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Comparison of deionized and tap water activated with an atmospheric pressure glow discharge
Liquid-cathode discharge at atmospheric pressure has been excited by a direct current voltage above the surfaces of deionized and tap water. Gap voltage decreases with increasing discharge current, which suggests that the discharges above both the liquids belong to a normal glow regime. For a given...
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Published in: | Physics of plasmas 2019-03, Vol.26 (3) |
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container_title | Physics of plasmas |
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creator | Li, Xuechen Li, Xiaoni Gao, Kun Liu, Rui Liu, Renjing Yao, Xuerui Gong, Dandan Su, Zehua Jia, Pengying |
description | Liquid-cathode discharge at atmospheric pressure has been excited by a direct current voltage above the surfaces of deionized and tap water. Gap voltage decreases with increasing discharge current, which suggests that the discharges above both the liquids belong to a normal glow regime. For a given discharge current, gap and power voltages of the discharge above deionized water are higher than those above tap water. The optical spectrum obtained from the water surface reveals that there are abundant active species related to oxygen, nitrogen, and water vapor, which leads to changes in the pH value, conductivity, and concentrations of
NO
3
−,
NO
2
−, and H2O2 in liquid. Therefore, these parameters are investigated in the two liquids as functions of discharge current and plasma activation time. For both of them, the results show that the pH value decreases, while conductivity increment and concentrations of
NO
3
−,
NO
2
−, and H2O2 increase with increasing discharge current or activation time. Compared to activated tap water, deionized water has a lower pH value, while higher conductivity increment and concentrations of
NO
3
−,
NO
2
−, and H2O2 are observed after the same activation time and discharge current. Finally, these parameters are compared for different salt types and salt concentrations after plasma activation. |
doi_str_mv | 10.1063/1.5080184 |
format | article |
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NO
3
−,
NO
2
−, and H2O2 in liquid. Therefore, these parameters are investigated in the two liquids as functions of discharge current and plasma activation time. For both of them, the results show that the pH value decreases, while conductivity increment and concentrations of
NO
3
−,
NO
2
−, and H2O2 increase with increasing discharge current or activation time. Compared to activated tap water, deionized water has a lower pH value, while higher conductivity increment and concentrations of
NO
3
−,
NO
2
−, and H2O2 are observed after the same activation time and discharge current. Finally, these parameters are compared for different salt types and salt concentrations after plasma activation.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/1.5080184</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Activation ; Atmospheric pressure ; Conductivity ; Deionization ; Direct current ; Drinking water ; Electric potential ; Glow discharges ; Hydrogen peroxide ; Liquids ; Nitrogen dioxide ; Parameters ; Plasma physics ; Water discharge ; Water vapor</subject><ispartof>Physics of plasmas, 2019-03, Vol.26 (3)</ispartof><rights>Author(s)</rights><rights>2019 Author(s). Published under license by AIP Publishing.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c327t-576e01f498239583f57e1fb23808cade29f4487e326bc4e05fa50ad0c881d7253</citedby><cites>FETCH-LOGICAL-c327t-576e01f498239583f57e1fb23808cade29f4487e326bc4e05fa50ad0c881d7253</cites><orcidid>0000-0002-9349-8375</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/pop/article-lookup/doi/10.1063/1.5080184$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>314,780,782,784,795,27924,27925,76383</link.rule.ids></links><search><creatorcontrib>Li, Xuechen</creatorcontrib><creatorcontrib>Li, Xiaoni</creatorcontrib><creatorcontrib>Gao, Kun</creatorcontrib><creatorcontrib>Liu, Rui</creatorcontrib><creatorcontrib>Liu, Renjing</creatorcontrib><creatorcontrib>Yao, Xuerui</creatorcontrib><creatorcontrib>Gong, Dandan</creatorcontrib><creatorcontrib>Su, Zehua</creatorcontrib><creatorcontrib>Jia, Pengying</creatorcontrib><title>Comparison of deionized and tap water activated with an atmospheric pressure glow discharge</title><title>Physics of plasmas</title><description>Liquid-cathode discharge at atmospheric pressure has been excited by a direct current voltage above the surfaces of deionized and tap water. Gap voltage decreases with increasing discharge current, which suggests that the discharges above both the liquids belong to a normal glow regime. For a given discharge current, gap and power voltages of the discharge above deionized water are higher than those above tap water. The optical spectrum obtained from the water surface reveals that there are abundant active species related to oxygen, nitrogen, and water vapor, which leads to changes in the pH value, conductivity, and concentrations of
NO
3
−,
NO
2
−, and H2O2 in liquid. Therefore, these parameters are investigated in the two liquids as functions of discharge current and plasma activation time. For both of them, the results show that the pH value decreases, while conductivity increment and concentrations of
NO
3
−,
NO
2
