Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 1 de 1
Filter
Add more filters










Database
Language
Publication year range
1.
J Hazard Mater ; 166(1): 284-90, 2009 Jul 15.
Article in English | MEDLINE | ID: mdl-19111394

ABSTRACT

Nitration reactions of aromatic compounds are commonly involved in different industrial processes for pharmaceutical, pesticide or military uses. For many years, most of the manufacturing sites used lagooning systems to treat their process effluents. In view of a photocatalytic degradation assay, the wastewater of a lagoon was investigated by using HPLC coupled with mass spectrometry. The wastewater was highly concentrated in RDX (hexahydro-1,3,5-trinitro-1,3,5-triazine), HMX (octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine) and two herbicides Dinoterb (2-tert-butyl-4,6-dinitrophenol) and Dinoseb (2-sec-butyl-4,6-dinitrophenol). First of all, an analytical method using solid-phase extraction (SPE) combined with HPLC ESI MS/MS was put in work for identification and titration of RDX, HMX and the two dinitrophenols in a complex natural matrix. Then, the UV/TiO2 treatment was investigated for pollutants removal. Dinitrophenolic compounds were significantly degraded after a 8-h-exposition of the wastewater/TiO2 suspension, whereas RDX and HMX were poorly affected.


Subject(s)
Aniline Compounds/radiation effects , Industrial Waste/prevention & control , Nitrobenzenes/radiation effects , Nitrophenols/radiation effects , Photolysis , Titanium/chemistry , Water Pollutants, Chemical/radiation effects , 2,4-Dinitrophenol/analogs & derivatives , 2,4-Dinitrophenol/analysis , 2,4-Dinitrophenol/radiation effects , Aniline Compounds/analysis , Azocines/analysis , Azocines/radiation effects , Catalysis , Chromatography, High Pressure Liquid , Dinitrophenols/analysis , Dinitrophenols/radiation effects , Nitrobenzenes/analysis , Nitrophenols/analysis , Solid Phase Extraction , Spectrometry, Mass, Electrospray Ionization , Triazines/analysis , Triazines/radiation effects , Ultraviolet Rays , Water Pollutants, Chemical/analysis
SELECTION OF CITATIONS
SEARCH DETAIL
...