Study of the rheological properties of dispersed lignite suspensions |
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| Authors: | L'. Lapčík Jr. B. Lapčíková G. Filgasová |
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| Affiliation: | (1) Institute of Physics and Material Engineering Faculty of Technology Technical University of Brno Nám. T.G. Masaryka 275 76272 Zlín, Czech Republic, CZ |
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| Abstract: | The aim of this study was to determine the basic rheological parameters of dispersed highly concentrated lignite aqueous suspensions. Typical dilatant behavior was observed, where critical parameters of dilatancy were determined for different size fractions and concentrations. To modify the non-Newtonian behavior of the lignite highly concentrated suspensions, the effect of surfactant addition on the flow parameters of the suspensions was determined. Received: 5 March 1999/Accepted in revised form: 1 September 1999 |
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| Keywords: | Lignite Flow behavior Rheology Dilatancy |
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