−, and H2O2 increase with increasing discharge current or activation time. Compared to activated tap water, deionized water has a lower pH value, while higher conductivity increment and concentrations of
NO
3
−,
NO
2
−, and H2O2 are observed after the same activation time and discharge current. Finally, these parameters are compared for different salt types and salt concentrations after plasma activation.</description><subject>Activation</subject><subject>Atmospheric pressure</subject><subject>Conductivity</subject><subject>Deionization</subject><subject>Direct current</subject><subject>Drinking water</subject><subject>Electric potential</subject><subject>Glow discharges</subject><subject>Hydrogen peroxide</subject><subject>Liquids</subject><subject>Nitrogen dioxide</subject><subject>Parameters</subject><subject>Plasma physics</subject><subject>Water discharge</subject><subject>Water vapor</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp90E1LAzEQBuAgCtbqwX8Q8KSwNdlNNtmjFL-g4EVB8BDSZNKmtJs1SS36693SogfB0wzMwzvwInROyYiSurqmI04koZIdoAElsilELdjhdhekqGv2eoxOUloQQljN5QC9jcOq09Gn0OLgsAUfWv8FFuvW4qw7vNEZItYm-49-s3jj87w_Yp1XIXVziN7gLkJK6wh4tgwbbH0ycx1ncIqOnF4mONvPIXq5u30ePxSTp_vH8c2kMFUpcsFFDYQ61siyarisHBdA3bSsJJFGWygbx5gUUJX11DAg3GlOtCVGSmpFyashutjldjG8ryFltQjr2PYvVUkb2kdK1vTqcqdMDClFcKqLfqXjp6JEbbtTVO276-3Vzibjs859Jz_4I8RfqDrr_sN_k78BLH99Kg</recordid><startdate>201903</startdate><enddate>201903</enddate><creator>Li, Xuechen</creator><creator>Li, Xiaoni</creator><creator>Gao, Kun</creator><creator>Liu, Rui</creator><creator>Liu, Renjing</creator><creator>Yao, Xuerui</creator><creator>Gong, Dandan</creator><creator>Su, Zehua</creator><creator>Jia, Pengying</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-9349-8375</orcidid></search><sort><creationdate>201903</creationdate><title>Comparison of deionized and tap water activated with an atmospheric pressure glow discharge</title><author>Li, Xuechen ; Li, Xiaoni ; Gao, Kun ; Liu, Rui ; Liu, Renjing ; Yao, Xuerui ; Gong, Dandan ; Su, Zehua ; Jia, Pengying</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-576e01f498239583f57e1fb23808cade29f4487e326bc4e05fa50ad0c881d7253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Activation</topic><topic>Atmospheric pressure</topic><topic>Conductivity</topic><topic>Deionization</topic><topic>Direct current</topic><topic>Drinking water</topic><topic>Electric potential</topic><topic>Glow discharges</topic><topic>Hydrogen peroxide</topic><topic>Liquids</topic><topic>Nitrogen dioxide</topic><topic>Parameters</topic><topic>Plasma physics</topic><topic>Water discharge</topic><topic>Water vapor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Xuechen</creatorcontrib><creatorcontrib>Li, Xiaoni</creatorcontrib><creatorcontrib>Gao, Kun</creatorcontrib><creatorcontrib>Liu, Rui</creatorcontrib><creatorcontrib>Liu, Renjing</creatorcontrib><creatorcontrib>Yao, Xuerui</creatorcontrib><creatorcontrib>Gong, Dandan</creatorcontrib><creatorcontrib>Su, Zehua</creatorcontrib><creatorcontrib>Jia, Pengying</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Xuechen</au><au>Li, Xiaoni</au><au>Gao, Kun</au><au>Liu, Rui</au><au>Liu, Renjing</au><au>Yao, Xuerui</au><au>Gong, Dandan</au><au>Su, Zehua</au><au>Jia, Pengying</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of deionized and tap water activated with an atmospheric pressure glow discharge</atitle><jtitle>Physics of plasmas</jtitle><date>2019-03</date><risdate>2019</risdate><volume>26</volume><issue>3</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>Liquid-cathode discharge at atmospheric pressure has been excited by a direct current voltage above the surfaces of deionized and tap water. Gap voltage decreases with increasing discharge current, which suggests that the discharges above both the liquids belong to a normal glow regime. For a given discharge current, gap and power voltages of the discharge above deionized water are higher than those above tap water. The optical spectrum obtained from the water surface reveals that there are abundant active species related to oxygen, nitrogen, and water vapor, which leads to changes in the pH value, conductivity, and concentrations of
NO
3
−,
NO
2
−, and H2O2 in liquid. Therefore, these parameters are investigated in the two liquids as functions of discharge current and plasma activation time. For both of them, the results show that the pH value decreases, while conductivity increment and concentrations of
NO
3
−,
NO
2
−, and H2O2 increase with increasing discharge current or activation time. Compared to activated tap water, deionized water has a lower pH value, while higher conductivity increment and concentrations of
NO
3
−,
NO
2
−, and H2O2 are observed after the same activation time and discharge current. Finally, these parameters are compared for different salt types and salt concentrations after plasma activation.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5080184</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-9349-8375</orcidid></addata></record> |
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source | American Institute of Physics:Jisc Collections:Transitional Journals Agreement 2021-23 (Reading list); AIP Journals (American Institute of Physics) |
subjects | Activation Atmospheric pressure Conductivity Deionization Direct current Drinking water Electric potential Glow discharges Hydrogen peroxide Liquids Nitrogen dioxide Parameters Plasma physics Water discharge Water vapor |
title | Comparison of deionized and tap water activated with an atmospheric pressure glow discharge |
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