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《Environmental Science & Technology》 2017-01
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An Overview of Electrostatic Dust Removal Technology for Highway Tunnel Air Purification

LU Na;SUN Danfeng;LUO Pengzhen;WANG Bing;DENG Changning;WU Yan;Dalian University of Technology, Electrostatic and Special Power Polytechnic Institute;Transportation Research Institute of Liaoning Province;  
This paper presented an overview of technology to upgrade the conventional dilution ventilation for highway tunnel air pollutant removing,surveying the literatures regarding the recent advances,at home and abroad,in air pollution control technology used for highway tunnel,particularly electrostatic dust removing technology,i.e.electrostatic precipitator(ESP) that can remove dust up to 90%.The operation principles of ESP and various methods for removing tunnel pollutants PM,CO and NO_x were expounded,and in addition,different installation and arrangement modes of ESP in the tunnel were described.Furthermore,this paper proposed a comprehensive plan for highway tunnel air pollution control by using ESP combined with the other air purification devices,which underlined the role of ESP in removing PM,while gaseous air pollutants such as CO,NO_x were better removed by adsorption measures with relative devices,thus the removal efficiency will be greatly improved.Finally,trends in the technical development for highway tunnel air pollution control were prospected.
【Fund】: 辽宁省自然科学基金(2015020610);; 国家自然科学基金(U1462105)
【CateGory Index】: X734;X51
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