About: Heavy metals in sediments from constructed wetlands treating municipal wastewater

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The purpose of this study was to evaluate the amount of sediments and heavy metal concentration in the sediments in filtration beds of seven constructed wetlands treating municipal sewage with various length of operation. The results revealed that concentrations of Cd, Ni, Pb, Cu, Cr and Zn in the sediment are mostly comparable with concentrations occurred in natural unpolluted or slightly polluted wetlands. Concentrations of studied heavy metals exceeded only occasionally limits set by the Czech legislation. However, when heavy metal concentrations are evaluated within the filtration material the concentrations are well below the limits set for soils in the Czech Republic. The results also revealed that concentrations of heavy metals in the sediment do not reflect the time of operation probably due to build-up of sediments from suspended solids contained in wastewaters. However, the sediment mass increases during the course of operation and consequently the metal mass increases as well. The purpose of this study was to evaluate the amount of sediments and heavy metal concentration in the sediments in filtration beds of seven constructed wetlands treating municipal sewage with various length of operation. The results revealed that concentrations of Cd, Ni, Pb, Cu, Cr and Zn in the sediment are mostly comparable with concentrations occurred in natural unpolluted or slightly polluted wetlands. Concentrations of studied heavy metals exceeded only occasionally limits set by the Czech legislation. However, when heavy metal concentrations are evaluated within the filtration material the concentrations are well below the limits set for soils in the Czech Republic. The results also revealed that concentrations of heavy metals in the sediment do not reflect the time of operation probably due to build-up of sediments from suspended solids contained in wastewaters. However, the sediment mass increases during the course of operation and consequently the metal mass increases as well. (en)
Title	Heavy metals in sediments from constructed wetlands treating municipal wastewater Heavy metals in sediments from constructed wetlands treating municipal wastewater (en)
skos:prefLabel	Heavy metals in sediments from constructed wetlands treating municipal wastewater Heavy metals in sediments from constructed wetlands treating municipal wastewater (en)
skos:notation	RIV/25173154:_____/10:#0000138!RIV11-GA0-25173154
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(2B06023), P(GA206/06/0058), P(QH81170), Z(MSM6007665806)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kröpfelová, Lenka Vymazal, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	ENKI, o.p.s.
http://linked.open...dnocenehoVysledku	261330
http://linked.open...ai/riv/idVysledku	RIV/25173154:_____/10:#0000138
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Constructed wetlands; gravel; heavy metals; horizontal flow; wastewater treatment (en)
http://linked.open.../riv/klicoveSlovo	gravel wastewater treatment heavy metals horizontal flow Constructed wetlands
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[D1ADA50E3DBC]
http://linked.open...i/riv/nazevZdroje	Biogeochemistry
http://linked.open...in/vavai/riv/obor	DJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of a method for estimation of energy and matter fluxes in selected ecosystems; formulation and verification of principles for evaluation of conditions supporting selfregulation and biodiversity. Monitoring of heavy metals and selected risk elements during wastewatr treatment in constructed wetlands Multidisciplinary evaluation of impacts of special territorial protection for hydrological important areas
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	101
http://linked.open...iv/tvurceVysledku	Kröpfelová, Lenka Vymazal, Jan Němcová, J. Švehla, J. Suchý, V.
http://linked.open...n/vavai/riv/zamer	Sustainable methods of agricultural management in montane and submontane areas with respect to harmonization of the production and nonproduction spheres
issn	0168-2563
number of pages	22 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Heavy metals in sediments from constructed wetlands treating municipal wastewater Heavy metals in sediments from constructed wetlands treating municipal wastewater Heavy metals in sediments from constructed wetlands treating municipal wastewater

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