;C31-C41.
23. Subrahmanyam T.V., Forssberg K.S.E. Froth stability, particle entrainment and drainage in flotation - a review. International Journal of Mineral Processing. 23:1988;33-53.
24. Subrahmanyam T.V., Forssberg K.S.E. A study of particle entrainment in flotation with different frothers - the case of copper ore. Forssberg E. XVI International Mineral Processing Congress. 1988;785-796 Elsevier, Amsterdam.
25. Szatkowski M. Factors influencing the behaviour of flotation froth. Transactions of the Institution of Mining and Metallurgy (Sect. C: Mineral Process. Extr. Metall.). 96:1987;C115-C122.
26. Tucker J.P., Franzidis J.-P., O'Connor C.T. The effect of chemical and physical parameters on bubble size distributions in a Cominco air sparging test rig. Proceedings of an International Conference on Column Flotation: Column ′91. Sudbury, Ontario, Canada, 2-6 June, vol. 1. 1991;289-302.
27. Tuteja R.K., Spottiswood D.J., Misra V.N. Column parameters: their effect on entrainment in froth. Minerals Engineering. 8(11):1995;1359-1368.
28. Van Deventer J.S.J., Feng D., Burger A.J. The use of bubble loads to interpret transport phenomena at the pulp-froth interface in a flotation column. Chemical Engineering Science. 56:2001;6313-6319.
29. Van Deventer J.S.J., Feng D., Burger A.J. Transport phenomena at the pulp-froth interface in a flotation column: I. Recovery profiles. International Journal of Mineral Processing. 74:2004;217-231. (this issue).
30. Warren L.J. Determination of the contribution of true flotation and entrainment in batch flotation tests. International Journal of Mineral Processing. 14:1985;34-44.
31. Ye Y., Miller J.D. The significance of bubble/particle contact time during collision in the analysis of flotation phenomena. International Journal of Mineral Processing. 25:1989;199-219.
32. Yianatos J.B., Bergh L.G. RTD studies in an industrial flotation column: use of radioactive tracer technique. Proceedings of an International Conference on Column Flotation: Column ′91. Sudbury, Ontario, Canada, 2-6 June, vol. 1. 1991;221-234 Canadian Institute of Mining, Metallurgy and Petroleum (CIM), Montreal.
33. Yianatos J.B., Finch J.A. Gas holdup versus gas rate in the bubbly regime. International Journal of Mineral Processing. 29:1990;141-146.
34. Yianatos J.B., Finch J.A., Laplante A.R. Holdup profile and bubble size distribution of flotation column froths. Canadian Metallurgical Quarterly. 25(1):1986;23-29.
35. Yianatos J.B., Finch J.A., Laplante A.R. Apparent hindered settling in a gas-liquid-solid countercurrent column. International Journal of Mineral Processing. 18:1986;155-165.
36. Yianatos J.B., Finch J.A., Laplante A.R. Cleaning action in column flotation froths. Transactions of the IMM. 96:1987;C199-C205.
37. Yianatos J.B., Finch J.A., Laplante A.R. Selectivity in column flotation froths. International Journal of Mineral Processing. 23:1988;279-292.
38. Zhou Z.A., Egiebor N.O. A gas-liquid drift-flux model for flotation columns. Minerals Engineering. 6(2):1993;199-205.
39. Zhou Z.A., Egiebor N.O. Prediction of axial gas holdup profiles in flotation columns. Minerals Engineering. 6(3):1993;307-312.
40. Zhou Z.A., Egiebor N.O., Plitt L.R. Frother effects on bubble size estimation in a flotation column. Minerals Engineering. 6(10):1993;55-67.