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Bioleaching of Zn, Ni and Fe from contaminated sediments of water reservoir Ruzin I with using heterotrophic bacterial strains

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Authors:Jablonovska, Katarina; Pallova, Zuzana; Styriakova, Iveta
Author Affiliations:Primary:
Slovak Academy of Sciences, Institute of Geotechnics, Kosice, Slovakia
Volume Title:Acta Montanistica Slovaca
Source:Acta Montanistica Slovaca, 17(1), p.47-50. Publisher: Fakulta BERG Technickei Univerzity, Kosice, Slovakia. ISSN: 1335-1788
Publication Date:2012
Note:In English. 14 refs.; illus., incl. 1 table
Summary:This study investigates the bioleaching of the zinc polluted sediment from water reservoir Ruzin I using heterotrophic bacterial strains ubiquitous in sediment environment. The effect of bacterial activity, pH, iron solubilization and precipitation and bioleaching medium were evaluated. The pH value controls the bacterial activity during the leaching process. Addition of glucose to the bioleaching medium accelerated the bioleaching rate. The results indicates, that the leachibility of zinc depend on the geochemical forms and surface interaction between metal and sediment fraction. Sequential chemical extraction confirm, that Zn was predominantly bound to the iron-manganese oxides.
Subjects:Bioleaching; Decontamination; Heavy metals; Iron; Leaching; Manganese oxides; Metals; Nickel; Oxides; PH; Pollutants; Pollution; Sediments; Soil pollution; Soil treatment; Water quality; Zinc; Bacteria; Ruzin Reservoir
Record ID:812408-4
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute.
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