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International Journal of Photoenergy
Volume 2008, Article ID 512170, 6 pages
Research Article

Photocatalytic Degradation of Chlorobenzene by in High-Temperature and High-Pressure Water

Department of Applied Chemistry, Graduate School of Engineering, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi-ku, Osaka 558-8585, Japan

Received 28 August 2007; Accepted 7 December 2007

Academic Editor: M. Sabry Abdel-Mottaleb

Copyright © 2008 N. Kometani et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. V. A. Myamlin and Y. V. Plesov, Electrochemistry of Semiconductors, Plenum Press, New York, NY, USA, 1967.
  2. A. Fujishima and K. Honda, “Electrochemical photolysis of water at a semiconductor electrode,” Nature, vol. 238, pp. 37–38, 1972. View at Publisher · View at Google Scholar
  3. Y. V. Pleskov, Semiconductor Photoelectrochemistry, Consultants Bureau, Moscow, Russia, 1986.
  4. M. R. Hoffmann, S. T. Martin, W. Y. Choi, and D. W. Bahnemann, “Environmental applications of semiconductor photocatalysis,” Chemical Reviews, vol. 95, no. 1, pp. 69–96, 1996. View at Publisher · View at Google Scholar
  5. N. Serpone and E. Pelizzetti, Photocatalyst: Fundamentals and Applications, John Willey & Sons, New York, NY, USA, 1989.
  6. S. Horikoshi and H. Hidaka, “Non-degradable triazine substrates of atrazine and cyanuric acid hydrothermally and in supercritical water under the UV-illuminated photocatalytic cooperation,” Chemosphere, vol. 51, no. 2, pp. 139–142, 2003. View at Publisher · View at Google Scholar
  7. P. E. Savage, “Organic chemical reactions in supercritical water,” Chemical Reviews, vol. 99, no. 2, pp. 603–622, 1999. View at Publisher · View at Google Scholar
  8. J. Yu and P. E. Savage, “Kinetics of catalytic supercritical water oxidation of phenol over TiO2,” Environmental Science & Technology, vol. 34, no. 15, pp. 3191–3198, 2000. View at Publisher · View at Google Scholar
  9. R. W. Matthews, “Carbon dioxide formation from organic solutes in aqueous suspensions of ultraviolet-irradiate TiO2. Effect of solute concentration,” Australian Journal of Chemistry, vol. 40, no. 4, pp. 667–675, 1987. View at Google Scholar
  10. C. Stavarache, B. Yim, M. Vinatoru, and Y. Maeda, “Sonolysis of chlorobenzene in Fenton-type aqueous systems,” Ultrasonics Sonochemistry, vol. 9, no. 6, pp. 291–296, 2002. View at Publisher · View at Google Scholar
  11. B. Ohtani, Scientific Methods in Photocatalysis, Tokyo Tosho, Tokyo, Japan, 2005.
  12. F. Amita, K. Okada, H. Oka, and O. Kajimoto, “A high-temperature high-pressure optical cell for general-purpose spectrometers designed for supercritical water experiments,” Review of Scientific Instruments, vol. 72, no. 9, pp. 3605–3609, 2001. View at Publisher · View at Google Scholar
  13. J. Yu and P. E. Savage, “Catalyst activity, stability, and transformations during oxidation in supercritical water,” Applied Catalysis B: Environmental, vol. 31, no. 2, pp. 123–132, 2001. View at Publisher · View at Google Scholar
  14. J. R. Portela, E. Nebot, and E. M. de la Ossa, “Kinetic comparison between subcritical and supercritical water oxidation of phenol,” Chemical Engineering Journal, vol. 81, no. 1–3, pp. 287–299, 2001. View at Publisher · View at Google Scholar
  15. D. S. Bhatkhande, S. B. Sawant, J. C. Schouten, and V. G. Pangarkar, “Photocatalytic degradation of chlorobenzene using solar and artificial UV radiation,” Journal of Chemical Technology & Biotechnology, vol. 79, no. 4, pp. 354–360, 2004. View at Publisher · View at Google Scholar
  16. N. Kometani, S. Inata, K. Sugimoto, A. Shimokawa, and Y. Yonezawa, “Photocatalytic actions of TiO2 in high-temperature and high-pressure water,” in Proceeding of Joint Meeting of 8th International Symposium on Hydrothermal Reactions & the 7th International Conference on Solvothermal Reactions (ISHR&ICSTR '06), p. 169, Sendai, Japan, August 2006.
  17. Y. Yonezawa, N. Kometani, T. Sakaue, and A. Yano, “Photoreduction of silver ions in a colloidal titanium dioxide suspension,” Journal of Photochemistry and Photobiology A: Chemistry, vol. 171, no. 1, pp. 1–8, 2005. View at Publisher · View at Google Scholar
  18. N. Kometani, K. Sugimoto, A. Fujita, and Y. Yonezawa, “Photocatalytic activity of TiO2 nanoparticles in hydrothermal and supercritical water,” Journal of Chemical Engineering of Japan, vol. 40, no. 6, pp. 463–467, 2007. View at Publisher · View at Google Scholar
  19. H. Gerischer, “Semiconductor electrochemistry,” in Physical Chemistry, An Advanced Treatise, H. Eyring, D. Henderson, and W. Jost, Eds., vol. 9A, pp. 463–542, Academic Press, New York, NY, USA, 1970. View at Google Scholar
  20. W. L. Marshall and E. U. Franck, “Ion product of water substance, 0–1000C,1–10,000 bars new international formulation and its background,” Journal of Physical and Chemical Reference Data, vol. 10, no. 2, pp. 295–304, 1981. View at Google Scholar
  21. T. Adschiri et al., Handbook of Hydrothermal Science, Gihoudo Shuppan, Tokyo, Japan, 1997.
  22. Y. Yonezawa, R. Hanawa, and H. Hada, “Application of a membrane cell to the study of photoelectrochemical processes at a TiO2 solution interface,” Journal of Imaging Science, vol. 29, no. 5, pp. 171–174, 1985. View at Google Scholar
  23. A. C. McDonald, F. R. F. Fan, and A. J. Bard, “Electrochemistry in near-critical and supercritical fluids. 2. Water. Experimental techniques and the copper(II) system,” Journal of Physical Chemistry, vol. 90, no. 1, pp. 196–202, 1986. View at Publisher · View at Google Scholar
  24. J. L. DiNaro, J. B. Howard, W. H. Green, J. W. Tester, and J. W. Bozzelli, “Elementary reaction mechanism for benzene oxidation in supercritical water,” Journal of Physical Chemistry A, vol. 104, no. 45, pp. 10576–10586, 2000. View at Publisher · View at Google Scholar
  25. X. Li, C. Chen, and J. Zhao, “Mechanism of photodecomposition of H2O2 on TiO2 surfaces under visible light irradiation,” Langmuir, vol. 17, no. 13, pp. 4118–4122, 2001. View at Publisher · View at Google Scholar
  26. T. Hirakawa and Y. Nosaka, “Properties of O2 and OH formed in TiO2 aqueous suspensions by photocatalytic reaction and the influence of H2O2 and some ions,” Langmuir, vol. 18, no. 8, pp. 3247–3254, 2002. View at Publisher · View at Google Scholar