NDLI: Aromatic photonitration in homogeneous and heterogeneous aqueous systems

Content Provider	Springer Nature Link
Author	Vione, Davide Mauri, Valter Minero, Claudio Vincenti, Marco Pelizzetti, Ezio
Copyright Year	2003
Abstract	This work describes the nitration of aromatics upon near-UV photolysis of nitrate and nitrite in aqueous solution and upon photocatalytic oxidation of nitrite in TiO$_{2}$ suspensions. Phenol is used in this work as a model aromatic molecule and as a probe for •NO$_{2}$/N$_{2}$O$_{4}$. The photoinduced nitration of phenol in aqueous systems occurs upon the reaction between phenol and •NO$_{2}$ or N$_{2}$O$_{4}$, and is enhanced by the photocatalytic oxidation of nitrite to •NO$_{2}$ by TiO$_{2}$. Aromatic photonitration in the liquid phase can play a relevant role in the formation of nitroaromatics in natural waters and atmospheric hydrometeors, thus being a potential pathway for the condensed-phase nitration of aromatics. Furthermore, the photoinduced oxidation of nitrite to nitrogen dioxide suggests a completely new role for nitrite in natural waters and atmospheric aerosols.
Starting Page	321
Ending Page	324
Page Count	4
File Format	PDF
ISSN	09441344
Journal	Environmental Science and Pollution Research
Volume Number	10
Issue Number	5
e-ISSN	16147499
Language	English
Publisher	Ecomed
Publisher Date	2003-01-01
Publisher Place	Landsberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aqueous systems aromatic nitration atmospheric aerosols natural waters nitrate nitrite photocatalysis TiO$_{2}$ Environment Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Industrial Pollution Prevention
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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