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Generation of reactive species in atmospheric pressure dielectric barrier discharge with liquid water
Zhang, Zelong1; Shen, Jie2,3; Cheng, Cheng2,3; Xu, Zimu4; Xia, Weidong1
2018-04-01
Source PublicationPLASMA SCIENCE & TECHNOLOGY
ISSN1009-0630
Volume20Issue:4Pages:6
Abstract

Atmospheric pressure helium/water dielectric barrier discharge (DBD) plasma is used to investigate the generation of reactive species in a gas-liquid interface and in a liquid. The emission intensity of the reactive species is measured by optical emission spectroscopy (OES) with different discharge powers at the gas-liquid interface. Spectrophotometry is used to analyze the reactive species induced by the plasma in the liquid. The concentration of OH radicals reaches 2.2 mu m after 3 min of discharge treatment. In addition, the concentration of primary long-lived reactive species such as H2O2, NO3- and O-3 are measured based on plasma treatment time. After 5 min of discharge treatment, the concentration of H2O2, NO3-, and O-3 increased from 0 mg . L-1 to 96 mg . L-1, 19.5 mg . L-1, and 3.5 mg . L-1, respectively. The water treated by plasma still contained a considerable concentration of reactive species after 6 h of storage. The results will contribute to optimizing the DBD plasma system for biological decontamination.

Keywordatmosphere pressure dielectric barrier discharge plasma gas-liquid discharge electrical characteristics reactive species
DOI10.1088/2058-6272/aaa437
WOS KeywordNONTHERMAL PLASMA ; COLD-PLASMA ; INACTIVATION ; AIR
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51777206] ; Science Foundation of the Institute of Plasma Physics ; Chinese Academy of Sciences[DSJJ-14-YY02] ; National Natural Science Foundation of China[11475174]
WOS Research AreaPhysics
WOS SubjectPhysics, Fluids & Plasmas
WOS IDWOS:000431031600010
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/35538
Collection中科院等离子体物理研究所
医学物理与技术中心
Corresponding AuthorShen, Jie; Xia, Weidong
Affiliation1.Univ Sci & Technol China, Dept Thermal Sci & Energy Engn, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China
3.Chinese Acad Sci, Hefei Inst Phys Sci, Ctr Med Phys & Technol, Anhui Prov Key Lab Med Phys & Technol, Hefei 230031, Anhui, Peoples R China
4.Hefei Univ Technol, Sch Resources & Environm Engn, Hefei 230009, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zelong,Shen, Jie,Cheng, Cheng,et al. Generation of reactive species in atmospheric pressure dielectric barrier discharge with liquid water[J]. PLASMA SCIENCE & TECHNOLOGY,2018,20(4):6.
APA Zhang, Zelong,Shen, Jie,Cheng, Cheng,Xu, Zimu,&Xia, Weidong.(2018).Generation of reactive species in atmospheric pressure dielectric barrier discharge with liquid water.PLASMA SCIENCE & TECHNOLOGY,20(4),6.
MLA Zhang, Zelong,et al."Generation of reactive species in atmospheric pressure dielectric barrier discharge with liquid water".PLASMA SCIENCE & TECHNOLOGY 20.4(2018):6.
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