The Role of Titania Layers in Decomposition of Endocrine Disruptors under UV Light.

0490479 - ÚCHP 2019 RIV NL eng J - Journal Article
Šolcová, Olga - Spáčilová, Lucie - Caklová, Magdalena - Dytrych, Pavel - Maléterová, Ywetta - Bumba, Jakub - Kaštánek, František - Hanika, Jiří
The Role of Titania Layers in Decomposition of Endocrine Disruptors under UV Light.
Journal of Sol-Gel Science and Technology. Roč. 88, č. 1 (2018), s. 22-32. ISSN 0928-0707. E-ISSN 1573-4846
R&D Projects: GA TA ČR TA04020700
Institutional support: RVO:67985858
Keywords : titanium dioxide * photocatalysis * photolysis
OECD category: Chemical process engineering
Impact factor: 1.986, year: 2018

Degradation of three different endocrine disruptors (EDs) was thoroughly studied on prepared durable thin layers of titanium dioxide with an anatase crystalline structure. Specially constructed laboratory reactors bringing information on all individual processes (photolysis, photo-catalysis, sorption) involved in decomposition of the studied EDs (17 α-ethynylestradiol, bisphenol A and 4-nonylphenol) were applied. It was found that photolytic removal of EDs is the fastest degradation process. It was verified that individual degradation processes (photolysis and photocatalysis) showed a significantly different influence on toxicity of resulting solutions. During the photolytic process, EDs degradation caused increasing toxicity contrary to the photocatalytic process. Obtained results were corroborated by a mathematical model, which showed that a limitation step for photocatalysis is a sorption and for photolysis a toxicity of resulting products.
Permanent Link: http://hdl.handle.net/11104/0287326