Discharge photoelectrocatalytic system for the degradation of aromatics

Hak Soo Kim, Eun Ah Lee, Ju Hyeon Lee, Chul Hee Han, Jin Wook Ha, Yong-Gun Shul

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We have introduced the discharge photoelectrocatalytic system, in which TiO2 thin film coating on aluminum plate is subjected simultaneously to both UV irradiation and high voltages in excess of 3000 volts. Due to high voltages O3 is generated; however, efficient removal of O3 is observed in this photoelectrocatalytic system. In terms of the removal of volatile organic compounds (VOCs), the discharge photoelectrocatalytic system has been applied to the removal of aromatic compounds such as benzene and toluene. Based on the experimental data, the rates of the removal of these compounds in this system are higher compared to either the discharge - only system (without the photocatalyst) or the photocatalyst - only system (without high voltage discharge), and the higher rates of degradation of these compounds in the photoelectrocatalytic system are attributed to the reduced rate of electron-hole recombination in TiO2.

Original languageEnglish
Pages (from-to)3-6
Number of pages4
JournalInternational Journal of Photoenergy
Volume5
Issue number1
DOIs
Publication statusPublished - 2003 Jan 1

Fingerprint

degradation
high voltages
Degradation
Photocatalysts
Electric potential
Volatile Organic Compounds
aromatic compounds
Aromatic compounds
volatile organic compounds
Toluene
Benzene
Aluminum
Volatile organic compounds
toluene
benzene
Irradiation
aluminum
coatings
Thin films
Coatings

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Atomic and Molecular Physics, and Optics
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Kim, Hak Soo ; Lee, Eun Ah ; Lee, Ju Hyeon ; Han, Chul Hee ; Ha, Jin Wook ; Shul, Yong-Gun. / Discharge photoelectrocatalytic system for the degradation of aromatics. In: International Journal of Photoenergy. 2003 ; Vol. 5, No. 1. pp. 3-6.
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Discharge photoelectrocatalytic system for the degradation of aromatics. / Kim, Hak Soo; Lee, Eun Ah; Lee, Ju Hyeon; Han, Chul Hee; Ha, Jin Wook; Shul, Yong-Gun.

In: International Journal of Photoenergy, Vol. 5, No. 1, 01.01.2003, p. 3-6.

Research output: Contribution to journalArticle

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T1 - Discharge photoelectrocatalytic system for the degradation of aromatics

AU - Kim, Hak Soo

AU - Lee, Eun Ah

AU - Lee, Ju Hyeon

AU - Han, Chul Hee

AU - Ha, Jin Wook

AU - Shul, Yong-Gun

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AB - We have introduced the discharge photoelectrocatalytic system, in which TiO2 thin film coating on aluminum plate is subjected simultaneously to both UV irradiation and high voltages in excess of 3000 volts. Due to high voltages O3 is generated; however, efficient removal of O3 is observed in this photoelectrocatalytic system. In terms of the removal of volatile organic compounds (VOCs), the discharge photoelectrocatalytic system has been applied to the removal of aromatic compounds such as benzene and toluene. Based on the experimental data, the rates of the removal of these compounds in this system are higher compared to either the discharge - only system (without the photocatalyst) or the photocatalyst - only system (without high voltage discharge), and the higher rates of degradation of these compounds in the photoelectrocatalytic system are attributed to the reduced rate of electron-hole recombination in TiO2.

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