Application of laser radiation for the treatment of waste materials using a photocatalyst

Soo Keun Lee, Daniel McStay, Peter K.J. Robertson

Research output: Contribution to journalConference articlepeer-review

Abstract

One effective approach is to destroy industrial waste and pollution is the use of a semiconductor photocatalysis system. To date such, photocatalysis systems have employed conventional linear light sources. Initial results from a study of a photocatalysis system incorporating a tripled Nd:YAG laser are reported. The laser light not only played a roll as a light source for activating the photocatalyst(TiO2), but also destroyed the organic species directly via a photochemical process. The reaction intermediates and changes in their concentrations are monitored using HPLC. The relationship between the power of laser and kinetics of photoreaction are discussed.

Original languageEnglish
Pages (from-to)120-125
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3272
DOIs
StatePublished - 1998
EventLaser Techniques for Surface Science III - San Jose, CA, United States
Duration: 29 Jan 199831 Jan 1998

Keywords

  • HPLC
  • Photocatalysis
  • TiO
  • Tripled Nd:YAG laser

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