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The effect of preparation of biogenic sorbent on zinc sorption

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Author(s): Jana Jenčárová | Alena Luptáková

Journal: Acta Montanistica Slovaca
ISSN 1335-1788

Volume: 16;
Issue: 2;
Start page: 154;
Date: 2011;
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Keywords: sorption | biogenic sorbent | zinc

ABSTRACT
The aim of this study is to prepare biogenic sulphides by using bacteria for the removal of zinc cations from their solutions. Theproduction was realized in a bioreactor under anaerobic conditions at 30 °C. Sorbents were prepared by sulphate-reducing bacteria indifferent nutrient medium modifications, under two modes of bacteria cultivation. Created precipitates of iron sulphides were removedfrom the liquid phase of the cultivation medium by filtration, dried and used for the sorption experiments.
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