A feasibility study on optimization of combined advanced oxidation processes for municipal solid waste leachate treatment
[Display omitted] •Three major AOP processes were adopted for the treatment of complex MSW leachate.•CCD of RSM was employed for optimizing the operating parameters.•Photolytic ozonation performed well followed by peroxone process and ozonation.•Efficacy of the adopted approaches was analysed based...
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Veröffentlicht in: | Process safety and environmental protection 2020-11, Vol.143, p.212-221 |
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creator | Umamaheswari, J Bharathkumar, T Shanthakumar, S Gothandam, KM |
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•Three major AOP processes were adopted for the treatment of complex MSW leachate.•CCD of RSM was employed for optimizing the operating parameters.•Photolytic ozonation performed well followed by peroxone process and ozonation.•Efficacy of the adopted approaches was analysed based on kinetics and modelling.
Municipal solid waste (MSW) leachate, mostly comprised of organic and inorganic substances originated from discarded organic matters, chemicals, and liquors at MSW dumpsite. Pollutant composition and toxic compounds of leachate necessitate the effective treatment before its disposal. In the current study, advanced oxidation processes; ozonation, peroxone process and photolytic ozonation were employed for the treatment of complex MSW leachate. Central Composite Design (CCD) of Response Surface Methodology (RSM) was applied to optimize the various operating parameters in the treatment system. The optimized condition of pH: 9.0; contact time: 60 min and Ozone dose: 5 g/h for a litre of leachate provided the maximum COD and NH3–N reduction of 72 % and 80 % respectively for photolytic ozonation (under 15 W–UVC; λ:254 nm) whereas under the same operating conditions, ozonation process provided 45 % of COD removal and 50 % of NH3-N removal. Peroxone process with H2O2 concentration of 800 mg/L, showed the maximum COD and NH3-N removal efficiencies of 61 % and 59.7 % respectively. The developed models have confirmed the interaction between the selected parameters; have good agreement with each other; have the best fit. The present approach provided the knowledge to adopt an efficient way of treatment to the complex MSW leachate to proceed further for pilot-scale treatment. |
doi_str_mv | 10.1016/j.psep.2020.06.040 |
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•Three major AOP processes were adopted for the treatment of complex MSW leachate.•CCD of RSM was employed for optimizing the operating parameters.•Photolytic ozonation performed well followed by peroxone process and ozonation.•Efficacy of the adopted approaches was analysed based on kinetics and modelling.
Municipal solid waste (MSW) leachate, mostly comprised of organic and inorganic substances originated from discarded organic matters, chemicals, and liquors at MSW dumpsite. Pollutant composition and toxic compounds of leachate necessitate the effective treatment before its disposal. In the current study, advanced oxidation processes; ozonation, peroxone process and photolytic ozonation were employed for the treatment of complex MSW leachate. Central Composite Design (CCD) of Response Surface Methodology (RSM) was applied to optimize the various operating parameters in the treatment system. The optimized condition of pH: 9.0; contact time: 60 min and Ozone dose: 5 g/h for a litre of leachate provided the maximum COD and NH3–N reduction of 72 % and 80 % respectively for photolytic ozonation (under 15 W–UVC; λ:254 nm) whereas under the same operating conditions, ozonation process provided 45 % of COD removal and 50 % of NH3-N removal. Peroxone process with H2O2 concentration of 800 mg/L, showed the maximum COD and NH3-N removal efficiencies of 61 % and 59.7 % respectively. The developed models have confirmed the interaction between the selected parameters; have good agreement with each other; have the best fit. The present approach provided the knowledge to adopt an efficient way of treatment to the complex MSW leachate to proceed further for pilot-scale treatment.