Zobrazit minimální záznam
dc.contributor.author |
Trousil, Vojtěch
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dc.contributor.author |
Palarčík, Jiří
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dc.contributor.author |
Smolný, Marek
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dc.contributor.author |
Blažková, Zuzana
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dc.contributor.author |
Machalický, Oldřich
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dc.contributor.author |
Cakl, Jiri
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dc.date.accessioned |
2019-10-03T07:41:05Z |
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dc.date.available |
2019-10-03T07:41:05Z |
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dc.date.issued |
2019 |
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dc.identifier.isbn |
978-80-7560-243-5 |
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dc.identifier.issn |
1211-5541 |
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dc.identifier.uri |
https://hdl.handle.net/10195/74261 |
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dc.description.abstract |
Degradation of the active pharmaceutical ingredient diclofenac (DCL) was studied using
a laboratory-scale photoreactor equipped with highly efficient UV-A LEDs. Three
photocatalysts (Aeroxide P25, Hombikat UV 100 and Precheza AV01) were tested and
compared. In addition to deionized water, the other types of water (water matrices), were
then tap water, unfiltered surface water, and the primary effluent of a wastewater from
the municipal treatment plant. The experimental results indicated that the UV-A LED
source operating at a wavelength of 368 nm had been much more efficient when combined
with Precheza AV-01 photocatalyst of the microstructured anatase type. A negligible
contribution of photolysis was noticed, while UV-A/TiO2 photocatalysis was more
efficient in DCL removal in both the tap and the surface water matrices. The removal
rate of DCL from the wastewater matrix was more dependent on the matrix itself than
on the chemical structure of the micropollutant. The addition of hydrogen peroxide to
the photocatalytic system enhanced the removal rates. The results of the algal growth
inhibition test revealed a significant reduction of toxicity to Parachlorella kessleri after
UV-A LED irradiation of the DCL solution. In addition, the reduction of the 'matrix
toxicity' was also observed. |
en |
dc.format |
p. 101 - 116 |
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dc.language.iso |
en |
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dc.publisher |
University of Pardubice |
en |
dc.relation.ispartof |
Scientific papers of the University of Pardubice. Series A, Faculty of Chemical Technology. 25/2019 |
en |
dc.rights |
open access |
en |
dc.subject |
diclofenac |
en |
dc.subject |
photocatalytic degradation |
en |
dc.subject |
UV-A LEDs |
en |
dc.subject |
wastewater |
en |
dc.title |
Diclofenac removal from waste water by UV-A LED-based heterogeneous photocatalysis |
en |
dc.type |
Article |
en |
dc.peerreviewed |
yes |
en |
dc.publicationstatus |
published |
en |
dc.identifier.obd |
39883354 |
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