About: Preparation of Modified Sorbents from Rehydrated Clay Materials

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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	The use of clay materials as selective sorbents for different contaminants requires very efficient methods. A natural kaolinite was calcined to metakaolinite and than rehydrated at different temperatures to produce a highly porous sorbent. The kinetics of this process were measured, with subsequent IR characterization of the phases formed. The surface and pore distribution of new phases were also assigned. In addition, the kaolinite obtained was pre-treated with Fe3+ ions to improve its sorption affinity for anionic particles. The rehydrated kaolinite and its Fe-modification were used for the adsorption of toxic cations (Zn, Cd, Pb) and anions (As, Se). Adsorption capacities depending on the physical chemical properties of the initial solution (pH, concentration of toxic ions) and the surface properties of the sorbent (specific surface area, modification method) were investigated. The adsorption properties of the sorbents were defined by the Langmuir model. The use of clay materials as selective sorbents for different contaminants requires very efficient methods. A natural kaolinite was calcined to metakaolinite and than rehydrated at different temperatures to produce a highly porous sorbent. The kinetics of this process were measured, with subsequent IR characterization of the phases formed. The surface and pore distribution of new phases were also assigned. In addition, the kaolinite obtained was pre-treated with Fe3+ ions to improve its sorption affinity for anionic particles. The rehydrated kaolinite and its Fe-modification were used for the adsorption of toxic cations (Zn, Cd, Pb) and anions (As, Se). Adsorption capacities depending on the physical chemical properties of the initial solution (pH, concentration of toxic ions) and the surface properties of the sorbent (specific surface area, modification method) were investigated. The adsorption properties of the sorbents were defined by the Langmuir model. (en)
Title	Preparation of Modified Sorbents from Rehydrated Clay Materials Preparation of Modified Sorbents from Rehydrated Clay Materials (en)
skos:prefLabel	Preparation of Modified Sorbents from Rehydrated Clay Materials Preparation of Modified Sorbents from Rehydrated Clay Materials (en)
skos:notation	RIV/60461373:22310/12:43893769!RIV13-GA0-22310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP210/10/0938)
http://linked.open...iv/cisloPeriodika	june
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Doušová, Barbora Lhotka, Miloslav
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	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	161347
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/12:43893769
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pore size distribution; adsorption; Rehydration; Metakaolinite; Kaolinite (en)
http://linked.open.../riv/klicoveSlovo	Kaolinite adsorption pore size distribution Metakaolinite Rehydration
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[0275A0541CEE]
http://linked.open...i/riv/nazevZdroje	Clay Minerals
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Effect of irrigation and precipitation to arsenic mobility in soils
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	47
http://linked.open...iv/tvurceVysledku	Machovič, Vladimír Doušová, Barbora Lhotka, Miloslav
http://linked.open...ain/vavai/riv/wos	000305711900008
issn	0009-8558
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1180/claymin.2012.047.2.08
http://localhost/t...ganizacniJednotka	22310

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