Electrostatic Capture of PM2.5 Emitted from Coal-fired Power Plant by Pulsed Corona Discharge Combined with DC Agglomeration
How to improve ESP collection efficiency for PM2.5 is getting a matter of environmental concern, in this paper, a process capable of capturing PM2.5 efficiently was proposed, which utilizes a pulsed corona discharge combined with dc agglomeration, a laboratory-scale wire-plate electrode configuration was established, the particle electrostatic charging and number concentration distribution of PM2.5 have been measured by an electric low pressure impactor (elpi) at real time with the size range from 0.007 p.m to 10 μm. the particle charging and collection efficiency characteristics of PM2.5 were quantitatively investigated under different applied pulse peak voltage, the results show that for a certain given operating condition, PM2.5 collection efficiency increases with the increasing pulse peak voltage, dc voltage agglomeration is used to achieve a number reduction exceeding 90％ on the submicron fraction of particles, this research may provide a new technology for efficient removal of PM2.5 from flue gas in coal-fired power plant.
PM2.5 pulsed corona discharge DC agglomeration particle charging collection efficiency
XU Fei LUO Zhongyang WEI Bo WANG Lina GAO Xiang FANG Mengxiang CEN Kefa
State Key Laboratory of Clean Energy Utilization Institute for Thermal Power Engineering,Zhejiang University PR China
国际会议
11th International Conference on Electrostatic Precipitation(第11届国际电除尘学术会议)
杭州
英文
242-246
2008-10-15（万方平台首次上网日期，不代表论文的发表时间）