Size and phase fractionation of water components by membrane filtration
Distribution patterns for arsenic, iron and manganese in aqueous effluents of tin ore settling plant |
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| Authors: | R Wennrich J Mattusch P Morgenstern T G Dzherayan V M Shkinev and B Y Spivakov |
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| Institution: | (1) Centre for Environmental Research, Department of Analytical Chemistry, Permoserstrasse 15, D-04318 Leipzig, Germany, DE;(2) Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Kosygin str., 19, 117975 Moscow, Russia, RU |
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| Abstract: | The possibility of on-line membrane size-fractionation of water components and simultaneous separation of particulate and
dissolved matter at each filtration stage has been shown. The distribution patterns have been studied for As, Fe and Mn in
effluent samples of tin ore tailings (Altenberg, Saxony, Germany). The seepage composition is characterized by high concentrations
of Fe and As. The particulate and dissolved components were separated in five fractions between 0.025 and 8 μm. It was suggested
that the distribution patterns of As and Fe compounds depend on the chemical conditions at the sampling sites. Manganese exists
mainly in solvated forms in the liquid fractions.
Received: 8 January 1997 / Revised: 8 April 1997 / Accepted: 9 April 1997 |
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