</description><identifier>ISSN: 0957-5820</identifier><identifier>EISSN: 1744-3598</identifier><identifier>DOI: 10.1016/j.psep.2020.06.040</identifier><language>eng</language><publisher>Rugby: Elsevier B.V</publisher><subject>Advanced oxidation process ; Ammonia ; Ammonia pressure leaching ; Chemical oxygen demand ; Dump leaching ; Feasibility studies ; Hydrogen peroxide ; Leachates ; Municipal solid waste ; Municipal solid waste leachate ; Municipal waste management ; Optimization ; Oxidation ; Ozonation ; Parameters ; Peroxone process ; Photolytic ozonation ; Pollutants ; Response surface methodology ; Solid waste management ; Waste treatment</subject><ispartof>Process safety and environmental protection, 2020-11, Vol.143, p.212-221</ispartof><rights>2020 Institution of Chemical Engineers</rights><rights>Copyright Elsevier Science Ltd. Nov 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-5d877b9134fab7ac145c5a7d0fe09f2c5b8a6ef67af64d24d60c7e5284d38a9e3</citedby><cites>FETCH-LOGICAL-c328t-5d877b9134fab7ac145c5a7d0fe09f2c5b8a6ef67af64d24d60c7e5284d38a9e3</cites><orcidid>0000-0003-0989-1594</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.psep.2020.06.040$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Umamaheswari, J</creatorcontrib><creatorcontrib>Bharathkumar, T</creatorcontrib><creatorcontrib>Shanthakumar, S</creatorcontrib><creatorcontrib>Gothandam, KM</creatorcontrib><title>A feasibility study on optimization of combined advanced oxidation processes for municipal solid waste leachate treatment</title><title>Process safety and environmental protection</title><description>[Display omitted]
•Three major AOP processes were adopted for the treatment of complex MSW leachate.•CCD of RSM was employed for optimizing the operating parameters.•Photolytic ozonation performed well followed by peroxone process and ozonation.•Efficacy of the adopted approaches was analysed based on kinetics and modelling.
Municipal solid waste (MSW) leachate, mostly comprised of organic and inorganic substances originated from discarded organic matters, chemicals, and liquors at MSW dumpsite. Pollutant composition and toxic compounds of leachate necessitate the effective treatment before its disposal. In the current study, advanced oxidation processes; ozonation, peroxone process and photolytic ozonation were employed for the treatment of complex MSW leachate. Central Composite Design (CCD) of Response Surface Methodology (RSM) was applied to optimize the various operating parameters in the treatment system. The optimized condition of pH: 9.0; contact time: 60 min and Ozone dose: 5 g/h for a litre of leachate provided the maximum COD and NH3–N reduction of 72 % and 80 % respectively for photolytic ozonation (under 15 W–UVC; λ:254 nm) whereas under the same operating conditions, ozonation process provided 45 % of COD removal and 50 % of NH3-N removal. Peroxone process with H2O2 concentration of 800 mg/L, showed the maximum COD and NH3-N removal efficiencies of 61 % and 59.7 % respectively. The developed models have confirmed the interaction between the selected parameters; have good agreement with each other; have the best fit. The present approach provided the knowledge to adopt an efficient way of treatment to the complex MSW leachate to proceed further for pilot-scale treatment.</description><subject>Advanced oxidation process</subject><subject>Ammonia</subject><subject>Ammonia pressure leaching</subject><subject>Chemical oxygen demand</subject><subject>Dump leaching</subject><subject>Feasibility studies</subject><subject>Hydrogen peroxide</subject><subject>Leachates</subject><subject>Municipal solid waste</subject><subject>Municipal solid waste leachate</subject><subject>Municipal waste management</subject><subject>Optimization</subject><subject>Oxidation</subject><subject>Ozonation</subject><subject>Parameters</subject><subject>Peroxone process</subject><subject>Photolytic ozonation</subject><subject>Pollutants</subject><subject>Response surface methodology</subject><subject>Solid waste management</subject><subject>Waste treatment</subject><issn>0957-5820</issn><issn>1744-3598</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kEFv1DAQhS0EEkvhD3CyxDmp7dixI_VSVdBWqtQLnK2JPRZeJXFqewvLryfRcuY0M5r3Zp4-Qj5z1nLG--tjuxZcW8EEa1nfMsnekAPXUjadGsxbcmCD0o0ygr0nH0o5Msa40PxAzrc0IJQ4xinWMy315M80LTStNc7xD9S4D4G6NI9xQU_Bv8Litib9jv6yXnNyWAoWGlKm82mJLq4w0ZKm6OkvKBXphOB-wtbUjFBnXOpH8i7AVPDTv3pFfnz7-v3uoXl6vn-8u31qXCdMbZQ3Wo8D72SAUYPjUjkF2rOAbAjCqdFAj6HXEHrphfQ9cxqVMNJ3BgbsrsiXy90t5ssJS7XHdMrL9tIKqY0RXEmzqcRF5XIqJWOwa44z5LPlzO6I7dHuiO2O2LLebog3083FhFv-14jZFhdxpxMzump9iv-z_wVGlYhN</recordid><startdate>202011</startdate><enddate>202011</enddate><creator>Umamaheswari, J</creator><creator>Bharathkumar, T</creator><creator>Shanthakumar, S</creator><creator>Gothandam, KM</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><orcidid>https://orcid.org/0000-0003-0989-1594</orcidid></search><sort><creationdate>202011</creationdate><title>A