Gas-phase removal of H2S and NH3 with dielectric barrier discharges

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题名:	Gas-phase removal of H2S and NH3 with dielectric barrier discharges
作者:	Chang,MB;Tseng,TD
贡献者:	環境工程研究所
关键词:	COMBINED PLASMA PHOTOLYSIS;CONTROL TECHNOLOGY;OXYGEN;SO2;AIR;STREAMS
日期:	1996
上传时间:	2010-06-29 18:22:02 (UTC+8)
出版者:	中央大學
摘要:	Hydrogen sulfide and ammonia are two inorganic compounds that may cause severe odor problems. In this study, the effectiveness of applying dielectric barrier discharges (DBDs) to destroy and remove these two odor-causing compounds from gas streams via the generation of gas-phase radicals and high-energy electrons is experimentally evaluated with a bench-scale apparatus. Experimental results indicate that the removal efficiencies of both H2S and NH3 With DBD plasmas depend on the gas composition, gas residence time, and applied voltage. Electronegative gases, such as O-2 and H2O(g), tend to increase the electron attachment and therefore decrease removal efficiencies. Simultaneous removal of H2S and NH3 from gas streams is accomplished with DBD technology. Results of this study indicate DBD is an effective technology for controlling inorganic odor-causing compounds.
關聯:	JOURNAL OF ENVIRONMENTAL ENGINEERING-ASCE
显示于类别:	[環境工程研究所 ] 期刊論文

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