Photocatalysis of S-metolachlor in aqueous suspension of magnetic cerium-doped mTiO core–shell under simulated solar light
Environmental Science and Pollution Research, ISSN: 1614-7499, Vol: 24, Issue: 4, Page: 4077-4092
2017
- 15Citations
- 33Captures
Metric Options: CountsSelecting the 1-year or 3-year option will change the metrics count to percentiles, illustrating how an article or review compares to other articles or reviews within the selected time period in the same journal. Selecting the 1-year option compares the metrics against other articles/reviews that were also published in the same calendar year. Selecting the 3-year option compares the metrics against other articles/reviews that were also published in the same calendar year plus the two years prior.
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations15
- Citation Indexes15
- 15
- CrossRef2
- Captures33
- Readers33
- 33
Article Description
Magnetic cerium-doped mesoporous titanium dioxide was synthesized by combining sol–gel method and calcination using tetrabutanate and ammonium cerium nitrate as precursors and Pluronic P123 as a template coating on iron oxide covered with carbon in ethanol. The magnetic Ce-doped catalyst showed only anatase structure with a slight increase in lattice parameters compared to the undoped catalyst. The Ce L-edge X-ray absorption near-edge spectroscopy (XANES) spectra showed Ce, and the cerium substitution doping into titanium dioxide was proposed. Degradation of S-metolachlor in aqueous magnetic photocatalyst suspension followed (pseudo) first-order kinetics in the presence of 0.5 g L of γ-FeO@C@0.16 mol% Ce-mTiO with a half-life of 55.18 ± 1.63 min. Fifteen degradation products were identified, and their transformation routes of the photocatalytic degradation were then proposed. Complementary toxicity assessment of the treated S-metolachlor solution was undertaken with Environment Canada’s algal microplate assay measuring growth inhibition (72-h IC) in the freshwater chlorophyte Pseudokirchneriella subcapitata. This test method revealed a significant decrease in toxicity (1.7-fold reduction after 180 min of irradiation treatment), thereby confirming that the by-products formed following photocatalysis would be less harmful from an environmental point of view. Photocatalytic degradation of S-metolachlor thus appears to hold promise as a cost-effective treatment technology to diminish the presence of this herbicide in aquatic systems.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85001560568&origin=inward; http://dx.doi.org/10.1007/s11356-016-8151-6; http://www.ncbi.nlm.nih.gov/pubmed/27933495; http://link.springer.com/10.1007/s11356-016-8151-6; https://dx.doi.org/10.1007/s11356-016-8151-6; https://link.springer.com/article/10.1007/s11356-016-8151-6
Springer Nature
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