About: Super/Subcritical Fluid Extractions for Preparation of the Crystalline Titania

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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	Crystallinity, purity and texture of TiO2 powder in dependence on the treatment mode (purification) of an amorphous reaction semi-product (titania organogel) was studied. Standard calcination was compared with various extraction techniques using fluids in sub/supercritical state. The suitable combination of extraction solvents and extraction conditions (temperature and pressure) was judged to synthesize TiO2 powders crystalline phase (Anatase) with a high specific surface area and purity. The optimal results were achieved by combined extraction procedures - subcritical water extraction and supercritical fluid extraction or pressurised liquid extraction. Moreover the possible tuning of the TiO2 powder pore-size distribution by regulation of temperature at constant pressure for the combination of subcritical water extraction and pressurised liquid extraction was found. Crystallinity, purity and texture of TiO2 powder in dependence on the treatment mode (purification) of an amorphous reaction semi-product (titania organogel) was studied. Standard calcination was compared with various extraction techniques using fluids in sub/supercritical state. The suitable combination of extraction solvents and extraction conditions (temperature and pressure) was judged to synthesize TiO2 powders crystalline phase (Anatase) with a high specific surface area and purity. The optimal results were achieved by combined extraction procedures - subcritical water extraction and supercritical fluid extraction or pressurised liquid extraction. Moreover the possible tuning of the TiO2 powder pore-size distribution by regulation of temperature at constant pressure for the combination of subcritical water extraction and pressurised liquid extraction was found. (en)
Title	Super/Subcritical Fluid Extractions for Preparation of the Crystalline Titania Super/Subcritical Fluid Extractions for Preparation of the Crystalline Titania (en)
skos:prefLabel	Super/Subcritical Fluid Extractions for Preparation of the Crystalline Titania Super/Subcritical Fluid Extractions for Preparation of the Crystalline Titania (en)
skos:notation	RIV/67985858:_____/10:00341176!RIV11-GA0-67985858
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA104/09/0694), P(GP104/09/P290), Z(AV0Z40720504), Z(AV0Z50200510), Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Matějová, Lenka Klusoň, Petr Šolcová, Olga
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	Ústav chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	291071
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/10:00341176
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	titania; supercritical fluid extraction; pressurised fluid extraction (en)
http://linked.open.../riv/klicoveSlovo	supercritical fluid extraction titania pressurised fluid extraction
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[2FF150B00304]
http://linked.open...i/riv/nazevZdroje	Journal of Supercritical Fluids
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced Photocatalytic Processes - Nanotechnology for Environmental Innovative preparation of nanocrystalline metal oxides with high-ordered mesoporous structure by extraction techniques
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Benada, Oldřich Cajthaml, Tomáš Klusoň, Petr Matějová, Lenka Šolcová, Olga Matěj, Z.
http://linked.open...ain/vavai/riv/wos	000276115800007
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection Microorganisms in Research and Biotechnology Condensed Matter Physics – New Materials and Technologies
issn	0896-8446
number of pages	7 (xsd:int)

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