Effect of solution matrix on TiO2 photocatalytic degradation of 2-chlorobiphenyl

Citation
Yb. Wang et al., Effect of solution matrix on TiO2 photocatalytic degradation of 2-chlorobiphenyl, ENV ENG SCI, 16(6), 1999, pp. 433-440
Citations number
28
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Environment/Ecology,"Environmental Engineering & Energy
Journal title
ENVIRONMENTAL ENGINEERING SCIENCE
ISSN journal
1092-8758 → ACNP
Volume
16
Issue
6
Year of publication
1999
Pages
433 - 440
Database
ISI
SICI code
1092-8758(199911/12)16:6<433:EOSMOT>2.0.ZU;2-4
Abstract
The effects of solution matrices, i.e., pH, inorganic ions, and humic acids , on the TiO2 photocatalytic degradation of 2-chlorobiphenyl (2-CB) were in vestigated, A lower solution pH was found to be favorable for the degradati on in the pH range of 3 to 11, Chloride ions showed no rate effect at pH 10 , The inhibition by chloride ions at pH 4 was more than that at pH 7, Carbo nate/bicarbonate showed an inhibition effect on the degradation at pH 10 an d pH 11, Magnesium ions inhibited the degradation under alkaline conditions , but showed no rate effect at pH 4, Humic acids were found to inhibit 2-CB degradation, The degradation rate decreased with increasing concentration of humic acid and leveled off at the concentration of 5 mu g/mL.