A comparative study of supported TiO2 as photocatalyst in water decontamination at solar pilot plant scale

Kus, Mahmut, Gernjak, Wolfgang, Fernadez Ibanez, Pilar, Rodriguez Malato, Sixto, Blanco Galvez, Julian and Icli, Siddik (2006) A comparative study of supported TiO2 as photocatalyst in water decontamination at solar pilot plant scale. Journal of Solar Energy Engineering, 128 3: 331-337.


Author Kus, Mahmut
Gernjak, Wolfgang
Fernadez Ibanez, Pilar
Rodriguez Malato, Sixto
Blanco Galvez, Julian
Icli, Siddik
Title A comparative study of supported TiO2 as photocatalyst in water decontamination at solar pilot plant scale
Formatted title A comparative study of supported TiO2 as photocatalyst in water decontamination at solar pilot plant scale
Journal name Journal of Solar Energy Engineering   Check publisher's open access policy
ISSN 0199-6231
1528-8986
Publication date 2006-08
Year available 2006
Sub-type Article (original research)
DOI 10.1115/1.2210494
Volume 128
Issue 3
Start page 331
End page 337
Total pages 7
Place of publication Fairfield, NJ, U.S.A.
Publisher A S M E International
Language eng
Subject 090409 Wastewater Treatment Processes
Abstract The degradation of gallic acid and imidacloprid with supported Millennium PC500 and Degussa P25 TiO2 is reported. TiO2 particles were immobilized using a titanium sol-solution and direct deposition on glass supports. The film characterization was done by x-ray diffraction, scanning electron microscopy, and atomic force microscopy, and degradation of organic compounds was monitored by high-performance liquid chromatography, total organic carbon analyzer, and ion chromatography. The experiments were performed under sunlight in compound parabolic collector plants with flat supports inside the glass tubes. Photocatalytic activity of the films was compared and identified. Although sol-gel coatings had better mechanical properties, mineralization was observed to be approximately five times slower than paste-deposited films. Photoactivity of the films decreased with silver deposition due to the nature of the organic compounds. The rate constants were calculated to be between 2×10–1 and 6×10–2 mg m2/kJ for organic compounds, and 6×10–2 and 6×10–3 for total organic carbon.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
Advanced Water Management Centre Publications
 
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