Designing and operating a pilot plant for purification of industrial wastewater from toxic organic compounds by utilizing solar energy

Mohammad Fadhil Abid; Mohammed Ebrahim; Orroba Nafi; Luma Hussain; Neran Maneual; Abeer Sameer

Korean Journal of Chemical Engineering, Vol.31, No.7, 1194-1203, July, 2014

DOI10.1007/s11814-014-0052-0 Export Citation

Designing and operating a pilot plant for purification of industrial wastewater from toxic organic compounds by utilizing solar energy

Mohammad Fadhil Abid^†, Mohammed Ebrahim, Orroba Nafi, Luma Hussain, Neran Maneual, and Abeer Sameer

Department of Chemical Engineering, University of Technology, Baghdad, Iraq

E-mail:

The aim of the present project was to design and operate a solar reactor system and to analyze its performance for the removal of different types of toxic organic pollutants (e.g., synthetic methyl violet dye and phenol) from water with titanium dioxide as the photocatalyst. Various operating parameters were studied to investigate the behavior of the designed reactor like initial substrate concentration, loading of catalyst, pH of solution, and H2O2 concentration. The operating parameters were optimized to give higher efficiency to the reactor performance. Results showed that a photocatalysis system, operating at optimum conditions, offered within one hour of operation degradation up to 95.27% for synthetic dye, while a conversion of 99.95% was obtained in three hours. With phenol, degradation was up to 80.0% and 98.0%, respectively. The removal of TOC for the two toxic materials was also at high levels. This confirmed the feasibility of the designed solar system. The kinetics of dye degradation was first order with respect to dye concentration and could be well described by Langmuir-Hinshelwood model. A preliminary design of a solar photocatalysis system as an alternative treatment method for wastewater effluents from an Iraqi textile mill was introduced.

Keywords:Solar Photocatalysis;Dye Synthetic Wastewater;Phenol Removal;Degradation Kinetics;Solar Reactor Design

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[2] Atkinson BW, Bux F, Kasan H, Water, Air, Soil Pollution., 24(2) (1998)

[3] Chen DW, Ray AK, Appl. Catal. B: Environ., 23(2-3), 143 (1999)

[4] Chandan S, Rubina C, Thakur RS, Int. J. Energy Environ., 2(2), 337 (2011)

[5] Goslich R, Dillert R, Bahnemann D, Water Sci. Technol., 35(4), 137 (1997)

[6] Ahmed S, Rasul MG, Brown R, Hashib MA, J. Environ. Manage., 92(3), 311 (2011)

[7] Shahrezaei F, Mansouri Y, Zinatizadeh AAL, Akhbari A, Int. J. Photoenergy, 2012, 1 (2012)

[8] Robert D, Malato S, Sci. Total Environ. J., 291(1-3), 85 (2002)

[9] Hincapie M, Maldonado MI, Oller I, Gernjak W, Sanchez-Perez JA, Ballesteros MM, Malato S, Solar photocatalytic degradation and detoxification of EU priority substances, Environmental Applications of Photocatalysis, 3rd European Meeting on Solar Chemistry and Photocatalysis: Environmental Applications, Barcelona, Spain, 203-210, 30 June-2 July (2004)

[10] Garcia A, Amat AM, Arques A, Sanchis R, Gernjak W, Maldonado MI, Oller I, Malato S, Environ. Chem. Lett., 3(4), 169 (2006)

[11] Marcos L, Rosa M, Manuel IM, Sixto M, Jose AP, J. Agric. Food Chem., 57(23), 11242 (2009)

[12] Annual Report of the Iraqi Solar Energy Research Center (ISERC), (2011-2012).

[13] Aldalawi AA, Hydrodynamic characteristic effect of foam control in a three-phase bubble column, MSc Thesis, Chemical Engineering Department, University of Technology, Baghdad, Iraq (2010)

[14] Guettai N, Amar A, Desalination, 185(1-3), 427 (2005)

[15] Kojima T, Gad-Allah TA, Kato S, Satokawa S, J. Chem. Eng. Jpn., 44(9), 662 (2011)

[16] Dixit A, Mungray AK, Chakraborty M, Int. J. Chem. Eng. Appl., 1, 247 (2010)

[17] Wang Y, Hong CS, Water Res. J., 33, 2031 (1999)

[18] Akpan UG, Hameed BH, J. Hazard. Mater., 170(2-3), 520 (2009)

[19] Poulios I, Tsachpinis I, J. Chem. Technol. Biotechnol., 74(4), 349 (1999)

[20] Habibi MH, Vosooghian H, J. Photochem. Photobiol. A: Chem., 174, 45 (2005)

[21] Yang S, Chen Y, Zheng J, Cui Y, J. Environ. Sci., 19, 86 (2007)

[22] Li GY, An TC, Chen JX, Sheng GY, Fu JM, Chen FZ, Zhang SQ, Zhao HJ, J. Hazard. Mater., 138(2), 392 (2006)

[23] Parsons CA, Peterson MW, Thacker BR, Turner JA, Nozik AJ, J. Phys. Chem., 94, 3381 (1990)

[24] Kaneko M, Okura I (Eds.), Photocatalysis: Science and technology, Springer, Tokyo (2002)

[25] Julian BG, Sixto MR, Solar detoxification, United Nations Educational, Scientific and Cultural Organization (2003)

[26] Lu CS, Chen CC, Mai FD, Li HK, J. Hazard. Mater., 165(1-3), 306 (2009)

[27] Laoufi NA, Tassalit D, Bentahar F, Global NEST J., 10(3), 404 (2008)

[28] Fujishima A, Zhang X, ComptesRendusChimie, 9, 750 (2006)

[29] Lin YX, Ferronato C, Deng NS, Wu F, Chovelon JM, Appl. Catal. B: Environ., 88(1-2), 32 (2009)

[30] Turchi CS, Ollis DF, J. Catal., 122, 178 (1990)

[31] Emeline AV, Ryabchuk V, Serpone N, J. Photochem. Photobiol. A: Chemistry, 133, 89 (2000)

[32] Wang KH, Hisieh YH, Wu CH, Chang CY, Chemosphere, 40, 389 (2000)

[33] Malato S, Blanco J, Fernandez AR, Aguera AA, J. Chemosphere, 40, 403 (2000)

[34] Okamoto K, Yamamoto Y, Tanaka H, Tanaka M, Itaya A, Chem. Soc. Jpn., 58, 2015 (1985)