广东工业大学学报 ›› 2011, Vol. 28 ›› Issue (3): 15-17.

• 综合研究 • 上一篇    下一篇

气相脉冲放电水中H2O2生成影响因素研究

  

  1. 大连理工大学 1.静电与特种电源研究所,2.环境学院,3.工业生态与环境工程教育部重点实验室,辽宁 大连 116024
  • 出版日期:2010-10-06 发布日期:2010-10-06
  • 作者简介:姚丹(1986-),女,硕士研究生,主要研究方向为环境等离子体技术.
  • 基金资助:

    国家“863”计划资助项目(2009AA064101-4);辽宁省高校优秀人才计划项目(2009R09)

Factors Affecting H2O2 Formation over Gas Phase Pulsed Discharge in Water

  1. Institute of Electrostatics and Special Power, 2. School of Environmental Science and Technology, 3. Key Laboratory of Industrial Ecology and Environmental Technology of Education, Dalian University of Technology, Dalian 116024,China
  • Online:2010-10-06 Published:2010-10-06

摘要: 为了考察气相脉冲放电时水中H2O2生成规律,采用针-板式反应器,进行了实验,研究放电电压、气体流速、电极间距以及pH值对水中H2O2生成的影响.实验结果表明:提高放电电压,能够促进水中H2O2的生成;当气体流速为1.6 L/min时,水中H2O2浓度最大;减小电极间距,电场强度增大,有利于H2O2的生成;酸性条件时水中H2O2浓度较大.  

关键词: 气相脉冲放电;针-板电极;H2O2

Abstract: Low temperature plasma technology can be used to treat the refractory biodegradable organic compound. There are many strong oxidizing active species (such as H2O2, ·OH, O3) in the plasma channel when voltage discharge is high. A needleplate reactor was used to investigate the generation of H2O2 in the pulsed discharge system. The effects of different experimental conditions on H2O2 generation, such as discharge voltage, gas flow rate, electrode gap and pH value, were studied. Experimental results show that as discharge voltage increases, the concentration of H2O2 in water increases; when the gas flow rate is 1.6 L/min, the concentration of H2O2 is the highest in water. The electric intensity increases as the electrodes gap decreases, and thus the东concentration of H2O2 increases.

Key words: gas phase pulse discharge; needleplate electrode; H2O2

[1] Sun B, Sato M, Clements J S.Optical study of active species produced by a pulsed streamer corona discharge in water [J].Journal of Electrostatics, 1997, 39: 189-202.

[2] Yang B, Zhou M H, Lei L C.Synergistic effects of liquid and gas phase discharges using pulsed high voltage for dyes degradation in the presence of oxygen [J].Chemosphere, 2005, 60: 405-411.

[3] Li J, Zhou Z G, Wang H J, et al.Research on decoloration of dye wastewater by combination of pulsed discharge plasma and TiO2 nanoparticles [J].Desalination, 2007, 212: 123-128.

〖HJ2mm〗[4] Zhang Y Z, Deng S H, Sun B Y, et al.Preparation of TiO2loaded activated carbon fiber hybrids and application in a pulsed discharge reactor for decomposition of methyl orange [J].Journal of Colloid and Interface Science, 2010, 347: 260-266.

[5] Magureanu M, Piroi D, Mandache N B, et al.Degradation of pharmaceutical compound pentoxifylline in water by nonthermal plasma treatment [J].Water Research, 2010, 44: 3445-3453.

[6] Satoh K, Macgregor S J, Anderson J G, et al.PulsedPlasma disinfection of water containing Escherichia coli [J].Japanese Journal of Applied Physics, 2007, 46(3): 1137-1141.

[7] Miao H, Yun G.The sterilization of Escherichia coli by dielectricbarrier discharge plasma at atmospheric pressure [J].Applied Surface Science, 2011, 257(16): 7065-7070.

[8] 姜成春, 庞素艳, 马军,等.钛盐光度法测定Fenton氧化中的过氧化氢 [J].中国给水排水, 2006, 22(4): 88-91.

[9] 朱丽楠, 马军, 杨世东.混合气液两相放电对水中有机物降解的机理研究 [J].环境科学, 2007, 28(9): 2014-2019.〖ZK)〗

[10] 〖ZK(#〗Lukes P, Appleton A T, Locke B R.Hydrogen peroxide and ozone formation in hybrid gasliquid electrical discharge reactors [J].IEEE Transactions on Industry Applications, 2004, 40(1): 60-67.
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