Warianty tytułu
Fotodegradacja ksenobiotyku n-butyloparabenu w wodzie z Zalewu Sulejowskiego
Języki publikacji
Abstrakty
Removal of n-butylparaben (BP) - a compound which disrupts the endocrine system - from pure water and natural water taken from Sulejow Reservoir was investigated. Target compound degradation was performed using photochemical methods: direct photolysis by UVC irradiation, advanced oxidation in an H2O2/UV system and photosensitized oxidation employing a xenon arc lamp as a solar radiation simulator with two sensitizers. In the course of direct photolysis by UVC light (ë = 254 nm) and degradation in the H2O2/UV system, no or slight influence of the natural water matrix was observed, respectively. In the case of photosensitized oxidation, the decrease of BP concentration was 15% higher in natural water in comparison to pure water.
W pracy przedstawiono badania degradacji n-butyloparabenu, ksenobiotyku zakłócającego pracę gruczołów wydzielania wewnętrznego w roztworach wody destylowanej i w wodzie naturalnej, pochodzącej z Zalewu Sulejowskiego. Reakcję rozkładu prowadzono metodami fotochemicznymi na drodze fotolizy promieniowaniem lampy UVC, bez i w obecności nadtlenku wodoru oraz poprzez fotosensybilizowane utlenianie z użyciem dwóch sensybilizatorów i lampy ksenonowej imitującej promieniowanie słoneczne. Przebieg fotolizy oraz utleniania w układzie H2O2/UV prowadzony w buforowanej wodzie destylowanej i w wodzie naturalnej praktycznie się nie różni. Natomiast proces fotosensybilizowanego utleniania w wodzie naturalnej przebiega ze zwiększoną szybkością, pozwalając uzyskać w tym samym czasie reakcji o około 15% wyższą redukcję zanieczyszczenia.
Czasopismo
Rocznik
Tom
Strony
517-525
Opis fizyczny
Bibliogr. 23 poz., rys.
Twórcy
autor
autor
autor
autor
autor
- Faculty of Process and Environmental Engineering, Technical University of Lodz, ul. Wólczańska 213, 90-924 Łódź, phone +48 42 631 36 79, fax +48 42 631 37 38, dbledzka@wipos.p.lodz.pl
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.baztech-article-BPG8-0057-0037