Degradation of per- and polyfluoroalkyl substances in landfill leachate by a thin-water-film nonthermal plasma reactor
[Display omitted] Per- and polyfluoroalkyl substances (PFAS) are present in landfill leachate, posing potential challenges to leachate disposal and treatment. This work represents the first study of a thin-water-film nonthermal plasma reactor for PFAS degradation in landfill leachate. Of the 30 PFAS...
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| Veröffentlicht in: | Waste management (Elmsford) 2023-04, Vol.161, p.104-115 |
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| creator | Eeso, Karam Gallan, Rachel Goukeh, Mojtaba Nouri Tate, Kerry Raja, Radha Krishna Bulusu Popovic, Zeljka Abichou, Tarek Chen, Huan Locke, Bruce R. Tang, Youneng |
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Per- and polyfluoroalkyl substances (PFAS) are present in landfill leachate, posing potential challenges to leachate disposal and treatment. This work represents the first study of a thin-water-film nonthermal plasma reactor for PFAS degradation in landfill leachate. Of the 30 PFAS measured in three raw leachates, 21 were above the detection limits. The removal percentage depended on the category of PFAS. For example, perfluorooctanoic acid PFOA (C8) had the highest removal percentage (77% as an average of the three leachates) of the perfluoroalkyl carboxylic acids (PFCAs) category. The removal percentage decreased when the carbon number increased from 8 to 11 and decreased from 8 to 4. The effects of various landfill leachate components, including sodium chloride, acetate, humic acids, pH, and surfactants, had no or minor impacts ( |
| doi_str_mv | 10.1016/j.wasman.2023.02.030 |
| format | Article |
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Per- and polyfluoroalkyl substances (PFAS) are present in landfill leachate, posing potential challenges to leachate disposal and treatment. This work represents the first study of a thin-water-film nonthermal plasma reactor for PFAS degradation in landfill leachate. Of the 30 PFAS measured in three raw leachates, 21 were above the detection limits. The removal percentage depended on the category of PFAS. For example, perfluorooctanoic acid PFOA (C8) had the highest removal percentage (77% as an average of the three leachates) of the perfluoroalkyl carboxylic acids (PFCAs) category. The removal percentage decreased when the carbon number increased from 8 to 11 and decreased from 8 to 4. The effects of various landfill leachate components, including sodium chloride, acetate, humic acids, pH, and surfactants, had no or minor impacts (<30%) on PFOA mineralization in synthetic samples. This might be explained by the plasma-generation and PFAS-degradation mainly occurring at the gas/liquid interface. Shorter-chain PFCAs were produced as intermediates of PFOA degradation, and shorter-chain PFCAs and perfluorosulfonic acids (PFSAs) were produced as intermediates of perfluorooctanesulfonic acid (PFOS). The concentrations of the intermediates decreased with decreasing carbon number, suggesting a stepwise removal of difluoromethylene (CF2) in the degradation pathway. Potential PFAS species in the raw and treated leachates were identified at the molecular level through non-targeted Fourier-transform ion cyclotron resonance mass spectrometry (FT-ICR MS). The intermediates did not show accurate toxicity per Microtox bioassay.</description><identifier>ISSN: 0956-053X</identifier><identifier>EISSN: 1879-2456</identifier><identifier>DOI: 10.1016/j.wasman.2023.02.030</identifier><identifier>PMID: 36878039</identifier><language>eng</language><publisher>United States: Elsevier Ltd</publisher><subject>Acute toxicity ; Carboxylic Acids - analysis ; Degradation intermediates ; Fluorocarbons - analysis ; Humic Substances - analysis ; Landfill leachate ; Per- and polyfluoroalkyl substances (PFAS) ; Thin-water-film nonthermal plasma reactor ; Water ; Water Pollutants, Chemical - analysis</subject><ispartof>Waste management (Elmsford), 2023-04, Vol.161, p.104-115</ispartof><rights>2023 Elsevier Ltd</rights><rights>Copyright © 2023 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c362t-5935ab1b1ae70203125bef0131e4b409d70ecefce6aceb89eb8064ff993e99713</citedby><cites>FETCH-LOGICAL-c362t-5935ab1b1ae70203125bef0131e4b409d70ecefce6aceb89eb8064ff993e99713</cites><orcidid>0000-0003-2411-6238 ; 0000-0002-6032-6569 ; 0000-0001-9592-1803 ; 0000-0001-8494-2908</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.wasman.2023.02.030$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36878039$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Eeso, Karam</creatorcontrib><creatorcontrib>Gallan, Rachel</creatorcontrib><creatorcontrib>Goukeh, Mojtaba Nouri</creatorcontrib><creatorcontrib>Tate, Kerry</creatorcontrib><creatorcontrib>Raja, Radha Krishna Bulusu</creatorcontrib><creatorcontrib>Popovic, Zeljka</creatorcontrib><creatorcontrib>Abichou, Tarek</creatorcontrib><creatorcontrib>Chen, Huan</creatorcontrib><creatorcontrib>Locke, Bruce R.