Application, Experimentation, and Development Tendency of Advanced Oxidation Processes
BAI Mindi1, LENG Hong2,3, ZHANG Qiyue4, MAO Shoulei1,3, LI Chaoqun1,3
1. Environmental Engineering Institute, Dalian Maritime University, Dalian 116026, Liaoning Province, China;2. College of Enviromental and Chemical Engineering, Dalian University, Dalian 116622, Liaoning Province, China;3. Dalian Boyu Enviromental Technology Corporation, Dalian 116026, Liaoning Province, China;4. College of Ocean and Civil Engineering , Dalian Ocean University, Dalian 116023, Liaoning Province, China
Abstract：China is facing the significant pressure of environmental protection; Advanced Oxidation Technology (AOT) is an ideal green technology that could well solve the problem involving environmental pollution. AOT refers to the preparation of hydroxyl (·OH) radicals, inducing a series of reactions with ·OH radicals that attacks pollutants and microorganism, therefore AOP is able to thoroughly solve the re-pollution problem in the process of pollution treatment at the source. Since the producing ·OH radicals with a large scale is a key technology in the study of AOT, many scholars have done a series of studies on the ·OH radicals preparation. The major methods of producing ·OH radicals in water, including O3/H2O2, O3/UV, H2O2/UV, Fenton, photocatalytic oxidation, electronic radiation, and water excited, are introduced. The methods of producing ·OH radicals method by air discharge, such as pulse corona, electron beam, and strong ionization discharge are also presented. The strong ionization discharge method could solve the problem producing ·OH radicals with large scale in the water or in the gas.