Effect of Surface Hydroxyl Groups of Pure TiO2 and Modified TiO2 on the Photocatalytic Oxidation of Aqueous Cyanide

Korean Journal of Chemical Engineering

Volumn 21, Issue 1, 2004, Pages 116-122

  Kim, Jae Hyun ^a   Lee, Ho In ^a  

^a Seoul National University   (South Korea)

Author keywords

Cyanide; Oxidation Pathway; Surface Hydroxyl Group; Tungstophosphoric Acid

Indexed keywords

CRYSTAL STRUCTURE; CYANIDES; NEGATIVE IONS; OXIDATION; PH EFFECTS; PHOTOCATALYSIS; REACTION KINETICS; SOL-GELS; SYNTHESIS (CHEMICAL); X RAY DIFFRACTION;

OXIDATION PATHWAY; SURFACE HYDROXYL GROUP; TUNGSTOPHOSPHORIC ACID;

TITANIUM DIOXIDE;

EID: 1942444395     PISSN: 02561115     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02705388     Document Type: Article

References (22)

1. Alicilar, A., Kömürcü, M. and Murathan, A., "Air Oxidation of Aqueous Cyanides in a Countercurrent Fixed Bed Reactor," Korean J. Chem. Eng., 19, 273 (2002).
2. Calvert, J. G. and Pitts, Jr. J. N., "Photochemistry," John Wiley & Sons, Inc., New York (1966).
3. Chiang, K., Amal, R. and Tran, T., "Photocatalytic Degradation of Cyanide Using Titanium Dioxide Modified with Copper Oxide," Adv. Environ. Res., 6, 471 (2002).
4. Choi, S., Wang, Y., Nie, Z., Liu, J. and Peden, C. H. F., "Cs-Substituted Tungstophosphoric Acid Salt Supported on Mesoporous Silica," Catal. Today, 55, 117 (2000).
5. Clesceri, L. S., Greenberg, A. E. and Eaton, A. D., "Standard Methods for the Examination of Water and Wasetwater," 20th Edition, United Book Press, Inc., Baltimore (1998).
6. Frank, S. N. and Bard, A. J., "Heterogeneous Photocatalytic Oxidation of Cyanide and Sulfite in Aqueous Solutions at Semiconductor Powders," J. Phys. Chem., 81, 1484 (1977).
7. Fujishima, A., Rao, T. N. and Tryk, D. A., 'Titanium Dioxide Photocatalysis," J. Photochem. Photobiol. C:Rev., 1, 1 (2000).
8. Futakawa, M., Takahashi, H., Inoue, G. and Fujioka, T., "Treatment of Concentrated Cyanide Wastewater," Desal., 98, 345 (1994).
9. 2 Nanocrystallite Layers," J. Photochem. Photobiol. A: Chem., 148, 387 (2002).
10. Guo, Y., Hu, C., Jiang, S., Guo, C., Yang, Y. and Wang, E., "Heterogeneous Photodegradation of Aqueous Hydroxy Butanedioic Acid by Microporous Polyoxometalates," Appl. Catal. B: Environ., 36, 9 (2002).
11. Hernández-Alonso, M. D., Coronado, J. M., Maira, A. J., Soria, J., Loddo, V. and Augugliaro, V., "Ozone Enhanced Activity of Aqueous Titanium Dioxide Suspensions for Photo-catalytic Oxidation of Free Cyanide Ions," Appl. Catal. B: Environ., 39, 257 (2002).
12. Hiskia, A., Mylonas, A. and Papaconstantinou, E., "Comparison of the Photoredox Properties of Polyoxometallates and Semiconducting Particles," Chem. Soc. Rev., 30, 62 (2001).
13. Hong, S.-S., Lee, M.-S., Kim, J.-H., Ahn, B.-H., Lim, K.-T. and Lee, G.-D., "Photocatalytic Decomposition of Bromate over Titanium Dioxides Prepared Using Sol-Gel Method," J. Ind. Eng. Chem., 8, 150 (2002).
14. 2 in the Photocatalytic Degradation of Aqueous Cyanide," Stud. Surf. Sci. Cotal., 145, 161 (2003).
15. 2," Bull Korean Chem. Soc., 22, 1371 (2001).
16. 2 Nanoparticles with Carotenoids. EPR Study," J. Phys. Chem. B, 103, 4672 (1999).
17. Kozhevnikov, I. V., "Catalysis by Heteropoly Acids and Multicomponent Polyoxometalates in Liquid-Phase Reactions," Chem. Rev., 98, 171 (1998).
18. Lee, D.-K., Kang, M.-S., Chung, I.-S., Cho, I.-C., Woo, S.-H., Kim, S.-C. and Kim, S.-W., "Photocatalytic Inactivation of Algal Growth in Eutrophic Water with Hollow Glass Beads," Korean J. Chem. Eng., 18, 889 (2001).
19. Mills, A. and Le Hunte, S., "An Overview of Semiconductor Photocatalyst," J. Photochem. Photobiol. A: Chem., 108, 1 (1997).
20. Minero, C., Mariella, G., Maurino, V. and Pelizzetti, E., "Photocatalytic Transformation of Organic Compounds in the Presence of Inorganic Anions. 1. Hydroxyl-Mediated and Direct Electron-Transfer Reactions of Phenol on a Titanium Dioxide-Fluoride System," Langmuir, 16, 2632 (2000).
21. Pirkanniemi, K. and Sillanpää, M., "Heterogeneous Water Phase Catalysis as an Environ-mental Application: a Review," Chemosphere, 48, 1047 (2002).
22. Wu, W. W., Chadik, P. A. and Schmidt, C. J., "An In Situ Synthesis of Cyanogen Chloride as a Safe and Economical Aqueous Standard," Wat. Res., 32, 2865 (1998).