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Statements

Subject Item
n2:RIV%2F25870807%3A_____%2F14%3A%230000362%21RIV15-MSM-25870807
rdf:type
skos:Concept n17:Vysledek
dcterms:description
Lead is one of the elements dangerous for the environment. It occurs in soil and also in water. Therefore, the content of Pb ions should be controlled and their concentration in wastewater must be reduced. Article deals with sorption properties of the magnetically modified biological material which was developed from a used tea leaves. Magnetically modified tea was suspended in methanol and then was added ferrofluid (magnetic iron oxide nanoparticles). Prepared material was characterized by using scanning electron microscopy, X-ray diffraction methods and X-ray fluorescence spectrometry. Studies were focused on the sorption and desorption properties. The changes of Fe content in magnetically modified material after treatment were observed as well. Adsorption process has been modelled by Langmuir and Freundlich isotherms. Results show that the maximal sorption capacity of Pb2+ on the material is 44.5 mg/g and desorption amount did not exceed 7.4% of the adsorbed amount of Pb ions. It was proven that magnetically modified material during the dynamic sorption and desorption is stable at high adsorbed amount of lead ions. Lead is one of the elements dangerous for the environment. It occurs in soil and also in water. Therefore, the content of Pb ions should be controlled and their concentration in wastewater must be reduced. Article deals with sorption properties of the magnetically modified biological material which was developed from a used tea leaves. Magnetically modified tea was suspended in methanol and then was added ferrofluid (magnetic iron oxide nanoparticles). Prepared material was characterized by using scanning electron microscopy, X-ray diffraction methods and X-ray fluorescence spectrometry. Studies were focused on the sorption and desorption properties. The changes of Fe content in magnetically modified material after treatment were observed as well. Adsorption process has been modelled by Langmuir and Freundlich isotherms. Results show that the maximal sorption capacity of Pb2+ on the material is 44.5 mg/g and desorption amount did not exceed 7.4% of the adsorbed amount of Pb ions. It was proven that magnetically modified material during the dynamic sorption and desorption is stable at high adsorbed amount of lead ions.
dcterms:title
Magnetically Modified Tea for Lead Sorption Magnetically Modified Tea for Lead Sorption
skos:prefLabel
Magnetically Modified Tea for Lead Sorption Magnetically Modified Tea for Lead Sorption
skos:notation
RIV/25870807:_____/14:#0000362!RIV15-MSM-25870807
n3:aktivita
n4:P
n3:aktivity
P(ED0040/01/01), P(GA13-13709S), P(LO1203)
n3:cisloPeriodika
4
n3:dodaniDat
n6:2015
n3:domaciTvurceVysledku
n13:2018039
n3:druhVysledku
n15:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
26913
n3:idVysledku
RIV/25870807:_____/14:#0000362
n3:jazykVysledku
n14:eng
n3:klicovaSlova
lead sorption magnetically modified biological material
n3:klicoveSlovo
n16:lead%20sorption%20magnetically%20modified%20biological%20material
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[568442B31906]
n3:nazevZdroje
Advanced Science Engineering and Medicine
n3:obor
n8:JG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:projekt
n5:GA13-13709S n5:ED0040%2F01%2F01 n5:LO1203
n3:rokUplatneniVysledku
n6:2014
n3:svazekPeriodika
6
n3:tvurceVysledku
Gabor, Roman
s:issn
2164-6627
s:numberOfPages
4