Rapid photocatalytic degradation of nitrobenzene under the simultaneous illumination of UV and microwave radiation fields with a TiO 2 ball catalyst

Sangmin Jeong, Heon Lee, Hyunwoong Park, Ki Joon Jeon, Young Kwon Park, Sang Chul Jung

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

To use the microwave/ML/TiO 2 hybrid system as an advanced treatment of nitrobenzene (NB), a series of experiments were performed to examine the effects of microwave irradiation and auxiliary oxidants. The degradation of NB was carried out using different combinations of five-unit treatment techniques. The NB degradation rate increased with increasing microwave intensity. The circulation fluid velocity, concentration of H 2 O 2 , and the rate of O 2 gas injection showed the highest rate of degradation under optimal conditions. A significant synergistic effect was observed when H 2 O 2 addition was combined with the microwave/ML/TiO 2 hybrid process.

Original languageEnglish
Pages (from-to)65-72
Number of pages8
JournalCatalysis Today
Volume307
DOIs
StatePublished - 1 Jun 2018

Keywords

  • Mechanism
  • Microwave
  • Nitrobenzene
  • Reaction rate constant
  • TiO photocatalyst

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