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Degradation of organophosphorus pesticide parathion methyl on nanostructured titania-iron mixed oxides
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SYSNO ASEP 0444161 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Degradation of organophosphorus pesticide parathion methyl on nanostructured titania-iron mixed oxides Author(s) Henych, Jiří (UACH-T) SAI, RID, ORCID
Štengl, Václav (UACH-T) RID, ORCID, SAI
Slušná, Michaela (UACH-T) RID, SAI
Matys Grygar, Tomáš (UACH-T) RID, SAI, ORCID
Janoš, P. (CZ)
Kuráň, P. (CZ)
Šťastný, M. (CZ)Source Title Applied Surface Science. - : Elsevier - ISSN 0169-4332
Roč. 344, JUL (2015), s. 9-16Number of pages 8 s. Language eng - English Country NL - Netherlands Keywords Titania-iron oxides ; Homogeneous hydrolysis ; Degradation of organophosphates ; Parathion methyl Subject RIV CA - Inorganic Chemistry R&D Projects GAP106/12/1116 GA ČR - Czech Science Foundation (CSF) Institutional support UACH-T - RVO:61388980 UT WOS 000353802600002 EID SCOPUS 84929377292 DOI 10.1016/j.apsusc.2015.02.181 Annotation Titania-iron mixed oxides with various Ti:Fe ratio were prepared by homogeneous hydrolysis of aqueous solutions of titanium(IV) oxysulphate and iron(III) sulphate with urea as a precipitating agent. The synthesized samples were characterized by X-ray diffraction, Raman and infrared spectroscopy, scanning and transmission electron microscopy, XRF analysis, specific surface area (BET) and porosity determination (BJH). These oxides were used for degradation of organophosporus pesticide parathion methyl. The highest degradation efficiency approaching <70% was found for the samples with Ti: Fe ratio 0.25:1 and 1:0.25. Contrary, parathion methyl was not degraded on the surfaces of pure oxides. In general, the highest degradation rate exhibited samples consisted of the iron or titanium oxide containing a moderate amount of the admixture. However, distinct correlations between the degradation rate and the sorbent composition were not identified. Workplace Institute of Inorganic Chemistry Contact Jana Kroneislová, krone@iic.cas.cz, Tel.: 311 236 931 Year of Publishing 2016
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