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介质特性对DBD降解苯的影响 被引量:8

Effect of dielectric characteristics on decomposition of benzene by dielectric barrier discharge plasma
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摘要 为了提高介质阻挡放电(d ielectric barrier d ischarge,DBD)等离子体的处理效率,研究了内外介质组成分别为:(1)石英+石英;(2)陶瓷+石英;(3)陶瓷+陶瓷这3种情况下苯的降解情况。试验结果表明,在处理低浓度含苯废气时,陶瓷+陶瓷效果最好;陶瓷(内管)+石英(外管)在处理高浓度含苯废气时显示出优势。通过对气相产物和固相结焦产物的分析验证了DBD能有效降解苯,降解产物不会带来新的污染。进一步分析了实验条件和介质材料的变化对DBD降解苯的影响机理。 In order to enhance the DBD plasma's decomposition efficiency, we studied the discharge characteristics of two typical dielectric materials quartz glass and porcelain with combination of (1) quartz glass( inner tube ) + quartz glass ( exterior tube) ; ( 2 ) porcelain ( inner tube) + quartz glass ( exterior tube) ; ( 3 ) porcelain (inner tube) + porcelain(exterior tube) . "Porcelain + porcelain" showed the best function on decomposing benzene with low concentration while"porcelain (inner tube) + quartz glass (exterior tube)" was the most effective combination on treating high concentration benzene. We proved the decomposition of benzene won't cause new pollution to the environment by analyzing the gas-phased outcome and polymerized substances, then further studied the mechanism of dielectric materials'influences on the DBD plasma's decomposition of benzene.
出处 《环境污染治理技术与设备》 CSCD 北大核心 2006年第7期67-72,共6页 Techniques and Equipment for Environmental Pollution Control
关键词 介质阻挡放电(DBD) 等离子体 介质特性 DBD plasma dielectric characteristics benzene
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  • 1J. Reece Roth and Z. Y Chen (Plasma Sciences Laboratory, Department of Electrical and Computer Engineering, University of Tennessee, Knoxville, TN 37996-2100, USA) Peter P.- Y Tsai (Textiles and Nonwovens Development Center (TANDEC), University of Tenness.TREATMENT OF METALS, POLYMER FILMS, AND FABRICS WITHA ONE ATMOSPHERE UNIFORM GLOW DISCHARGE PLASMA(OAUGDP) FOR INCREASED SURFACE ENERGY AND DIRECTIONAL ETCHING[J].Acta Metallurgica Sinica(English Letters),2001,14(6):391-407. 被引量:18
  • 2徐学基 诸定昌.气体放电物理[M].上海:复旦大学出版社,1995..
  • 3侯健.非平衡态等离子体常压处理大气污染研究[M].上海:复旦大学,1998..
  • 4[11]P.P.-Y. Tsai, L.C. Wadsworth and J.R. Roth, Textile Research Journal 67(5) (1997) 359.
  • 5[12]J.R. Roth, Z. Chen, D.M. Sherman and F. Karakaya, Proc. International Nonwovens Technical Con ference (INTC) (Dallas, TX, September 26-28, 2000).
  • 6[13]J.R. Roth, Z. Chen, D.M. Sherman and F. Karakaya, Proc. 10th Annual International TANDEC Nonwovens Conference (November 7-10, 2000, Knoxville, TN).
  • 7[14]J.R. Roth, Z. Chen and P.P.-Y. Tsai, Proceedings of the 28th IEEE International Conference on Plasma Science (Las Vegas, NV, June 17-22, 2001).
  • 8[15]R. Ben Gadri, J.R. Roth, T.C. Montie, K. Kelly-Wintenberg, P.P.-Y. Tsai, D.J. Helfritch, P. Feldmau.D.M. Sherman, F. Karakaya and Z. Chen, Surface and Coatings Technology 131 (2000) 528.
  • 9[16]J.R. Roth, F. Karakaya, Z. Chen, P.P.-Y. Tsai, K. Kelly-Wintenberg, S. South. D.M. Sherman and T.C. Montie, Proc. of the Combined 42nd Annual Meeting of the APS Division of Plasma Physics and the l0th International Congress on Plasma Physics (October 23-27, 2000, Quebec City, Canada).
  • 10[17]J.R. Roth, U.S. Patent No. 5,669,583, Issued Sept. 23, 1997.

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