About: Comparative study of CTAB adsorption on bituminous coal and clay mineral

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Adsorption of cetyltrimethylammonium bromide (CTAB) onto bituminous coal (BC) and a clay mineral, montmorillonite (MMT), was studied. Simultaneous measurements of the CTAB adsorption and zeta potential determination of the adsorption suspensions were carried out. The adsorption isotherms were found to be of the typical Langmuir type; values of the CTAB adsorption capacities were calculated (am = 0.65 mmol g-1 for coal and am = 3.24 mmol g-1 for MMT). The shape of the adsorption isotherms was correlated with zeta potential values at the adsorption equilibrium. The adsorption properties of both sorbents were studied by voltammetry on carbon paste electrodes (CPE) modified with coal-CTAB and MMT-CTAB system, respectively. Open circuit sorption with differential pulse voltammetry was performed in order to compare the sorption properties of the systems with the unmodified sorbents. The Cu2+ adsorption on BC and MMT decreased to approximately 50 % and 40 %, respectively. Adsorption of cetyltrimethylammonium bromide (CTAB) onto bituminous coal (BC) and a clay mineral, montmorillonite (MMT), was studied. Simultaneous measurements of the CTAB adsorption and zeta potential determination of the adsorption suspensions were carried out. The adsorption isotherms were found to be of the typical Langmuir type; values of the CTAB adsorption capacities were calculated (am = 0.65 mmol g-1 for coal and am = 3.24 mmol g-1 for MMT). The shape of the adsorption isotherms was correlated with zeta potential values at the adsorption equilibrium. The adsorption properties of both sorbents were studied by voltammetry on carbon paste electrodes (CPE) modified with coal-CTAB and MMT-CTAB system, respectively. Open circuit sorption with differential pulse voltammetry was performed in order to compare the sorption properties of the systems with the unmodified sorbents. The Cu2+ adsorption on BC and MMT decreased to approximately 50 % and 40 %, respectively. (en)
Title	Comparative study of CTAB adsorption on bituminous coal and clay mineral Comparative study of CTAB adsorption on bituminous coal and clay mineral (en)
skos:prefLabel	Comparative study of CTAB adsorption on bituminous coal and clay mineral Comparative study of CTAB adsorption on bituminous coal and clay mineral (en)
skos:notation	RIV/61988987:17310/11:A11010HX!RIV11-GA0-17310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(2A-1TP1/083), P(GP105/07/P041)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Maršálek, Roman Navrátilová, Zuzana
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	Ostravská univerzita v Ostravě / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	191032
http://linked.open...ai/riv/idVysledku	RIV/61988987:17310/11:A11010HX
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Bituminous coal; Carbon paste electrode; CTAB adsorption; Montmorillonite; Zeta potential (en)
http://linked.open.../riv/klicoveSlovo	Bituminous coal CTAB adsorption Carbon paste electrode Montmorillonite Zeta potential
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[D6B6FBCBF20C]
http://linked.open...i/riv/nazevZdroje	CHEM PAP
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Immobilization of heavy metals from waste waters by using nature carbonaceous materials The zeta potential of carbonaceous materials - the mechanisms of collectors' adsorption
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	65
http://linked.open...iv/tvurceVysledku	Maršálek, Roman Navrátilová, Zuzana
http://linked.open...ain/vavai/riv/wos	000286632300011
issn	0366-6352
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	17310

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