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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F11%3A86079521%21RIV12-GA0-27360___
rdf:type
n14:Vysledek skos:Concept
dcterms:description
Preparation of nanocomposite kaolinite/TiO2, using a hydrolysis of titanyl sulfate in the presence of kaolin was addressed. A variable (kaolin)/(titanyl sulfate) ratio has been used in order to achieve the desired TiO2 content in prepared nanocomposites. Calcination of the composites at 600°C led to the transformation of the kaolinite to metakaolinite and to origination of metakaolinite/TiO2 composites. The prepared samples were investigated using X-ray fluorescence spectroscopy, X-ray powder diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, thermogravimetry and diffuse reflectance spectroscopy in the UV-VIS region. Structural ordering of TiO2 on the kaolinite particle surface was modeled using empirical force field atomistic simulations in the Material Studio modeling environment. Photodegradation activity of the composites prepared was evaluated by the discoloration of Acid Orange 7 aqueous solution. Preparation of nanocomposite kaolinite/TiO2, using a hydrolysis of titanyl sulfate in the presence of kaolin was addressed. A variable (kaolin)/(titanyl sulfate) ratio has been used in order to achieve the desired TiO2 content in prepared nanocomposites. Calcination of the composites at 600°C led to the transformation of the kaolinite to metakaolinite and to origination of metakaolinite/TiO2 composites. The prepared samples were investigated using X-ray fluorescence spectroscopy, X-ray powder diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, thermogravimetry and diffuse reflectance spectroscopy in the UV-VIS region. Structural ordering of TiO2 on the kaolinite particle surface was modeled using empirical force field atomistic simulations in the Material Studio modeling environment. Photodegradation activity of the composites prepared was evaluated by the discoloration of Acid Orange 7 aqueous solution.
dcterms:title
Preparation and characterization of photoactive composite kaolinite/TiO2 Preparation and characterization of photoactive composite kaolinite/TiO2
skos:prefLabel
Preparation and characterization of photoactive composite kaolinite/TiO2 Preparation and characterization of photoactive composite kaolinite/TiO2
skos:notation
RIV/61989100:27360/11:86079521!RIV12-GA0-27360___
n14:predkladatel
n20:orjk%3A27360
n3:aktivita
n12:S n12:P
n3:aktivity
P(FT-TA4/025), P(GA205/08/0869), S
n3:cisloPeriodika
188
n3:dodaniDat
n9:2012
n3:domaciTvurceVysledku
n18:5570794
n3:druhVysledku
n13:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
223041
n3:idVysledku
RIV/61989100:27360/11:86079521
n3:jazykVysledku
n10:eng
n3:klicovaSlova
photoactivity; composite; TiO2; kaolin
n3:klicoveSlovo
n7:kaolin n7:photoactivity n7:TiO2 n7:composite
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[94C9989A76E9]
n3:nazevZdroje
Journal of Hazardous Materials
n3:obor
n17:JI
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
9
n3:projekt
n5:FT-TA4%2F025 n5:GA205%2F08%2F0869
n3:rokUplatneniVysledku
n9:2011
n3:svazekPeriodika
22
n3:tvurceVysledku
Smetana, Bedřich Matějka, Vlastimil Rebilasová, Silvie Tokarský, Jonáš Čapková, Pavla Kukutschová, Jana Mamulová Kutláková, Kateřina Kovář, Pavel Kovářová, Alena
s:issn
0304-3894
s:numberOfPages
9
n8:doi
10.1016/j.jhazmat.2011.01.106
n19:organizacniJednotka
27360