About: Magnetically Modified Tea for Lead Sorption

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	Magnetically Modified Tea for Lead Sorption Magnetically Modified Tea for Lead Sorption (en)
skos:prefLabel	Magnetically Modified Tea for Lead Sorption Magnetically Modified Tea for Lead Sorption (en)
skos:notation	RIV/25870807:_____/14:#0000362!RIV15-MSM-25870807
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0040/01/01), P(GA13-13709S), P(LO1203)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Gabor, Roman
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	MATERIÁLOVÝ A METALURGICKÝ VÝZKUM s.r.o.
http://linked.open...dnocenehoVysledku	26913
http://linked.open...ai/riv/idVysledku	RIV/25870807:_____/14:#0000362
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	lead sorption magnetically modified biological material (en)
http://linked.open.../riv/klicoveSlovo	lead sorption magnetically modified biological material
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[568442B31906]
http://linked.open...i/riv/nazevZdroje	Advanced Science Engineering and Medicine
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Regionální materiálově technologické výzkumné centrum - Program udržitelnosti Regional materials science and technology centre Magnetic composite materials for removal of pollutants
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	6
http://linked.open...iv/tvurceVysledku	Gabor, Roman
issn	2164-6627
number of pages	4 (xsd:int)

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