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    Study on the flotation behaviour of low energy materials at low surface tensions

    Year: 2003

    Journal: Minerals Engineering 16 (2003) 1193-1196, 20111221

    Authors: V. Kirjavainen, H. Lehto, K. Heiskanen

    Organizations: Laboratory of Mechanical Process and Recycling Technology, Helsinki University of Technology, P.O. Box 6200, 02150 Helsinki HUT, Finland

    Surface tension is one of the most important factors in a flotation process, normally being understood to mean surface tension at the pulp surface. In most cases this is enough, but when we try to process materials which have low surface energies, we also have to take into account the surface tension between the air bubbles and the liquid (water) in the flotation cell. This paper reports preliminary study results on this subject.