feasibility study on optimization of combined advanced oxidation processes for municipal solid waste leachate treatment</title><author>Umamaheswari, J ; Bharathkumar, T ; Shanthakumar, S ; Gothandam, KM</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-5d877b9134fab7ac145c5a7d0fe09f2c5b8a6ef67af64d24d60c7e5284d38a9e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Advanced oxidation process</topic><topic>Ammonia</topic><topic>Ammonia pressure leaching</topic><topic>Chemical oxygen demand</topic><topic>Dump leaching</topic><topic>Feasibility studies</topic><topic>Hydrogen peroxide</topic><topic>Leachates</topic><topic>Municipal solid waste</topic><topic>Municipal solid waste leachate</topic><topic>Municipal waste management</topic><topic>Optimization</topic><topic>Oxidation</topic><topic>Ozonation</topic><topic>Parameters</topic><topic>Peroxone process</topic><topic>Photolytic ozonation</topic><topic>Pollutants</topic><topic>Response surface methodology</topic><topic>Solid waste management</topic><topic>Waste treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Umamaheswari, J</creatorcontrib><creatorcontrib>Bharathkumar, T</creatorcontrib><creatorcontrib>Shanthakumar, S</creatorcontrib><creatorcontrib>Gothandam, KM</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>Umamaheswari, J</au><au>Bharathkumar, T</au><au>Shanthakumar, S</au><au>Gothandam, KM</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A feasibility study on optimization of combined advanced oxidation processes for municipal solid waste leachate treatment</atitle><jtitle>Process safety and environmental protection</jtitle><date>2020-11</date><risdate>2020</risdate><volume>143</volume><spage>212</spage><epage>221</epage><pages>212-221</pages><issn>0957-5820</issn><eissn>1744-3598</eissn><abstract>[Display omitted]
•Three major AOP processes were adopted for the treatment of complex MSW leachate.•CCD of RSM was employed for optimizing the operating parameters.•Photolytic ozonation performed well followed by peroxone process and ozonation.•Efficacy of the adopted approaches was analysed based on kinetics and modelling.
Municipal solid waste (MSW) leachate, mostly comprised of organic and inorganic substances originated from discarded organic matters, chemicals, and liquors at MSW dumpsite. Pollutant composition and toxic compounds of leachate necessitate the effective treatment before its disposal. In the current study, advanced oxidation processes; ozonation, peroxone process and photolytic ozonation were employed for the treatment of complex MSW leachate. Central Composite Design (CCD) of Response Surface Methodology (RSM) was applied to optimize the various operating parameters in the treatment system. The optimized condition of pH: 9.0; contact time: 60 min and Ozone dose: 5 g/h for a litre of leachate provided the maximum COD and NH3–N reduction of 72 % and 80 % respectively for photolytic ozonation (under 15 W–UVC; λ:254 nm) whereas under the same operating conditions, ozonation process provided 45 % of COD removal and 50 % of NH3-N removal. Peroxone process with H2O2 concentration of 800 mg/L, showed the maximum COD and NH3-N removal efficiencies of 61 % and 59.7 % respectively. The developed models have confirmed the interaction between the selected parameters; have good agreement with each other; have the best fit. The present approach provided the knowledge to adopt an efficient way of treatment to the complex MSW leachate to proceed further for pilot-scale treatment.</abstract><cop>Rugby</cop><pub>Elsevier B.V</pub><doi>10.1016/j.psep.2020.06.040</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0003-0989-1594</orcidid></addata></record> |
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subjects | Advanced oxidation process Ammonia Ammonia pressure leaching Chemical oxygen demand Dump leaching Feasibility studies Hydrogen peroxide Leachates Municipal solid waste Municipal solid waste leachate Municipal waste management Optimization Oxidation Ozonation Parameters Peroxone process Photolytic ozonation Pollutants Response surface methodology Solid waste management Waste treatment |
title | A feasibility study on optimization of combined advanced oxidation processes for municipal solid waste leachate treatment |
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