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Microwave-assisted direct photolysis of bromophenol blue using electrodeless discharge lamps

Authors
Journal
Desalination
0011-9164
Publisher
Elsevier
Publication Date
Volume
214
Identifiers
DOI: 10.1016/j.desal.2006.09.026
Keywords
  • Microwave
  • Electrodeless Discharge Lamp
  • Photolysis
  • Bromophenol Blue

Abstract

Abstract Microwave-assisted direct photolysis (MADP) of bromophenol blue (BPB) in aqueous solutions was studied using microwave (MW) powered electrodeless discharge lamps (EDLs). BPB of initial concentration 100 mg/l was efficiently degraded in the MADP process after 10 min of irradiation by EDLs. The influence of factors as MW output power, light intensity and initial concentration of BPB on MADP degradation was investigated, respectively. Additionally, the identification of intermediates had been conducted by LC-MS and a possible reaction pathway for the degradation of BPB was proposed.

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