Removal and retention o mercury in constructed treatment wetlands in the Czech republic

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25173154%3A_____%2F10%3A%230000156" target="_blank" >RIV/25173154:_____/10:#0000156 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Removal and retention o mercury in constructed treatment wetlands in the Czech republic
Original language description
Removal of mercury from wastewater and its sequestration in plant biomass in three constructed wetlands with horizontal subsurface flow in the Czech Republic. The constructed wetlands were designed to treat municipal sewage from 100, 150 and 700 PE. Theremoval of mercury varied between 32% and 49% aminy systems and averaged 41% with the mean outflow concentration of 0.21 ml L-1. The highest concentrations of Hg in plants were found in roots, followed by leaves, rhizomes and the lowest Hg concentrationswere found in stems. Average aboveground and belowground Hg concentrations were 0.18 mg kg-1 and 0.30 mg kg-1, respectively. These concentrations are comparable with those found in macrophytes growing in unpolluted natural wetlands. The amount of mercury sequestered in aboveground biomass did not exceed 3% of the inflow Hg loading. The amount of sediments varied between 0.6 and 10% of the dry weight of the filtration material.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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