Utilization of permeable Fe0-barrier for sanation of water percolating dump sediments

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Utilization of permeable Fe0-barrier for sanation of water percolating dump sediments

Popis výsledku v původním jazyce

The Podlipa dump-field material at Ľubietová abandoned Cu-deposit show high Cu, Fe, Cd, Co, Mn, Ni and Pb contents. In most cases higher metal contents were described in winter dry period as in the rainy periods. The oposite situation was very rare. The depression under the Empfängnis dump is saturated by several outflows of drainage water percolating through the dump material. For the most part it is a case of surface water of a mountain stream draining the area along the valley. In the area under the Podlipa dump field, the brook several times percolate the dump sediments. In the points of outflow of drainage water from the dumps on the surface, secondary minerals of copper (pseudomalachite?) deposit preferentially on dead plant residues. Moreover, on the bottom of the pool in the depression under the dump of Empfängnis gallery, a continuous green coat of Cu carbonates can be seen. The bottom sediment contains up to 2.15 wt.% of Fe, 15 402 ppm of Cu, 134 ppm of Pb and 220 ppm of As. The results show a significant contamination of water as a consequence of percolation through the dump sediments - above all contamination with Cu, Ni, Pb and Sb, and an increase in the contents of majority of the heavy metals in the dry season. Fe0-barrier seems to be relatively efficient for Fe and As removal and vice versa removal of Zn and S is limited. Cd, Pb and P contents are very low so the results are not unambiguous. The relation between pH/Eh ratio and of the efficiency of Fe0-barrier could not be with respect to the low values proved.

Název v anglickém jazyce

Utilization of permeable Fe0-barrier for sanation of water percolating dump sediments

Popis výsledku anglicky

The Podlipa dump-field material at Ľubietová abandoned Cu-deposit show high Cu, Fe, Cd, Co, Mn, Ni and Pb contents. In most cases higher metal contents were described in winter dry period as in the rainy periods. The oposite situation was very rare. The depression under the Empfängnis dump is saturated by several outflows of drainage water percolating through the dump material. For the most part it is a case of surface water of a mountain stream draining the area along the valley. In the area under the Podlipa dump field, the brook several times percolate the dump sediments. In the points of outflow of drainage water from the dumps on the surface, secondary minerals of copper (pseudomalachite?) deposit preferentially on dead plant residues. Moreover, on the bottom of the pool in the depression under the dump of Empfängnis gallery, a continuous green coat of Cu carbonates can be seen. The bottom sediment contains up to 2.15 wt.% of Fe, 15 402 ppm of Cu, 134 ppm of Pb and 220 ppm of As. The results show a significant contamination of water as a consequence of percolation through the dump sediments - above all contamination with Cu, Ni, Pb and Sb, and an increase in the contents of majority of the heavy metals in the dry season. Fe0-barrier seems to be relatively efficient for Fe and As removal and vice versa removal of Zn and S is limited. Cd, Pb and P contents are very low so the results are not unambiguous. The relation between pH/Eh ratio and of the efficiency of Fe0-barrier could not be with respect to the low values proved.

Druh

D - Stať ve sborníku

CEP obor

DH - Báňský průmysl včetně těžby a zpracování uhlí

OECD FORD obor

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Projekt

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Návaznosti

N - Vyzkumna aktivita podporovana z neverejnych zdroju

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

19th Conference on Environment and Mineral Processing : 4.-6.6.2015, VŠB-TU Ostrava, Czech Republic. Part II

ISBN

978-80-248-3754-3

ISSN

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e-ISSN

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Počet stran výsledku

6

Strana od-do

189-194

Název nakladatele

VŠB - Technical University of Ostrava

Místo vydání

Ostrava

Místo konání akce

Ostrava

Datum konání akce

4. 6. 2015

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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