Degradation of high-concentration simulated organic wastewater by DBD plasma
In this study, a high-concentration simulated organic wastewater, made by dissolving methyl violet in water, was degraded using dielectric barrier discharge (DBD) plasma generated in air and O respectively. The decoloration rate and chemical oxygen demand (COD) of wastewater were evaluated during pl...
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| Veröffentlicht in: | Water science and technology 2019-10, Vol.80 (8), p.1413-1420 |
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| creator | Wang, Xing-Quan Li, Xing Zhou, Ren-Wu Huang, Jun Chen, Wei Wang, Feng-Peng Lu, Xiu-Yuan Wen, Qian |
| description | In this study, a high-concentration simulated organic wastewater, made by dissolving methyl violet in water, was degraded using dielectric barrier discharge (DBD) plasma generated in air and O
respectively. The decoloration rate and chemical oxygen demand (COD) of wastewater were evaluated during plasma treatments with the initial concentration of methyl violet of 300 mg L
. Results showed that the highest decoloration rate of around 100% within 10 min and the highest COD decrease of 33% within 60 min could be achieved with the O
plasma treatment at the discharge voltage of 10 kV, while air plasma treatment showed lower efficiency in decolorizing the methyl violet solution and lower COD decrease (24%) after 60 min treatment. UV-Vis spectroscopy and chemical analysis of generated by-products during the plasma-enabled degradation process revealed that the methyl violet molecules could be completely decomposed into some refractory organics in the solution. Based on the experimental results and literature review, a pathway of methyl violet degradation attributed to energetic electrons and highly reactive species generated by DBD was proposed. |
| doi_str_mv | 10.2166/wst.2019.389 |
| format | Article |
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respectively. The decoloration rate and chemical oxygen demand (COD) of wastewater were evaluated during plasma treatments with the initial concentration of methyl violet of 300 mg L
. Results showed that the highest decoloration rate of around 100% within 10 min and the highest COD decrease of 33% within 60 min could be achieved with the O
plasma treatment at the discharge voltage of 10 kV, while air plasma treatment showed lower efficiency in decolorizing the methyl violet solution and lower COD decrease (24%) after 60 min treatment. UV-Vis spectroscopy and chemical analysis of generated by-products during the plasma-enabled degradation process revealed that the methyl violet molecules could be completely decomposed into some refractory organics in the solution. Based on the experimental results and literature review, a pathway of methyl violet degradation attributed to energetic electrons and highly reactive species generated by DBD was proposed.</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2019.389</identifier><identifier>PMID: 31961804</identifier><language>eng</language><publisher>England: IWA Publishing</publisher><subject>Air plasma ; Analytical methods ; Biological Oxygen Demand Analysis ; By-products ; Chemical analysis ; Chemical oxygen demand ; Color removal ; Decoloring ; Degradation ; Dielectric barrier discharge ; Drinking water ; Efficiency ; Electrodes ; Gases ; Gentian Violet ; Literature reviews ; Organic chemistry ; Organic wastes ; Pharmaceutical industry ; Phenols ; Plasma ; Pollutants ; Power supply ; Spectroscopy ; Ultraviolet spectroscopy ; Waste Water ; Wastewater ; Water Pollutants, Chemical ; Water Purification ; Water treatment</subject><ispartof>Water science and technology, 2019-10, Vol.80 (8), p.1413-1420</ispartof><rights>Copyright IWA Publishing Oct 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-b4da86e5a4d4e8bfe8172f2d3c2da7601d9c0aaa076433af23431da92afa36973</citedby><cites>FETCH-LOGICAL-c319t-b4da86e5a4d4e8bfe8172f2d3c2da7601d9c0aaa076433af23431da92afa36973</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31961804$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wang, Xing-Quan</creatorcontrib><creatorcontrib>Li, Xing</creatorcontrib><creatorcontrib>Zhou, Ren-Wu</creatorcontrib><creatorcontrib>Huang, Jun</creatorcontrib><creatorcontrib>Chen, Wei</creatorcontrib><creatorcontrib>Wang, Feng-Peng</creatorcontrib><creatorcontrib>Lu, Xiu-Yuan</creatorcontrib><creatorcontrib>Wen, Qian</creatorcontrib><title>Degradation of high-concentration simulated organic wastewater by DBD plasma</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>In this study, a high-concentration simulated organic wastewater, made by dissolving methyl violet in water, was degraded using dielectric barrier discharge (DBD) plasma generated in air and O
respectively. The decoloration rate and chemical oxygen demand (COD) of wastewater were evaluated during plasma treatments with the initial concentration of methyl violet of 300 mg L
. Results showed that the highest decoloration rate of around 100% within 10 min and the highest COD decrease of 33% within 60 min could be achieved with the O
