Separation of Organic Materials and Metallic Elements from Marine Waters by the Operation of Gas-Bubble Extraction |
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| Authors: | G Loglio P Cellini Legittimo G Mori U Tesei R Cini |
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| Institution: | 1. Laboratory of Technical Physical Chemistry , University of Florence , Via Gino Capponi 9, 50121, Florence, Italy;2. Department of Pharmaceutical Sciences , University of Florence , Via Gino Capponi 9, 50121, Florence, Italy |
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| Abstract: | A laboratory experimental investigation was conducted to define the action of rising bubbles with respect to heavy-metal enrichment at the sea surface. Analytical data (HMDE-differential pulse anodic stripping voltammetry technique) show possible enrichments of organic-bound Zn, Cu, Cd and Pb at the top of a laboratory bubble-extraction column filled with water samples collected in the Southern Tyrrhenian Sea. In consideration of analogy between natural and laboratory bubble-extraction processes, laboratory results, i.e., enriched-over-original concentration ratios, make it possible to assess the intrinsic heavy-metal flotation capability in marine waters. |
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| Keywords: | Chemical fractionation Khor Kalabsha surface sediment trace metals |
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