Enhanced treatment of landfill leachate wastewater using sono(US)-ozone(O3)–electrocoagulation(EC) process: role of process parameters on color, COD and electrical energy consumption
[Display omitted] •Combination of US, O3 and EC process for removal of color, COD with electrical energy consumption from landfill leachate was developed.•US/O3/EC was highly successful in removal of color and COD than other hybrid and single processes such as O3/EC, US/EC, US/O3 and EC, O3, US.•Max...
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| Veröffentlicht in: | Process safety and environmental protection 2020-10, Vol.142, p.212-218 |
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| creator | Asaithambi, Perumal Govindarajan, Rajendran Busier Yesuf, Mamuye Selvakumar, P. Alemayehu, Esayas |
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•Combination of US, O3 and EC process for removal of color, COD with electrical energy consumption from landfill leachate was developed.•US/O3/EC was highly successful in removal of color and COD than other hybrid and single processes such as O3/EC, US/EC, US/O3 and EC, O3, US.•Maximum color and COD removal efficiencies were obtained using US/O3/EC with required electrical energy consumption.•Operating parameters have been studied to obtain the hybrid process performance efficiency.
The combination of advanced oxidation processes (AOPs) and electrochemical process is gaining growing popularity for use in wastewater treatment. The present work explores for the first time, treatment of leachate wastewater from landfill waste using a combination of sonication (US), ozonation (O3) and electrocoagulation (EC) process expressed by % color removal, % Chemical Oxygen Demand (COD) removal and its associated electrical energy consumption. The results revealed that, the combined process (US/O3/EC) is highly successful in the treatment of leachate wastewater from landfill in terms of % color removal (100 %) and % COD removal (97.50 %) with low electrical energy consumption (8kWhr/m3) than the other hybrid and single process such as O3/EC, US/EC, US/O3 and EC, O3, US. The influence of different process parameters such as electrolyte concentration (1.50–7.50 g/L), current density (1.25–7.50 A/dm2), initial effluent pH (2–11), COD concentration (2000–6000 ppm), O3 production (0.75–3.75 g/hr) and sonication power (20–100 Watts) were studied on the efficiency of pollutant removal evaluated by reduction of % color and % COD and electrical energy consumption using hybrid US/O3/EC process. Overall, the analysis clearly showed that the approaches to integrated treatment technologies could synergistically remove the pollutant from the wastewater. |
| doi_str_mv | 10.1016/j.psep.2020.06.024 |
| format | Article |
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•Combination of US, O3 and EC process for removal of color, COD with electrical energy consumption from landfill leachate was developed.•US/O3/EC was highly successful in removal of color and COD than other hybrid and single processes such as O3/EC, US/EC, US/O3 and EC, O3, US.•Maximum color and COD removal efficiencies were obtained using US/O3/EC with required electrical energy consumption.•Operating parameters have been studied to obtain the hybrid process performance efficiency.
The combination of advanced oxidation processes (AOPs) and electrochemical process is gaining growing popularity for use in wastewater treatment. The present work explores for the first time, treatment of leachate wastewater from landfill waste using a combination of sonication (US), ozonation (O3) and electrocoagulation (EC) process expressed by % color removal, % Chemical Oxygen Demand (COD) removal and its associated electrical energy consumption. The results revealed that, the combined process (US/O3/EC) is highly successful in the treatment of leachate wastewater from landfill in terms of % color removal (100 %) and % COD removal (97.50 %) with low electrical energy consumption (8kWhr/m3) than the other hybrid and single process such as O3/EC, US/EC, US/O3 and EC, O3, US. The influence of different process parameters such as electrolyte concentration (1.50–7.50 g/L), current density (1.25–7.50 A/dm2), initial effluent pH (2–11), COD concentration (2000–6000 ppm), O3 production (0.75–3.75 g/hr) and sonication power (20–100 Watts) were studied on the efficiency of pollutant removal evaluated by reduction of % color and % COD and electrical energy consumption using hybrid US/O3/EC process. Overall, the analysis clearly showed that the approaches to integrated treatment technologies could synergistically remove the pollutant from the wastewater.