The role of zinc-xanthate precipitation in sphalerite flotation |
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| Authors: | M.C. Fuerstenau K.L. Clifford M.C. Kuhn |
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| Affiliation: | 1. South Dakota School of Mines and Technology, Rapid City, S.D. U.S.A.;2. S.E. Missouri Mining and Milling, St. Joe Minerals Corp., Viburnum, Mo. U.S.A.;3. Metallurgical Research Dept., Primary Metals Division, Anaconda Co., Tucson, Ariz. U.S.A. |
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| Abstract: | Flotation of sphalerite with ethyl, propyl, butyl, amyl, and hexyl xanthate is presented as a function of pH and concentration. Surface species have been identified with infrared spectroscopy and correlated with flotation and electrophoretic results. Flotation is postulated to be controlled by the formation and adsorption of bulk precipitated zinc xanthate on the alkyl chains of chemisorbed collector species. |
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