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Dielectric Barrier Discharge Plasma As Excellent Method for Perchloroethylene Removal From Aqueous Environments: Degradation Kinetic and Parameters Modeling Publisher



Karimaei M1 ; Nabizadeh R1 ; Shokri B3, 4 ; Khani MR3 ; Yaghmaeian K1, 2 ; Mesdaghinia A1, 2 ; Mahvi A1 ; Nazmara S1
Authors
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Authors Affiliations
  1. 1. Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Center for Water Quality Research (CWQR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Laser and Plasma Research Institute, Shahid Beheshti University, G.C. Zip Code: 19839-63113, Evin, Tehran, Iran
  4. 4. Department of Physics, Shahid Beheshti University, G.C. Zip Code: 19839-63113, Evin, Tehran, Iran

Source: Journal of Molecular Liquids Published:2017


Abstract

Former study evidences has indicated that Perchloroethylene (PCE) is the possible carcinogen to humans. Studies carried out on humans have also shown that PCE exposure may cause different types of cancer such as kidney, esophagus and cervix cancer, and also associated with non-Hodgkin lymphoma. So, in this study the effects of different variables including induced voltage, PCE concentration and contact time, have been examined for Perchloroethylene removal by non-thermal plasma. For this purpose, the Non Thermal Plasma (NTP) created via the dielectric barrier discharge (DBD) set up and oxidation process completed by generating of O•, H• and OH. Based on result at the constant input voltage of 12.03 and lower initial PCE concentrations, the maximum PCE removal efficiency occurred but generally with increasing reaction time PCE removal efficiency increased even while initial PCE concentrations reach maximum value, and increase of input voltage and reaction time, along with decreasing initial PCE concentration enhanced PCE removal. © 2017
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