Degradation of organophosphorus pesticide parathion methyl on nanostructured titania-iron mixed oxides

•Ti–Fe mixed oxides were synthesized via low-temperature one-pot method.•Mixed oxides were used for degradation of parathion methyl.•Pure reference oxide samples showed no degradation ability.•Mixed oxides reached 70% degree of conversion of parathion methyl. Titania-iron mixed oxides with various T...

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Bibliographic Details
Published in:Applied surface science 2015-07, Vol.344, p.9-16
Main Authors: Henych, Jiří, Štengl, Václav, Slušná, Michaela, Matys Grygar, Tomáš, Janoš, Pavel, Kuráň, Pavel, Štastný, Martin
Format: Article
Language:English
Subjects:
Degradation
Degradation of organophosphates
Diffraction
Homogeneous hydrolysis
Mixed oxides
Nanostructure
Oxides
Parathion methyl
Pesticides
Specific surface
Sulfates
Titania-iron oxides
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Summary:•Ti–Fe mixed oxides were synthesized via low-temperature one-pot method.•Mixed oxides were used for degradation of parathion methyl.•Pure reference oxide samples showed no degradation ability.•Mixed oxides reached 70% degree of conversion of parathion methyl. 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
ISSN:0169-4332
1873-5584
DOI:10.1016/j.apsusc.2015.02.181