Removal of gaseous toluene and submicron aerosol particles using a dielectric barrier discharge reactor

Jeong Hoon Byeon, Jae Hong Park, Yoon Shin Jo, Ki Young Yoon, Jungho Hwang

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

A lab-scale dielectric barrier discharge (DBD) reactor was fabricated, and gaseous and particulate contaminant removal tests were carried out under a range of DBD reactor operating conditions: applied voltage (5.0-8.5 kV), frequency (60-1000 Hz), upstream toluene concentration (50-200 ppm) and gas flow rate (1-5 L min-1 or 0.48-0.096 s of gas residence time). The results suggested that the toluene removal efficiency (at 1 L min-1, 100 ppm) increased (up to ∼46%) either with increasing voltage (at 1000 Hz) or frequency (at 8.5 kV). The overall particle collection efficiency (at 1 L min-1) improved (up to ∼60%) with increasing voltage (at 1000 Hz) whereas the penetration of the particles increased (up to ∼40%) with increasing frequency (at 8.5 kV). The toluene removal efficiency (at 8.5 kV, 1000 Hz, 100 ppm) decreased (down to ∼29%) with increasing gas flow rate while the particle collection efficiency decreased slightly (maintaining ∼60%) regardless of the flow rate. In addition, the toluene removal efficiency (down to ∼41%) and carbon dioxide selectivity (down to ∼43%) decreased with increasing upstream toluene concentration (at 5 kV, 1000 Hz, 1 L min-1).

Original languageEnglish
Pages (from-to)417-422
Number of pages6
JournalJournal of Hazardous Materials
Volume175
Issue number1-3
DOIs
Publication statusPublished - 2010 Mar 15

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Health, Toxicology and Mutagenesis

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