پديدآورندگان :
Jafarikojour Morteza Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran , Dabir Bahram drbdabir@aut.ac.ir Faculty of Petroleum Engineering, Amirkabir University of Technology, Tehran, Iran؛ , Sohrabi Morteza Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran , Royaee Sayed Javid Petroleum Refining Technology Development Division, Research Institute of Petroleum Industry, Tehran, Iran , Mirzaei Mahboubeh Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran
كليدواژه :
Impinging Jet Stream , photocatalytic degradation , phenol , immobilized TiO2 , Response surface methodology
چكيده فارسي :
Impinging jet stream on a TiO2 coating disc is applied as a new photocatalytic reactor concept for waste water treatment. Modified sol-gel method and Spin coating technique are used for the catalyst synthesis and coating process, respectively. The characterizations of the TiO2 film were carried out by scanning electron microscope (SEM) and X-ray diffraction (XRD). The Box-Behnken design as a subset of response surface methodology (RSM) is applied to model and optimize the effects of three key operational parameters: flow rate (2000-4000 mL/min), coating disc diameter (18-22cm) and nozzle-to-disc distance (5-25 cm). The maximum predicted photocatalytic removal percent of phenol was 99.2 % at the optimum processing condition after 180 min (nozzle-to-disc distance of 16 cm, flow rate of 4000 mL/min and disc diameter of 22cm).
