Photolysis pathway of nitroaromatic compounds in aqueous solutions in the UV/H2O2 process.
Nitroaromatic compounds such as nitrobenzene and nitrophenols are largely synthesised and particularly often occur in water bodies as toxic pollutants. The degradation of these compounds in the environment via direct photolysis and by biological treatment is difficult and usually slow. In our two previous published papers, we have discussed the advanced oxidation of nitrobenzene and nitrophenols in aqueous solutions irradiated by direct photolysis using polychromatic light and by means of UV/H2O2 process. The experimental results suggested the UV/H2O2 process is an effective and efficient technology for complete mineralization of these organic compounds. Based on the results therein, comprehensive reaction mechanism for nitrobenzene photolysis was proposed with detailed discussions.
Chen
Bing
B
Division of Chemistry, Nanyang Technological University, 1 Nanyang Walk, Singapore 637616, Singapore.
Yang
Chun
C
Goh
Ngoh Khang
NK
D006841:Hydrocarbons, Aromatic / Q000737:chemistry*; D006861:Hydrogen Peroxide / Q000737:chemistry*; D015394:Molecular Structure; D009578:Nitrobenzenes / Q000737:chemistry; D017672:Nitrogen Compounds / Q000737:chemistry*; D009596:Nitrophenols / Q000737:chemistry; D010782:Photolysis; D014466:Ultraviolet Rays; D014867:Water / Q000737:chemistry*; D014874:Water Pollutants, Chemical / Q000737:chemistry*
D006841:Hydrocarbons, Aromatic; D009578:Nitrobenzenes; D017672:Nitrogen Compounds; D009596:Nitrophenols; D014874:Water Pollutants, Chemical; D014867:Water; D006861:Hydrogen Peroxide; C036077:nitrobenzene