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Statements

Subject Item
n2:RIV%2F61988987%3A17310%2F11%3AA11010HX%21RIV11-GA0-17310___
rdf:type
n4:Vysledek skos:Concept
dcterms: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.
dcterms:title
Comparative study of CTAB adsorption on bituminous coal and clay mineral Comparative study of CTAB adsorption on bituminous coal and clay mineral
skos:prefLabel
Comparative study of CTAB adsorption on bituminous coal and clay mineral Comparative study of CTAB adsorption on bituminous coal and clay mineral
skos:notation
RIV/61988987:17310/11:A11010HX!RIV11-GA0-17310___
n4:predkladatel
n16:orjk%3A17310
n3:aktivita
n14:P
n3:aktivity
P(2A-1TP1/083), P(GP105/07/P041)
n3:cisloPeriodika
1
n3:dodaniDat
n8:2011
n3:domaciTvurceVysledku
n13:4360478 n13:7269439
n3:druhVysledku
n10:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
191032
n3:idVysledku
RIV/61988987:17310/11:A11010HX
n3:jazykVysledku
n19:eng
n3:klicovaSlova
Bituminous coal; Carbon paste electrode; CTAB adsorption; Montmorillonite; Zeta potential
n3:klicoveSlovo
n7:Bituminous%20coal n7:CTAB%20adsorption n7:Zeta%20potential n7:Montmorillonite n7:Carbon%20paste%20electrode
n3:kodStatuVydavatele
SK - Slovenská republika
n3:kontrolniKodProRIV
[D6B6FBCBF20C]
n3:nazevZdroje
CHEM PAP
n3:obor
n17:CF
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n12:GP105%2F07%2FP041 n12:2A-1TP1%2F083
n3:rokUplatneniVysledku
n8:2011
n3:svazekPeriodika
65
n3:tvurceVysledku
Navrátilová, Zuzana Maršálek, Roman
n3:wos
000286632300011
s:issn
0366-6352
s:numberOfPages
8
n18:organizacniJednotka
17310