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Journal of Mining Science

, Volume 53, Issue 4, pp 734–742 | Cite as

Physical Adsorption Validity in Flotation

  • S. A. Kondrat’ev
  • E. A. Burdakova
Mineral Dressing

Abstract

The authors analyze collecting capacity of desorbable species of xanthates. Desorbable species of the reagent are understood as the species capable to transfer from a mineral particle to air bubble, i.e. to gas–liquid interface, at the moment of rupture of an interlayer between these interacting objects. Flotation process performance is evaluated at the presence of a mixed coating resulting from physical and chemical adsorption and in the presence of a chemisorption coating only. The rates of spreading products of interaction between butyl ethyl xanthates and lead nitrate over water surface are found. The spreading rates and collecting capacities of the mentioned reagents are correlated. It is found that an increase in the length of the hydrocarbon fragment increases collecting capacity of a reagent and the rate of spreading of its products on water surface.

Keywords

Flotation xanthates physical and chemical adsorption collecting agent selection criterion surface pressure 

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References

  1. 1.
    Kulkarni, R. D. and Somasundaran, P., Kinetics of Oleate Adsorption at the Liquid/Air Interface and Its Role in Hematite Flotation, AIChE, Symposium series, 1975, vol. 71, pp. 124–133.Google Scholar
  2. 2.
    Kulkarni, R. D. and Somasundaran, P., Flotation Chemistry of Hematite/Oleate System, Colloids and Surfaces, 1980, vol. 1, pp. 387–405.CrossRefGoogle Scholar
  3. 3.
    Quast, K., Flotation of Hematite Using C6–C18 Saturated Fatty Acids, Minerals Engineering, 2006, vol. 19, pp. 582–597.CrossRefGoogle Scholar
  4. 4.
    Bleier, A., Goddard, E. D., and Kulkarni, R. D., Adsorption and Critical Flotation Conditions, J. Colloid and Interface Sci., 1977, vol. 59, pp. 490–504.CrossRefGoogle Scholar
  5. 5.
    Finch, J. A. and Smith, G. W., Dynamic Superficial Tension of Alkaline Dodecylamine Solutions, J. Colloid and Interface Sci., 1973, vol. 45, pp. 81–91.CrossRefGoogle Scholar
  6. 6.
    Zhivankov, G. V. and Ryaboy, V. I. Collective Properties and Surface Activity of Higher Air Floats, Obogashch. Rud, 1985, no. 3, pp. 13–16.Google Scholar
  7. 7.
    Kondrat’ev, S. A., Evaluation of Collecting Power of Dithiophosphates and its Relation to Selectivity of Valuable Component Recovery, Obogashch. Rud, 2010, no. 4, pp. 24–30.Google Scholar
  8. 8.
    Kondrat’ev, S. A.,Activity and Selectivity of Carboxylic Acids as Flotation Agents, J. Min. Sci., 2012, vol. 48, no. 6, pp. 1039–1046.CrossRefGoogle Scholar
  9. 9.
    Kondrat’ev, S. A. and Moshkin, N. P., Estimation of Collecting Force of Flotation Agent, J. Min. Sci., 2015, vol. 51, no. 1, pp. 150–156.CrossRefGoogle Scholar
  10. 10.
    Plaksin, I.N. and Anfimova, E.A., Investigation into Interaction of Xanthates with Sulfide Mineral Surface, Trudy IGD AN SSSR, 1954, vol. 1, pp. 225–235.Google Scholar
  11. 11.
    Greenler, R. G. An Infrared Investigation of Xanthate Adsorption by Lead Sulfide, J. Phys. Chemistry, 1962, vol. 66, pp. 879–883.CrossRefGoogle Scholar
  12. 12.
    Popov, S. R., Vucinic, D. R., Strojek, J. W., and Denca, A., Effect of Dissolved Lead Ions on the Ethylxanthate Adsorption on Sphalerite in Weakly Acidic Media, Int. J. Min. Processing, 1989, vol. 27, pp. 51–62.CrossRefGoogle Scholar
  13. 13.
    Bogdanov, O.S., Podnek, A.K., Khainman, V.Ya., and Yanis, N.A., Issues of Flotation Theory and Technology, Trudy Inst. Mekhanobr (Transactions of Mekhanobr Institute), Leningrad: Mekhanobr, 1959.Google Scholar
  14. 14.
    Kondrat’ev, S. A., Moshkin, N. P., and Konovalov, I. A., Collecting Ability of Easily Desorbed Xanthates, J. Min. Sci., 2015, vol. 51, no. 4, pp. 830–838.CrossRefGoogle Scholar
  15. 15.
    Fuerstenau, M. C., Clifford, K. L., and Kuhn M. C., The Role of Zinc–Xanthate Precipitation in Sphalerite Flotation, Int. J. Min. Processing, 1974, vol. 1, pp. 307–318.CrossRefGoogle Scholar
  16. 16.
    Heyes G. W. and Trahar W. J. The Natural Floatability of Chalcopyrite, Int. J. Min. Processing, 1977, vol. 4, pp. 317–344.CrossRefGoogle Scholar

Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  1. 1.Chinakal Institute of Mining, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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