About: Molecular Structure Effects in Photodegradation of Phenol and Its Chlorinated Derivatives with Phthalocyanines

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this work we report on possible utilisation of sulphonated phthalocyanines as efficient oxidation catalysts for the removal of various traces of chlorinated compounds from an aquatic environment. Photocatalytic oxidations were carried out with visible and ultraviolet light in agreement with location of their distinctive absorption bands in both these regions. The reaction rate of decomposition of the substrate was measured as a function of pH. Special attention was paid to describe aggregation of the photocatalyst resulting in significant decreasing of the photooxidation activity. Suppression of this undesirable phenomenon by addition of some alcohol to the reaction mixture was studied in detail. Photocatalytic efficiency was verified according to calculated quantum yields. In this work we report on possible utilisation of sulphonated phthalocyanines as efficient oxidation catalysts for the removal of various traces of chlorinated compounds from an aquatic environment. Photocatalytic oxidations were carried out with visible and ultraviolet light in agreement with location of their distinctive absorption bands in both these regions. The reaction rate of decomposition of the substrate was measured as a function of pH. Special attention was paid to describe aggregation of the photocatalyst resulting in significant decreasing of the photooxidation activity. Suppression of this undesirable phenomenon by addition of some alcohol to the reaction mixture was studied in detail. Photocatalytic efficiency was verified according to calculated quantum yields. (en) V této práci jsou diskutovány možnosti využití sulfonovaných ftalocyaninů jako efektivních oxidačních katalyzátorů pro odstraňování fenolu a jeho chlorovaných derivátů z vodného prostředí. Tyto reakce byly vedeny v přítomnosti UV a viditelného světla, v oblastech sepktra, které odpovídají absorpci světla používaných ftalocyaninů. Rakční rychlost byla shledána závislou na na hodnotě pH. Zvláštní pozornost byla věnována agregačním tendencím používaných ftalocyaninů. Výsledky byly uváděny ve formě kvantových výtěžků. (cs)
Title	Molecular Structure Effects in Photodegradation of Phenol and Its Chlorinated Derivatives with Phthalocyanines Molecular Structure Effects in Photodegradation of Phenol and Its Chlorinated Derivatives with Phthalocyanines (en) Molekulární strukturní jevy při fotogradaci fenolu a jeho clorovaných derivátů s ftalocyaniny (cs)
skos:prefLabel	Molecular Structure Effects in Photodegradation of Phenol and Its Chlorinated Derivatives with Phthalocyanines Molecular Structure Effects in Photodegradation of Phenol and Its Chlorinated Derivatives with Phthalocyanines (en) Molekulární strukturní jevy při fotogradaci fenolu a jeho clorovaných derivátů s ftalocyaniny (cs)
skos:notation	RIV/61388971:_____/08:00316687!RIV09-AV0-61388971
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0577), P(GD203/03/H140), P(KAN400720701), Z(AV0Z40720504), Z(AV0Z50200510)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Cajthaml, Tomáš
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	Mikrobiologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	380356
http://linked.open...ai/riv/idVysledku	RIV/61388971:_____/08:00316687
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	phthalocyanines; oxidation; quantum yield (en)
http://linked.open.../riv/klicoveSlovo	quantum yield oxidation phthalocyanines
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[0D80E50EE29A]
http://linked.open...i/riv/nazevZdroje	Applied Catalysis B - Environmental
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Research centre for nanostructures engineering Hierarchic nanosystems for microelektronics Organised materials for highly selective catalytic and separation processes
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	80
http://linked.open...iv/tvurceVysledku	Cajthaml, Tomáš Krýsa, J. Klusoň, Petr Krejčíková, Simona Rakušan, J. Drobek, M. Kalaji, A.
http://linked.open...ain/vavai/riv/wos	256276300015
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
issn	0926-3373
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Molecular Structure Effects in Photodegradation of Phenol and Its Chlorinated Derivatives with Phthalocyanines Molecular Structure Effects in Photodegradation of Phenol and Its Chlorinated Derivatives with Phthalocyanines Molecular Structure Effects in Photodegradation of Phenol and Its Chlorinated Derivatives with Phthalocyanines Molecular Structure Effects in Photodegradation of Phenol and Its Chlorinated Derivatives with Phthalocyanines

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