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

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

doi:10.1117/12.307121

30 April 1998 Application of laser radiation for the treatment of waste materials using a photocatalyst

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

Proceedings Volume 3272, Laser Techniques for Surface Science III; (1998) https://doi.org/10.1117/12.307121
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

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 alight 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.

Citation Download Citation

Soo Keun Lee, Daniel McStay, and Peter K. J. Robertson "Application of laser radiation for the treatment of waste materials using a photocatalyst", Proc. SPIE 3272, Laser Techniques for Surface Science III, (30 April 1998); https://doi.org/10.1117/12.307121

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