Optimization of COD removal from leachate nanofiltration concentrate using H2O2/Fe+2/heat – Activated persulfate oxidation processes
This study aimed to remove COD from leachate nanofiltration concentrate (LNFC) by oxidation of H2O2/Fe2+/Heat - activated persulfate (PS) and optimization and modelling of its removal using a Central Composite Design (CCD) by the Response Surface Methodology (RSM). In the results of ANOVA where the...
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| Veröffentlicht in: | Process safety and environmental protection 2019-06, Vol.126, p.7-17 |
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| creator | Yazici Guvenc, Senem |
| description | This study aimed to remove COD from leachate nanofiltration concentrate (LNFC) by oxidation of H2O2/Fe2+/Heat - activated persulfate (PS) and optimization and modelling of its removal using a Central Composite Design (CCD) by the Response Surface Methodology (RSM). In the results of ANOVA where the experimental data of the study were analyzed, high correlation coefficients (R2 > 0.80) were obtained from all three processes, and it was seen that models could be explained by these data. The COD removal efficiencies under the optimum conditions for the H2O2, Fe2+ and Heat - activated PS processes were 56.9%, 76.2% and 93.5%, respectively. About 64.3%, 78% and 93.2% removal efficiency values of inert COD were obtained after the H2O2-activated PS, Fe2+-activated PS and Heat-activated PS processes, respectively. Consequently, the heat-activated PS process may be an alternative technology for COD and inert COD removal from leachate nanofiltration concentrate. |
| doi_str_mv | 10.1016/j.psep.2019.03.034 |
| format | Article |
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In the results of ANOVA where the experimental data of the study were analyzed, high correlation coefficients (R2 > 0.80) were obtained from all three processes, and it was seen that models could be explained by these data. The COD removal efficiencies under the optimum conditions for the H2O2, Fe2+ and Heat - activated PS processes were 56.9%, 76.2% and 93.5%, respectively. About 64.3%, 78% and 93.2% removal efficiency values of inert COD were obtained after the H2O2-activated PS, Fe2+-activated PS and Heat-activated PS processes, respectively. Consequently, the heat-activated PS process may be an alternative technology for COD and inert COD removal from leachate nanofiltration concentrate.</description><identifier>ISSN: 0957-5820</identifier><identifier>EISSN: 1744-3598</identifier><identifier>DOI: 10.1016/j.psep.2019.03.034</identifier><language>eng</language><publisher>Rugby: Elsevier B.V</publisher><subject>Alternative technology ; Chemical oxygen demand ; COD fractions ; Correlation analysis ; Correlation coefficients ; Filtration ; Heat ; Hydrogen peroxide ; Iron ; Leachate nanofiltration concentrate ; Leachates ; Nanofiltration ; Nanotechnology ; Optimization ; Oxidation ; Persulfate oxidation ; Response surface methodology ; Variance analysis</subject><ispartof>Process safety and environmental protection, 2019-06, Vol.126, p.7-17</ispartof><rights>2019 Institution of Chemical Engineers</rights><rights>Copyright Elsevier Science Ltd. 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In the results of ANOVA where the experimental data of the study were analyzed, high correlation coefficients (R2 > 0.80) were obtained from all three processes, and it was seen that models could be explained by these data. The COD removal efficiencies under the optimum conditions for the H2O2, Fe2+ and Heat - activated PS processes were 56.9%, 76.2% and 93.5%, respectively. About 64.3%, 78% and 93.2% removal efficiency values of inert COD were obtained after the H2O2-activated PS, Fe2+-activated PS and Heat-activated PS processes, respectively. Consequently, the heat-activated PS process may be an alternative technology for COD and inert COD removal from leachate nanofiltration concentrate.