About: Removal of Heavy Metals from Water by Lignite-based Sorbents

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Calcium-loaded lignite was used to remove heavy metals from wastewater by ion exchange. The following quantities were determined experimentally: calcium-loading capacity for different types of lignite, selectivity coefficients of Cu, Zn, Pb, Cd, Ni, Co and Fe(II) ions, kinetic sorption dependences and the effect of flow rate on the shape of break-through curves in column experiments. Sorption kinetics was relatively slow and consequently, the sorption dynamics was influenced by this phenomenon. A numerical code taking into account the sorption kinetics was used for modelling, which proved its applicability for scaled-up columns.The process is very efficient especially in the case of low concentrations of pollutants in water, where common methods are either economically unfavourable or technically complicated. This is very often the case of various metals in the environment, and thus the method could be convenient for their removal. Calcium-loaded lignite was used to remove heavy metals from wastewater by ion exchange. The following quantities were determined experimentally: calcium-loading capacity for different types of lignite, selectivity coefficients of Cu, Zn, Pb, Cd, Ni, Co and Fe(II) ions, kinetic sorption dependences and the effect of flow rate on the shape of break-through curves in column experiments. Sorption kinetics was relatively slow and consequently, the sorption dynamics was influenced by this phenomenon. A numerical code taking into account the sorption kinetics was used for modelling, which proved its applicability for scaled-up columns.The process is very efficient especially in the case of low concentrations of pollutants in water, where common methods are either economically unfavourable or technically complicated. This is very often the case of various metals in the environment, and thus the method could be convenient for their removal. (en) Uhlí nasycené vápníkem bylo použito k odstranění těžkých kovů z odpadních vod iontovou výměnou. Experimentálně bylo stanoveno: nasycení vápníkem pro různé typy uhlí, selektivitní koeficienty pro Cu, Zn, Pb, Ni, Co a Fe(II), kinatika sorpce a vliv průtokové rychlosti na tvar průnikové křivky v kolonových experimentech. (cs)
Title	Removal of Heavy Metals from Water by Lignite-based Sorbents Removal of Heavy Metals from Water by Lignite-based Sorbents (en) Odstraňování těžkých kovů z odpadních vod sorbenty na bázi lignitu. (cs)
skos:prefLabel	Removal of Heavy Metals from Water by Lignite-based Sorbents Removal of Heavy Metals from Water by Lignite-based Sorbents (en) Odstraňování těžkých kovů z odpadních vod sorbenty na bázi lignitu. (cs)
skos:notation	RIV/68407700:21340/04:04097139!RIV08-MSM-21340___
http://linked.open.../vavai/riv/strany	1197;1203
http://linked.open...avai/riv/aktivita	S Z
http://linked.open...avai/riv/aktivity	S, Z(AV0Z4072921), Z(MSM 223200003)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Štamberg, Karel Vopálka, Dušan
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	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	584290
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/04:04097139
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	heavy metals; lignite; modeling; wastewater (en)
http://linked.open.../riv/klicoveSlovo	lignite modeling wastewater heavy metals
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[B420ABCFE90C]
http://linked.open...i/riv/nazevZdroje	Fuel
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...UplatneniVysledku	2004
http://linked.open...v/svazekPeriodika	83
http://linked.open...iv/tvurceVysledku	Horáček, J. Vopálka, Dušan Štamberg, Karel Punčochář, M. Jochová, M.
http://linked.open...n/vavai/riv/zamer	Theoretical fundamentals of chemical processes: equilibrium and dynamic behavior of multiphase reacting systems http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223200003
issn	0016-2361
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	21340

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