화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.19, No.5, 1525-1534, September, 2013
DOI10.1016/j.jiec.2013.01.019  Export Citation
Residence time distribution analysis and optimization of photocatalysis of phenazopyridine using immobilized TiO2 nanoparticles in a rectangular photoreactor
M. Fathinia, and A.R. Khataee†
  • Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
E-mail:
Optimization of photocatalytic degradation of phenazopyridine (PhP) under UV light irradiation using immobilized TiO2 nanoparticles was studied. The effect of operational parameters was investigated using response surface methodology (RSM). Maximum removal efficiency was achieved at the optimum conditions: initial drug concentration of 10 mg/L, UV light intensity of 47 W/m2, flow rate of 200 mL/min, and reaction time of 150 min. The residence time distribution (RTD) analysis was studied to find the effect of flow rate on the drug removal efficiency. The tracer (PhP) pulse injection response was studied with UV-vis measurements and was used to prepare RTD curves.
Keywords:TiO2 nanoparticles;Photocatalyst;Pharmaceutical wastewater;Response surface methodology;Flow pattern
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