Associate Professor Bita Ayati
Environmental Engineering Division, Civil and Environmental Engineering Faculty, Tarbiat Modares University (TMU), Tehran, Iran
Title: APPLICATION OF A MODIFIED PHOTO-ELECTRO-FENTON PROCESS IN A NOVEL ELECTRODE BAFFLED REACTOR FOR THE REMOVAL OF AB25
Abstract:
In this study, a new baffle-electrode reactor was applied. Graphite plates were used as the anodic baffle-electrode, and aluminum foams were used as the cathodic baffle-electrode. Fe3O4/CNT and TiO2/CNT nanocomposites were synthesized. The TiO2/CNT nanocomposite, acting as a catalyst, was coated onto the aluminum foam to evaluate the performance of the prepared nanocomposites in a nanocomposite-modified photo-electro-Fenton process for removing Acid Blue 25 dye (AB25). After 150 minutes, a dye removal efficiency of 95.51% was achieved under optimal conditions: initial dye concentration of 100 ppm, catalyst concentration of 0.35 g/L, electrolyte concentration of 0.05 M, pH of 5, applied voltage of 7 V, and flow rate of 18 L/h. From LC-MS analysis, no mass peak reportedly associated with AB25 was seen indicating that all the parent materials had been transformed into products of lower m/z ratios heralding their complete decomposition.
Biography:
Dr. Bita Ayati is the Associate Professor in Environmental Engineering Division of the Civil and Environmental Engineering Faculty at TMU, Tehran, Iran. She received her Ph.D. in Environmental Engineering from TMU in 2005, M.Sc. in Environmental Engineering in 1998 and B.Sc. in Chemical Engineering in 1996, both from Sharif University of Technology in Tehran, Iran.
Dr. Ayati’s recent research interests include hard-biodegradable industrial and hazardous wastewater treatment especially using new methods including nano technology and advanced biological systems. She supervised 5 Ph.D. and more than 40 M.Sc. students. She is the author of the book entitled: Application of Moving Bed Biofilm Reactor (MBBR) in Sanitary Industrial Wastewater Treatment. She has published over 190 papers in national and international journals and conference proceedings. She has obtained 15 scientific award including Young Scientist Awards from Man and Biosphere (MAB), UNESCO in 2002.