Investigation of affecting operational parameters in photocatalytic degradation of reactive red 198 with TiO2: optimization through response surface methodology

Document Type: Research Paper

Authors

1 Chemical Engineering Department, Amirkabir University of Technology

2 Amirkabir university , chemical engineering department

3 Chemical Engineering Department, payeme-noor university of Shahre-kord

Abstract

Dye-containing wastewater generated from textile industries is a major source of environmental pollution. Azo dyes, which are the largest group of coloring agents, are widely used in industries.
This research investigated the photocatalytic decolorization and degradation of an azo dye Reactive Red 198 (RR198) in aqueous solution with TiO2-P25 (Degussa) as photocatalyst in slurry form using UV light. There is a significant difference in adsorption of dye on TiO2 surface with the change in the solution pH. The effect of various parameters such as catalyst loading, pH and initial concentration of the dye on decolorization and degradation have been determined. The optimum conditions of the reactor were acquired at dye concentration = 62 ppm, pH = 3.7, catalyst concentration = 2.25 g.L-1, in which dye removal efficiency was 98%. Catalyst loading (relevant coefficient = 19.25) and pH (relevant coefficient = −2.62) were resulted respectively as the most and less effective parameters on dye removal

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Main Subjects


[1] Marimuthu, T., Rajendran, S., Manivannan, M. (2013). A review on bacterial degradation of textile dyes. Journal of chemical science, 3(3), 201-212.

[2] Molinari, R., Pirillo, F., Falco, M., Loddo, V., Palmisano, L. (2004). Photocatalytic degradation of dyes by using a membrane reactor. Chemical engineering and processing: process intensification, 43(9), 1103-1114.

[3] Robinson, T., McMullan, G., Marchant, R., Nigam, P. (2001). Remediation of dyes in textile effluent: a critical review on current treatment technologies with a proposed alternative. Bioresource technology, 77(3), 247-255.

[4] Sobana, N., Swaminathan, M. (2007). The effect of operational parameters on the photocatalytic degradation of acid red 18 by ZnO. Separation and purification technology, 56(1), 101-107.

[5] Bisschops, I., Spanjers, H. (2003). Literature review on textile wastewater characterisation. Environmental technology, 24(11), 1399-1411.

[6] Vilar, V. J., Pinho, L. X., Pintor, A. M., Boaventura, R. A. (2011). Treatment of textile wastewaters by
solar-driven advanced oxidation processes. Solar energy, 85(9), 1927-1934.

[7] Keramati, N., Nasernejad, B., Fallah, N. (2014). Photocatalytic degradation of styrene in aqueous solution: central composite design optimization. Journal of dspersion science and technology, 35(11), 1543-1550.

[8] Fallah, N., Bonakdarpour, B., Nasernejad, B., Moghadam, M. A. (2010). Long-term operation of submerged membrane bioreactor (MBR) for the treatment of synthetic wastewater containing styrene as volatile organic compound (VOC): Effect of hydraulic retention time (HRT). Journal of hazardous materials, 178(1), 718-724.

[9] Sudarjanto, G., Keller-Lehmann, B., Keller, J. (2006). Optimization of integrated chemical–biological degradation of a reactive azo dye using response surface methodology. Journal of hazardous materials, 138(1), 160-168.

[10] Sohrabi, M. R., Ghavami, M. (2008). Photocatalytic degradation of direct red 23 dye using UV/TiO2: effect of operational parameters. Journal of hazardous materials, 153(3), 1235-1239.

 [11] Konstantinou, I. K., Albanis, T. A. (2004). TiO2-assisted photocatalytic degradation of azo dyes in aqueous solution: kinetic and mechanistic investigations: a review. Applied catalysis B: environmental, 49(1), 1-14

[12] Asaithambi, P., Saravanathamizhan, R., Matheswaran, M. (2015). Comparison of treatment and energy efficiency of advanced oxidation processes for the distillery wastewater. International journal of environmental science and technology, 12(7), 2213-2220

[13] Pishkar, P., Aliabadi, M., Rezaian, S. (2014). Removal of ethylene dichloride from petro chemical wastewater using advanced oxidation processes (AOPS). Fresenius environmental bulletin, 23(7), 1479-1484.

[14] Divya, N., Bansal, A., Jana, A. K. (2013). Photocatalytic degradation of azo dye Orange II in aqueous solutions using copper-impregnated titania. International journal of environmental science and technology, 10(6), 1265-1274.

[15] Keramati, N., Nasernejad, B., Fallah, N. (2014). Synthesis of N-TiO2: stability and visible light activity for aqueous styrene degradation. Journal of dispersion science and technology, 35(10), 1476-1482.

[16] Ram, C., Pareek, R. K., Singh, V. (2012). Photocatalytic degradation of textile dye by using titanium dioxide nanocatalyst. International journal of theoretical applied sciences, 4(2), 82-88.

[17] Giri, R. R., Ozaki, H., Ota, S., Takanami, R., Taniguchi, S. (2010). Degradation of common pharmaceuticals and personal care products in mixed solutions by advanced oxidation techniques. International journal of environmental science and technology, 7(2), 251-260.

[18] Ghorbani, F., Younesi, H., Ghasempouri, S. M., Zinatizadeh, A. A., Amini, M., Daneshi, A. (2008). Application of response surface methodology for optimization of cadmium biosorption in an aqueous solution by Saccharomyces cerevisiae. Chemical engineering journal, 145(2), 267-275.

[19] Hazrati, H., Shayegan, J., Seyedi, S. M. (2015). Biodegradation kinetics and interactions of styrene and ethylbenzene as single and dual substrates for a mixed bacterial culture. Journal of environmental health science and engineering13(1), 72.

[20] Eckenfelder, W. W. (1989). Industrial water pollution control. McGraw-Hill.

[21] Cox, H. H. J., Moerman, R. E., Van Baalen, S., Van Heiningen, W. N. M., Doddema, H. J., Harder, W. (1997). Performance of a styrene‐degrading biofilter containing the yeast Exophiala jeanselmei. Biotechnology and bioengineering53(3), 259-266.

[22] Trigueros, D. E., Módenes, A. N., Kroumov, A. D., Espinoza-Quiñones, F. R. (2010). Modeling of biodegradation process of BTEX compounds: Kinetic parameters estimation by using particle swarm global optimizer. Process biochemistry, 45(8), 1355-1361.

[23] Jung, I. G., Park, C. H. (2005). Characteristics of styrene degradation by Rhodococcus pyridinovorans isolated from a biofilter. Chemosphere61(4), 451-456.

[24] Trigueros, D. E., Módenes, A. N., Kroumov, A. D., Espinoza-Quiñones, F. R. (2010). Modeling of biodegradation process of BTEX compounds: Kinetic parameters estimation by using Particle Swarm Global Optimizer. Process biochemistry, 45(8), 1355-1361.