Destruction of PCDD/Fs by gliding arc discharges.
PCDD/Fs have been become a serious issue because of their toxicological effects and associated adverse health implications. In this study, the gliding arc plasma was tested for treatment of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs), which was synthesized from pentachlorophenol in atmospheric condition at 350 degrees C with or without the catalysis of CuCl2. From the experiment, we found that the destruction efficiency of PCDD/F homologues after gliding was discharge ranged from 25% to 79%. This result demonstrates that gliding arc plasma is an effective technology to decompose PCDDs/Fs in flue gas. A plausible degradation mechanism for PCDD/Fs by gliding arc was discussed. Finally, a multistage reactor structure of gliding arc was proposed to upgrade removal efficiency for PCDD/Fs.
Yan
Jian-hua
JH
State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University, Hangzhou 310027, China. yanjh@cmee.zju.edu.cn
Peng
Zheng
Z
Lu
Sheng-yong
SY
Du
Chang-ming
CM
Li
Xiao-dong
XD
Chen
Tong
T
Ni
Ming-jiang
MJ
Cen
Ke-fa
KF
D001572:Benzofurans / Q000737:chemistry* / Q000633:toxicity; D000072338:Dibenzofurans, Polychlorinated; D005740:Gases; D017745:Incineration / Q000379:methods*; D007477:Ions; D000072317:Polychlorinated Dibenzodioxins / Q000031:analogs & derivatives* / Q000737:chemistry / Q000633:toxicity; D012037:Refuse Disposal / Q000379:methods; D013696:Temperature
D001572:Benzofurans; D000072338:Dibenzofurans, Polychlorinated; D005740:Gases; D007477:Ions; D000072317:Polychlorinated Dibenzodioxins