About: Removal of Nonionic Surfactants from Wastewater Using a Constructed Wetland

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Removal of nonionic surfactants from municipal wastewater using a constructed wetland with a horizontal subsurface flow was studied in 2009 and 2010. Extraction spectrophotometry with 3', 3 '', 5', 5 ''-tetrabromophenolphthalein ethyl ester and KCl served to determine the analyte concentrations. Triton (R) X-100 was used as a standard to express the nonionic-surfactant concentrations. Anionic and cationic surfactants were shown not to interfere during the determination. Nonionic surfactants were degraded (to products undeterminable by the method) with a high average efficiency that reached 98.1% in 2009 and 99.1% in 2010, respectively. The average concentration of nonionic surfactants at the inflow was 0.978 mg/l, while it was close to the limit of quantification at the outflow (0.014 mg/l). A significant fraction of nonionic surfactants (38.7%) was already degraded during the pretreatment, and only 14.0% of the nonionic surfactants remained in the interstitial H(2)O taken in the vegetation bed at a distance of 1 m from the inflow zone at a 50-cm depth. Nonionic surfactants were degraded both under aerobic and anaerobic conditions. Removal of nonionic surfactants from municipal wastewater using a constructed wetland with a horizontal subsurface flow was studied in 2009 and 2010. Extraction spectrophotometry with 3', 3 '', 5', 5 ''-tetrabromophenolphthalein ethyl ester and KCl served to determine the analyte concentrations. Triton (R) X-100 was used as a standard to express the nonionic-surfactant concentrations. Anionic and cationic surfactants were shown not to interfere during the determination. Nonionic surfactants were degraded (to products undeterminable by the method) with a high average efficiency that reached 98.1% in 2009 and 99.1% in 2010, respectively. The average concentration of nonionic surfactants at the inflow was 0.978 mg/l, while it was close to the limit of quantification at the outflow (0.014 mg/l). A significant fraction of nonionic surfactants (38.7%) was already degraded during the pretreatment, and only 14.0% of the nonionic surfactants remained in the interstitial H(2)O taken in the vegetation bed at a distance of 1 m from the inflow zone at a 50-cm depth. Nonionic surfactants were degraded both under aerobic and anaerobic conditions. (en)
Title	Removal of Nonionic Surfactants from Wastewater Using a Constructed Wetland Removal of Nonionic Surfactants from Wastewater Using a Constructed Wetland (en)
skos:prefLabel	Removal of Nonionic Surfactants from Wastewater Using a Constructed Wetland Removal of Nonionic Surfactants from Wastewater Using a Constructed Wetland (en)
skos:notation	RIV/60076658:12310/11:43875228!RIV12-MSM-12310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6007665801)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Šíma, Jan Kadlecová, Veronika
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	Jihočeská univerzita v Českých Budějovicích / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	226524
http://linked.open...ai/riv/idVysledku	RIV/60076658:12310/11:43875228
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SCALE; SLUDGE; BEHAVIOR; SEWAGE; TRANSFORMATION; AQUATIC ENVIRONMENT; NONYLPHENOL ETHOXYLATE SURFACTANTS; ALKYLPHENOL POLYETHOXYLATE SURFACTANTS (en)
http://linked.open.../riv/klicoveSlovo	SLUDGE BEHAVIOR ALKYLPHENOL POLYETHOXYLATE SURFACTANTS AQUATIC ENVIRONMENT NONYLPHENOL ETHOXYLATE SURFACTANTS SCALE SEWAGE TRANSFORMATION
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A7AF3D42A5C9]
http://linked.open...i/riv/nazevZdroje	Chemistry & Biodiversity
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Šíma, Jan Holcová, Veronika
http://linked.open...ain/vavai/riv/wos	000296503800002
http://linked.open...n/vavai/riv/zamer	EKOLOGICKÉ, EVOLUČNÍ A EXPERIMENTÁLNĚ BIOLOGICKÉ PŘÍSTUPY KE STUDIU VZNIKU A VÝZNAMU BIODIVERZITY
issn	1612-1872
number of pages	14 (xsd:int)
http://localhost/t...ganizacniJednotka	12310
is http://linked.open...avai/riv/vysledek of	Removal of Nonionic Surfactants from Wastewater Using a Constructed Wetland Removal of Nonionic Surfactants from Wastewater Using a Constructed Wetland

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