Phenol photonitration upon UV irradiation of nitrite in aqueous solution I: Effects of oxygen and 2-propanol

Authors
Vione, D Maurino, V Minero, C Pelizzetti, E
Citation
D. Vione et al., Phenol photonitration upon UV irradiation of nitrite in aqueous solution I: Effects of oxygen and 2-propanol, CHEMOSPHERE, 45(6-7), 2001, pp. 893-902
Citations number
26
Categorie Soggetti
Environment/Ecology
Journal title
CHEMOSPHERE
ISSN journal
00456535 → ACNP
Volume
45
Issue
6-7
Year of publication
2001
Pages
893 - 902
Database
ISI
SICI code
0045-6535(200111)45:6-7<893:PPUUIO>2.0.ZU;2-W
Abstract
Nitrophenols are formed in aqueous solution upon UV irradiation of phenol a nd nitrite. The formation of nitrophenols is enhanced by dissolved oxygen a nd inhibited by the addition of 2-propanol. The mechanism of phenol photoni tration involves both NO2 (or N2O4), reacting with phenol, and 4-nitrosophe nol, which is oxidised to 4-nitrophenol. A reaction scheme is proposed base d on experimental results. (C) 2001 Elsevier Science Ltd. All rights reserv ed.