Performance of an ozone decomposition catalyst in hybrid plasma reactors for volatile organic compound removal

Atsushi Ogata, Keiichi Saito, Hyun Ha Kim, Masami Sugasawa, Hirofumi Aritani, Hisahiro Einaga

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

In order to enhance the energy efficiency of nonthermal plasma methods for volatile organic compound decomposition in a catalyst-hybrid plasma reactor, we used a Cu-Cr catalyst to dissociate ozone into active atomic oxygen species at low temperatures. We investigated the conditions necessary to obtain the synergetic effect in single-stage and two-stage combinations. The ozone decomposition catalyst was not effective for the reaction under plasma discharge in the single-stage combination. In the two-stage combination, the efficiency increased by increasing the amount of catalyst. Although the propensity of catalysts for active oxygen species formation from ozone decomposition is important for optimizing the reaction efficiency, the surface area is even more important. We conclude that ozone decomposition catalysts are more effective in the two-stage combination compared to the single-stage.

Original languageEnglish
Pages (from-to)33-42
Number of pages10
JournalPlasma Chemistry and Plasma Processing
Volume30
Issue number1
DOIs
Publication statusPublished - Feb 1 2010

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Condensed Matter Physics
  • Surfaces, Coatings and Films

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