</creatorcontrib><creatorcontrib>Tang, Youneng</creatorcontrib><title>Degradation of per- and polyfluoroalkyl substances in landfill leachate by a thin-water-film nonthermal plasma reactor</title><title>Waste management (Elmsford)</title><addtitle>Waste Manag</addtitle><description>[Display omitted]
Per- and polyfluoroalkyl substances (PFAS) are present in landfill leachate, posing potential challenges to leachate disposal and treatment. This work represents the first study of a thin-water-film nonthermal plasma reactor for PFAS degradation in landfill leachate. Of the 30 PFAS measured in three raw leachates, 21 were above the detection limits. The removal percentage depended on the category of PFAS. For example, perfluorooctanoic acid PFOA (C8) had the highest removal percentage (77% as an average of the three leachates) of the perfluoroalkyl carboxylic acids (PFCAs) category. The removal percentage decreased when the carbon number increased from 8 to 11 and decreased from 8 to 4. The effects of various landfill leachate components, including sodium chloride, acetate, humic acids, pH, and surfactants, had no or minor impacts (<30%) on PFOA mineralization in synthetic samples. This might be explained by the plasma-generation and PFAS-degradation mainly occurring at the gas/liquid interface. Shorter-chain PFCAs were produced as intermediates of PFOA degradation, and shorter-chain PFCAs and perfluorosulfonic acids (PFSAs) were produced as intermediates of perfluorooctanesulfonic acid (PFOS). The concentrations of the intermediates decreased with decreasing carbon number, suggesting a stepwise removal of difluoromethylene (CF2) in the degradation pathway. Potential PFAS species in the raw and treated leachates were identified at the molecular level through non-targeted Fourier-transform ion cyclotron resonance mass spectrometry (FT-ICR MS). The intermediates did not show accurate toxicity per Microtox bioassay.</description><subject>Acute toxicity</subject><subject>Carboxylic Acids - analysis</subject><subject>Degradation intermediates</subject><subject>Fluorocarbons - analysis</subject><subject>Humic Substances - analysis</subject><subject>Landfill leachate</subject><subject>Per- and polyfluoroalkyl substances (PFAS)</subject><subject>Thin-water-film nonthermal plasma reactor</subject><subject>Water</subject><subject>Water Pollutants, Chemical - analysis</subject><issn>0956-053X</issn><issn>1879-2456</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1v1DAQQK0K1C6Ff4CQj1wSxnbixBckVGhBqsQFJG6W40xYL04cbKfV_nu82sKRw2g08psPP0JeM6gZMPnuUD-aNJul5sBFDbwGARdkx_pOVbxp5TOyA9XKClrx44q8SOkAwJqewSW5ErLvehBqRx4-4s9oRpNdWGiY6IqxomYZ6Rr8cfJbiMH4X0dP0zakbBaLibqF-oJMznvq0di9yUiHIzU0791SPZYyVuV1pktY8h7jbDxd_elaGgufQ3xJnk_GJ3z1lK_J99tP324-V_df777cfLivrJA8V60SrRnYwAx2wEEw3g44ARMMm6EBNXaAFieL0lgcelUCZDNNSglUqmPimrw9z11j-L1hynp2yaIv92PYkuZd34heciUL2pxRG0NKESe9RjebeNQM9Mm4PuizcX0yroHrYry0vXnasA0zjv-a_iouwPszgOWfDw6jTtZhETm6iDbrMbj_b_gD3dyWZg</recordid><startdate>20230415</startdate><enddate>20230415</enddate><creator>Eeso, Karam</creator><creator>Gallan, Rachel</creator><creator>Goukeh, Mojtaba Nouri</creator><creator>Tate, Kerry</creator><creator>Raja, Radha Krishna Bulusu</creator><creator>Popovic, Zeljka</creator><creator>Abichou, Tarek</creator><creator>Chen, Huan</creator><creator>Locke, Bruce R.