</description><subject>Alternative technology</subject><subject>Chemical oxygen demand</subject><subject>COD fractions</subject><subject>Correlation analysis</subject><subject>Correlation coefficients</subject><subject>Filtration</subject><subject>Heat</subject><subject>Hydrogen peroxide</subject><subject>Iron</subject><subject>Leachate nanofiltration concentrate</subject><subject>Leachates</subject><subject>Nanofiltration</subject><subject>Nanotechnology</subject><subject>Optimization</subject><subject>Oxidation</subject><subject>Persulfate oxidation</subject><subject>Response surface methodology</subject><subject>Variance analysis</subject><issn>0957-5820</issn><issn>1744-3598</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKAzEQhoMoWKsv4CngUXabZHezu-ClVGsFoRc9hzSd2JTtZk3Sop48-QK-oU9ilvUsDAwD3__PzI_QJSUpJZRPtmnnoUsZoXVKslj5ERrRMs-TrKirYzQidVEmRcXIKTrzfksIoaykI_S17ILZmQ8ZjG2x1Xi2vMUOdvYgG6yd3eEGpNrIALiVrdWmCW5glW0VtP0EeO9N-4IXbMkmc7hmkw3IgH8-v_FUBXOIxBp34Py-0T1t38x68OicVeA9-HN0omXj4eKvj9Hz_O5ptkgel_cPs-ljolhdhKSuGCOKQ1YqJomSOZRc5cCVVitS6kJnJP4LNVdsVUEpZS6pzlZ8BbqinLNsjK4G37j5dQ8-iK3duzauFIzlnBVVVteRYgOlnPXegRadMzvp3gUlos9bbEWft-jzFiSLlUfRzSCCeP_BgBNeGYgZrY0DFcTamv_kv3D7jJI</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Yazici Guvenc, Senem</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TB</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>SOI</scope></search><sort><creationdate>20190601</creationdate><title>Optimization of COD removal from leachate nanofiltration concentrate using H2O2/Fe+2/heat – Activated persulfate oxidation processes</title><author>Yazici Guvenc, Senem</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c295t-98220c6e37c2a0ca4e76c4e6cfcb07f5f30359e96c2b8e7aa4a1f3b6bef816623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alternative technology</topic><topic>Chemical oxygen demand</topic><topic>COD fractions</topic><topic>Correlation analysis</topic><topic>Correlation coefficients</topic><topic>Filtration</topic><topic>Heat</topic><topic>Hydrogen peroxide</topic><topic>Iron</topic><topic>Leachate nanofiltration concentrate</topic><topic>Leachates</topic><topic>Nanofiltration</topic><topic>Nanotechnology</topic><topic>Optimization</topic><topic>Oxidation</topic><topic>Persulfate oxidation</topic><topic>Response surface methodology</topic><topic>Variance analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yazici Guvenc, Senem</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Process safety and environmental protection</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yazici Guvenc, Senem</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimization of COD removal from leachate nanofiltration concentrate using H2O2/Fe+2/heat – Activated persulfate oxidation processes</atitle><jtitle>Process safety and environmental protection</jtitle><date>2019-06-01</date><risdate>2019</risdate><volume>126</volume><spage>7</spage><epage>17</epage><pages>7-17</pages><issn>0957-5820</issn><eissn>1744-3598</eissn><abstract>This study aimed to remove COD from leachate nanofiltration concentrate (LNFC) by oxidation of H2O2/Fe2+/Heat - activated persulfate (PS) and optimization and modelling of its removal using a Central Composite Design (CCD) by the Response Surface Methodology (RSM). 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| fulltext | fulltext |
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| ispartof | Process safety and environmental protection, 2019-06, Vol.126, p.7-17 |
| issn | 0957-5820 1744-3598 |
| language | eng |
| recordid | cdi_proquest_journals_2246258399 |
| source | Elsevier ScienceDirect Journals Complete |
| subjects | Alternative technology Chemical oxygen demand COD fractions Correlation analysis Correlation coefficients Filtration Heat Hydrogen peroxide Iron Leachate nanofiltration concentrate Leachates Nanofiltration Nanotechnology Optimization Oxidation Persulfate oxidation Response surface methodology Variance analysis |
| title | Optimization of COD removal from leachate nanofiltration concentrate using H2O2/Fe+2/heat – Activated persulfate oxidation processes |
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