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New photocatalytic reactor with TiO2 coating on sintered glass cylinders

Paper ID Volume ID Publish Year Pages File Format Full-Text
48497 46510 2007 7 PDF Available
Title
New photocatalytic reactor with TiO2 coating on sintered glass cylinders
Abstract

The antibiotic flumequine was used to evaluate the photocatalytic activity of TiO2 coating on sintered glass cylinders (SGC) tailored on a 0.5-l annular reactor. The cylinders were prepared with finely powdered silicate glass (150–600 μm) and then coated with titania Degussa P-25 by thermal treatment. The impregnated SGC were characterized by surface techniques such as EDS, SEM and XRD. The coated cylinders present homogeneous porosity, high mechanical strength, and good light transparency. The photocatalytic activity evaluated against flumequine was found to be comparable to the photocatalytic activity presented by titania in aqueous suspension. After 20 min irradiation, around 55% and 80% of 18 ppm flumequine was degraded by irradiation with black light (360 nm) or germicidal lamp (254 nm), respectively. A high reproducibility of the activity was observed when the reaction was continually repeated using the impregnated cylinders. The antibactericidal activity of irradiated solutions was evaluated in Escherichia coli cultures showing significant inhibition.

Keywords
Antibiotic; Flumequine; Immobilized TiO2; Photocatalysis; Sintered glass
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 76, Issues 1–2, 30 October 2007, Pages 57–63
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us