plasma treatment at the discharge voltage of 10 kV, while air plasma treatment showed lower efficiency in decolorizing the methyl violet solution and lower COD decrease (24%) after 60 min treatment. UV-Vis spectroscopy and chemical analysis of generated by-products during the plasma-enabled degradation process revealed that the methyl violet molecules could be completely decomposed into some refractory organics in the solution. Based on the experimental results and literature review, a pathway of methyl violet degradation attributed to energetic electrons and highly reactive species generated by DBD was proposed.</description><subject>Air plasma</subject><subject>Analytical methods</subject><subject>Biological Oxygen Demand Analysis</subject><subject>By-products</subject><subject>Chemical analysis</subject><subject>Chemical oxygen demand</subject><subject>Color removal</subject><subject>Decoloring</subject><subject>Degradation</subject><subject>Dielectric barrier discharge</subject><subject>Drinking water</subject><subject>Efficiency</subject><subject>Electrodes</subject><subject>Gases</subject><subject>Gentian Violet</subject><subject>Literature reviews</subject><subject>Organic chemistry</subject><subject>Organic wastes</subject><subject>Pharmaceutical industry</subject><subject>Phenols</subject><subject>Plasma</subject><subject>Pollutants</subject><subject>Power supply</subject><subject>Spectroscopy</subject><subject>Ultraviolet spectroscopy</subject><subject>Waste Water</subject><subject>Wastewater</subject><subject>Water Pollutants, Chemical</subject><subject>Water Purification</subject><subject>Water 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high-concentration simulated organic wastewater by DBD plasma</title><author>Wang, Xing-Quan ; Li, Xing ; Zhou, Ren-Wu ; Huang, Jun ; Chen, Wei ; Wang, Feng-Peng ; Lu, Xiu-Yuan ; Wen, Qian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-b4da86e5a4d4e8bfe8172f2d3c2da7601d9c0aaa076433af23431da92afa36973</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Air plasma</topic><topic>Analytical methods</topic><topic>Biological Oxygen Demand Analysis</topic><topic>By-products</topic><topic>Chemical analysis</topic><topic>Chemical oxygen demand</topic><topic>Color removal</topic><topic>Decoloring</topic><topic>Degradation</topic><topic>Dielectric barrier discharge</topic><topic>Drinking water</topic><topic>Efficiency</topic><topic>Electrodes</topic><topic>Gases</topic><topic>Gentian Violet</topic><topic>Literature reviews</topic><topic>Organic chemistry</topic><topic>Organic wastes</topic><topic>Pharmaceutical industry</topic><topic>Phenols</topic><topic>Plasma</topic><topic>Pollutants</topic><topic>Power supply</topic><topic>Spectroscopy</topic><topic>Ultraviolet spectroscopy</topic><topic>Waste Water</topic><topic>Wastewater</topic><topic>Water Pollutants, Chemical</topic><topic>Water Purification</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Xing-Quan</creatorcontrib><creatorcontrib>Li, Xing</creatorcontrib><creatorcontrib>Zhou, Ren-Wu</creatorcontrib><creatorcontrib>Huang, Jun</creatorcontrib><creatorcontrib>Chen, Wei</creatorcontrib><creatorcontrib>Wang, Feng-Peng</creatorcontrib><creatorcontrib>Lu, Xiu-Yuan</creatorcontrib><creatorcontrib>Wen, Qian</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE 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Qian</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Degradation of high-concentration simulated organic wastewater by DBD plasma</atitle><jtitle>Water science and technology</jtitle><addtitle>Water Sci Technol</addtitle><date>2019-10-15</date><risdate>2019</risdate><volume>80</volume><issue>8</issue><spage>1413</spage><epage>1420</epage><pages>1413-1420</pages><issn>0273-1223</issn><eissn>1996-9732</eissn><abstract>In this study, a high-concentration simulated organic wastewater, made by dissolving methyl violet in water, was degraded using dielectric barrier discharge (DBD) plasma generated in air and O
respectively. The decoloration rate and chemical oxygen demand (COD) of wastewater were evaluated during plasma treatments with the initial concentration of methyl violet of 300 mg L
. Results showed that the highest decoloration rate of around 100% within 10 min and the highest COD decrease of 33% within 60 min could be achieved with the O
plasma treatment at the discharge voltage of 10 kV, while air plasma treatment showed lower efficiency in decolorizing the methyl violet solution and lower COD decrease (24%) after 60 min treatment. UV-Vis spectroscopy and chemical analysis of generated by-products during the plasma-enabled degradation process revealed that the methyl violet molecules could be completely decomposed into some refractory organics in the solution. Based on the experimental results and literature review, a pathway of methyl violet degradation attributed to energetic electrons and highly reactive species generated by DBD was proposed.</abstract><cop>England</cop><pub>IWA Publishing</pub><pmid>31961804</pmid><doi>10.2166/wst.2019.389</doi><tpages>8</tpages></addata></record> |
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| ispartof | Water science and technology, 2019-10, Vol.80 (8), p.1413-1420 |
| issn | 0273-1223 1996-9732 |
| language | eng |
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| subjects | Air plasma Analytical methods Biological Oxygen Demand Analysis By-products Chemical analysis Chemical oxygen demand Color removal Decoloring Degradation Dielectric barrier discharge Drinking water Efficiency Electrodes Gases Gentian Violet Literature reviews Organic chemistry Organic wastes Pharmaceutical industry Phenols Plasma Pollutants Power supply Spectroscopy Ultraviolet spectroscopy Waste Water Wastewater Water Pollutants, Chemical Water Purification Water treatment |
| title | Degradation of high-concentration simulated organic wastewater by DBD plasma |
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