Photocatalytic discoloration of aqueous phenol red solutions using TiO2 nanocatalyst
Paper Details
Photocatalytic discoloration of aqueous phenol red solutions using TiO2 nanocatalyst
Abstract
In this paper, photocatalytic degradation of Phenol Red (PR) was evaluated in a slurry batch reactor using nano TiO2 (Degussa P-25) as a catalyst.The effect of the variation of different parameters, such as catalyst loading, initial PR concentration, inorganic salts and type of light sources on the rate of photocatalytic degradation was also studied, and the optimum conditions for the maximum degradation rate were determined. The photocatalytic degradation process was well described by pseudo-first order reaction.The optimum TiO2 loading, which provides enough surface area for reaction without irradiation loss due to scattering of UV light, was found to be 0.5 g/L, and PR concentration was 50ppm. Furthermore, the effects of inorganic salts were investigated. Result showed that photocatalytic degradation rate was affected significantly in the presence of nitrate and chloride.
Bizani E, Fytianos K, Poulios I, Tsiridis V. 2006. Photocatalyticdecolorization and degradation of dye solutionsand wastewaters in the presence of titanium dioxide. Journal of Hazardous Materials 136, 85-94.
Calza P, Pelizzetti E. 2001. Photocatalytic transformation oforganic compounds in the presence of inorganic ions. Pure and Applied Chemistry 73, 1839-1848.
Chen CC, Lu CS, Chung YC, Jan JL. 2007. UV light induced photodegradation of malachite green on TiO2 nanaoparticles. Journal of Hazardous Materials 141, 520-528.
Chen JQ, Wang D, Zhu MX, Gao CJ. 2007. Photocatalytic degradation of dimethoate using nanosized TiO2 powder, Desalination 207, 87-94.
Colon G, Hidalgo MC, Navio JA, PulidoMelian E, Gonzalez DO., Dona JM. 2008. Influenceof amine template on thephotoactivity of TiO2 nanoparticlesobtained by hydrothermal treatment. Applied Catalysis B: Environmental 78, 176-182.
Farzadnia M, sagharigar T, Aliabadi M, Asri M. 2014. Study on the photocatalytic degradation of styrene using TiO2 nanocatalyst. Journal of Biodiversity and Environmental Sciences 4, 404-409.
Forgacs E, Cserhati T, Oros G. 2004. Removal of syntheticdyes from wastewaters: a review. Environment International 30, 953-971.
HajdSalah N, Bouhelassa M, Bekkouch S, Boultif A. 2004. Study of photocatalytic degradation of phenol. Desalination 166, 347-354.
Kuo WS, HO PH. 2001. Solar photocatalytic decolorization of methylene blue in water. Chemosphere 45, 77-83.
Lachheb H, Puzenate, Houas A, Ksibi M, Elaloui E, Guilland CH, Herrmann JM. 2002. Photocatalytic degradation of various types of dyes (AlizarinS, Crocein Orange G, Methyl Red, Congo Red, Methylene Blue) in water by UV-irradiated titania. Applied Catalysis B: Environmental 39, 75-90.
Lakshmi S, Renganathan R, Fujita S.1995. Study onTiO2-mediated photocatalytic degradation of methylene blue. Journal of Photochemistry and Photobiology A: Chemistry 88, 163-167.
Mitsuhashi J, Mitomi H, Koizumi W, Kikuchi S, Okayasu I, Saigenji K. 2003. Spraying of phenol red dye as a screening test forHelicobacter pylori infection in surgically resected stomach specimens. Journal of Gastroenterology 38, 1049-1052.
Qamar M, Muneer M, Bahnemann D. 2006. Heterogeneous photocatalysed degradation of two selected pesticide derivatives, triclopyr and daminozid in aqueous suspensions of titanium dioxide. Journal of Environmental Management 80, 99-106.
Savitri L, Dipti V, Rakshit A, Pinki BP. 2008. Photocatalytic degradation of Phenol Red using complexes of some transition metals and hydrogen peroxide. Journal of the Serbian Chemical Society 73 (6), 631-639.
Senthilkumaar S, Porkodi K, GomathiR, MaheswariGeetha A, Manonmani N. 2006. Sol-gelderived silver doped nanocrystalline titania catalysed photodegradation of methylene blue from aqueous solution. Dyes and Pigments 69, 22-30.
Tan TK, Khiew PS, Chiu WS, Radiman S, Abd-Shukor R, Huang NM, Lim HN. 2011. Photodegradation of Phenol Red in the Presence of ZnO Nanoparticles. World Academy of Science, Engineering & Technology 55, 676-681.
Tang WZ, An H. 1995.UV/TiO2photocatalytic oxidation ofcommercial dyes in aqueous solutions. Chemosphere 31, 4157-4170.
Wang Y, Zhang J, Jin Z, WU Z, Zhang S. 2007.Visiblelight photocatalyticdecoloration of methylene blue onnovel N-doped TiO2. Chinese Science Bulletin 52(15), 2157-2160.
Wong ST, Hwang CC, Mou CY. 2006.Tungstated zirconia catalyzed bromination of phenol red under nearly neutral solution, Applied Catalysis B: Environmental 63, 1-8.
Wong ST, Hwang CC, Mou CY. 2006. Tungstated zirconia catalyzed bromination of phenol red under nearly neutral solution, Applied Catalysis B: Environmental 63, 1-8.
Wu CH. 2008. Effects of operational parameters on the decolorizationof C. J. Reactive Red 198 in UV/TiO2-based system. Dyes and Pigments 77, 31-38.
Toktam Sagharigar, Behrouz Baniasadi, Mohammad Ebadi, Majid Asri, Majid Aliabadi (2014), Photocatalytic discoloration of aqueous phenol red solutions using TiO2 nanocatalyst; JBES, V5, N1, July, P336-342
https://innspub.net/photocatalytic-discoloration-of-aqueous-phenol-red-solutions-using-tio2-nanocatalyst/
Copyright © 2014
By Authors and International
Network for Natural Sciences
(INNSPUB) https://innspub.net
This article is published under the terms of the
Creative Commons Attribution License 4.0