The degradation of oxadiazon by non-thermal plasma with a dielectric barrier configuration

Ying ZHAO (赵颖); Risheng YAO (姚日升); Yuedong MENG (孟月东); Jiaxing LI (李家星); Yiman JIANG (江贻满); Longwei CHEN (陈龙威)

doi:10.1088/2058-6272/19/3/034001

Plasma Science and Technology > 2017 > 19(3): 34001-034001. > DOI: 10.1088/2058-6272/19/3/034001

Ying ZHAO (赵颖), Risheng YAO (姚日升), Yuedong MENG (孟月东), Jiaxing LI (李家星), Yiman JIANG (江贻满), Longwei CHEN (陈龙威). The degradation of oxadiazon by non-thermal plasma with a dielectric barrier configuration[J]. Plasma Science and Technology, 2017, 19(3): 34001-034001. DOI: 10.1088/2058-6272/19/3/034001

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The degradation of oxadiazon by non-thermal plasma with a dielectric barrier configuration

1 Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, People’s Republic of China 2 School of Medical Engineering, Hefei University of Technology, Hefei 230009, People’s Republic of China

Funds: This work is supported financially by the National Natural Science Foundation of China under Grant Nos. 11205201, 11575252, and 11575253.

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Received Date: July 10, 2016

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Abstract

Abstract

To explore the feasibility of a degradation approach by non-thermal plasma and the corresponding degradation pathways, studies on the oxadiazon removal in synthetic wastewater by a dielectric barrier discharge plasma reactor were investigated. The loss of the nitro group, dechlorination and ring cleavage is mainly involved in the non-thermal plasma degradation pathways of oxadiazon in a solution based on the OES and LC-MS analysis. Detection of EC25 and the production of the chlorine ion and nitrate ion further demonstrate the feasibility and validity of the approach. The conditions with a proper applied voltage, solution flow rate, oxygen flow rate, and solution pH contribute to the plasma degradation processes with a degradation ratio of over 94%.
- oxadiazon,
- wastewater degradati,
- DBD non-thermal plasma

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References (44)

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