</creator><creator>Tang, Youneng</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-2411-6238</orcidid><orcidid>https://orcid.org/0000-0002-6032-6569</orcidid><orcidid>https://orcid.org/0000-0001-9592-1803</orcidid><orcidid>https://orcid.org/0000-0001-8494-2908</orcidid></search><sort><creationdate>20230415</creationdate><title>Degradation of per- and polyfluoroalkyl substances in landfill leachate by a thin-water-film nonthermal plasma reactor</title><author>Eeso, Karam ; Gallan, Rachel ; Goukeh, Mojtaba Nouri ; Tate, Kerry ; Raja, Radha Krishna Bulusu ; Popovic, Zeljka ; Abichou, Tarek ; Chen, Huan ; Locke, Bruce R. ; Tang, Youneng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-5935ab1b1ae70203125bef0131e4b409d70ecefce6aceb89eb8064ff993e99713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Acute toxicity</topic><topic>Carboxylic Acids - analysis</topic><topic>Degradation intermediates</topic><topic>Fluorocarbons - analysis</topic><topic>Humic Substances - analysis</topic><topic>Landfill leachate</topic><topic>Per- and polyfluoroalkyl substances (PFAS)</topic><topic>Thin-water-film nonthermal plasma reactor</topic><topic>Water</topic><topic>Water Pollutants, Chemical - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Eeso, Karam</creatorcontrib><creatorcontrib>Gallan, Rachel</creatorcontrib><creatorcontrib>Goukeh, Mojtaba Nouri</creatorcontrib><creatorcontrib>Tate, Kerry</creatorcontrib><creatorcontrib>Raja, Radha Krishna Bulusu</creatorcontrib><creatorcontrib>Popovic, Zeljka</creatorcontrib><creatorcontrib>Abichou, Tarek</creatorcontrib><creatorcontrib>Chen, Huan</creatorcontrib><creatorcontrib>Locke, Bruce R.</creatorcontrib><creatorcontrib>Tang, Youneng</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Waste management (Elmsford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Eeso, Karam</au><au>Gallan, Rachel</au><au>Goukeh, Mojtaba Nouri</au><au>Tate, Kerry</au><au>Raja, Radha Krishna Bulusu</au><au>Popovic, Zeljka</au><au>Abichou, Tarek</au><au>Chen, Huan</au><au>Locke, Bruce R.</au><au>Tang, Youneng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Degradation of per- and polyfluoroalkyl substances in landfill leachate by a thin-water-film nonthermal plasma reactor</atitle><jtitle>Waste management (Elmsford)</jtitle><addtitle>Waste Manag</addtitle><date>2023-04-15</date><risdate>2023</risdate><volume>161</volume><spage>104</spage><epage>115</epage><pages>104-115</pages><issn>0956-053X</issn><eissn>1879-2456</eissn><abstract>[Display omitted]
Per- and polyfluoroalkyl substances (PFAS) are present in landfill leachate, posing potential challenges to leachate disposal and treatment. This work represents the first study of a thin-water-film nonthermal plasma reactor for PFAS degradation in landfill leachate. Of the 30 PFAS measured in three raw leachates, 21 were above the detection limits. The removal percentage depended on the category of PFAS. For example, perfluorooctanoic acid PFOA (C8) had the highest removal percentage (77% as an average of the three leachates) of the perfluoroalkyl carboxylic acids (PFCAs) category. The removal percentage decreased when the carbon number increased from 8 to 11 and decreased from 8 to 4. The effects of various landfill leachate components, including sodium chloride, acetate, humic acids, pH, and surfactants, had no or minor impacts (<30%) on PFOA mineralization in synthetic samples. This might be explained by the plasma-generation and PFAS-degradation mainly occurring at the gas/liquid interface. Shorter-chain PFCAs were produced as intermediates of PFOA degradation, and shorter-chain PFCAs and perfluorosulfonic acids (PFSAs) were produced as intermediates of perfluorooctanesulfonic acid (PFOS). The concentrations of the intermediates decreased with decreasing carbon number, suggesting a stepwise removal of difluoromethylene (CF2) in the degradation pathway. Potential PFAS species in the raw and treated leachates were identified at the molecular level through non-targeted Fourier-transform ion cyclotron resonance mass spectrometry (FT-ICR MS). The intermediates did not show accurate toxicity per Microtox bioassay.</abstract><cop>United States</cop><pub>Elsevier Ltd</pub><pmid>36878039</pmid><doi>10.1016/j.wasman.2023.02.030</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-2411-6238</orcidid><orcidid>https://orcid.org/0000-0002-6032-6569</orcidid><orcidid>https://orcid.org/0000-0001-9592-1803</orcidid><orcidid>https://orcid.org/0000-0001-8494-2908</orcidid></addata></record> |
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| subjects | Acute toxicity Carboxylic Acids - analysis Degradation intermediates Fluorocarbons - analysis Humic Substances - analysis Landfill leachate Per- and polyfluoroalkyl substances (PFAS) Thin-water-film nonthermal plasma reactor Water Water Pollutants, Chemical - analysis |
| title | Degradation of per- and polyfluoroalkyl substances in landfill leachate by a thin-water-film nonthermal plasma reactor |
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