The influence of humic materials on the flotation of coal |
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| Authors: | BA Firth SK Nicol |
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| Institution: | B.H.P. Central Research Laboratories, Shortland, N.S.W. 2307 Australia |
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| Abstract: | The effect of humic material on the flotation response of coal has been examined. The results show that while hydrogen ions do not adversely affect the flotation of coal particles, they interact with humic material adsorbed on the surface of the clay particles and render their surfaces oleophilic. This behaviour enables the clay particles to adsorb collector in preference to the coal particles and thus inhibit coal flotation. |
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