</description><identifier>ISSN: 0957-5820</identifier><identifier>EISSN: 1744-3598</identifier><identifier>DOI: 10.1016/j.psep.2020.06.024</identifier><language>eng</language><publisher>Rugby: Elsevier B.V</publisher><subject>Chemical oxygen demand ; Color ; color and % COD removal ; Color removal ; Electrical energy consumption ; Electrochemistry ; Electrocoagulation ; Energy consumption ; Landfill ; Landfill leachate ; Landfills ; Leachates ; O3/US/ECprocess ; Oxidation ; Ozonation ; Pollutant removal ; Pollutants ; Process parameters ; Sonication ; Waste disposal sites ; Waste treatment ; Wastewater pollution ; Wastewater treatment ; Water pollution treatment</subject><ispartof>Process safety and environmental protection, 2020-10, Vol.142, p.212-218</ispartof><rights>2020 Institution of Chemical Engineers</rights><rights>Copyright Elsevier Science Ltd. Oct 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-cb67327a0cfb32893d14ca1b53ab734913542eea1798cdebcda1174da96944c23</citedby><cites>FETCH-LOGICAL-c328t-cb67327a0cfb32893d14ca1b53ab734913542eea1798cdebcda1174da96944c23</cites><orcidid>0000-0001-9401-1437</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.2020.06.024$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Asaithambi, Perumal</creatorcontrib><creatorcontrib>Govindarajan, Rajendran</creatorcontrib><creatorcontrib>Busier Yesuf, Mamuye</creatorcontrib><creatorcontrib>Selvakumar, P.</creatorcontrib><creatorcontrib>Alemayehu, Esayas</creatorcontrib><title>Enhanced treatment of landfill leachate wastewater using sono(US)-ozone(O3)–electrocoagulation(EC) process: role of process parameters on color, COD and electrical energy consumption</title><title>Process safety and environmental protection</title><description>[Display omitted]
•Combination of US, O3 and EC process for removal of color, COD with electrical energy consumption from landfill leachate was developed.•US/O3/EC was highly successful in removal of color and COD than other hybrid and single processes such as O3/EC, US/EC, US/O3 and EC, O3, US.•Maximum color and COD removal efficiencies were obtained using US/O3/EC with required electrical energy consumption.•Operating parameters have been studied to obtain the hybrid process performance efficiency.
The combination of advanced oxidation processes (AOPs) and electrochemical process is gaining growing popularity for use in wastewater treatment. The present work explores for the first time, treatment of leachate wastewater from landfill waste using a combination of sonication (US), ozonation (O3) and electrocoagulation (EC) process expressed by % color removal, % Chemical Oxygen Demand (COD) removal and its associated electrical energy consumption. The results revealed that, the combined process (US/O3/EC) is highly successful in the treatment of leachate wastewater from landfill in terms of % color removal (100 %) and % COD removal (97.50 %) with low electrical energy consumption (8kWhr/m3) than the other hybrid and single process such as O3/EC, US/EC, US/O3 and EC, O3, US. The influence of different process parameters such as electrolyte concentration (1.50–7.50 g/L), current density (1.25–7.50 A/dm2), initial effluent pH (2–11), COD concentration (2000–6000 ppm), O3 production (0.75–3.75 g/hr) and sonication power (20–100 Watts) were studied on the efficiency of pollutant removal evaluated by reduction of % color and % COD and electrical energy consumption using hybrid US/O3/EC process. Overall, the analysis clearly showed that the approaches to integrated treatment technologies could synergistically remove the pollutant from the wastewater.</description><subject>Chemical oxygen demand</subject><subject>Color</subject><subject>color and % COD removal</subject><subject>Color removal</subject><subject>Electrical energy consumption</subject><subject>Electrochemistry</subject><subject>Electrocoagulation</subject><subject>Energy consumption</subject><subject>Landfill</subject><subject>Landfill leachate</subject><subject>Landfills</subject><subject>Leachates</subject><subject>O3/US/ECprocess</subject><subject>Oxidation</subject><subject>Ozonation</subject><subject>Pollutant removal</subject><subject>Pollutants</subject><subject>Process parameters</subject><subject>Sonication</subject><subject>Waste disposal sites</subject><subject>Waste treatment</subject><subject>Wastewater pollution</subject><subject>Wastewater treatment</subject><subject>Water pollution treatment</subject><issn>0957-5820</issn><issn>1744-3598</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kc2O0zAUhS0EEmXgBVhZYtNKJPgvSYPYoFJ-pJG6gFlbN85Nx5VrBzthNKx4B16G5-FJcNRZs7J1dM651_4IeclZyRmv35zKMeFYCiZYyeqSCfWIrHijVCGrdvuYrFhbNUW1FewpeZbSiTHGRcNX5M_e34I32NMpIkxn9BMNA3Xg-8E6Rx2CuYUJ6R2kCe_yLdI5WX-kKfiwvvm6KcLP4HF9kJu_v36jQzPFYAIcZweTDX69323omCVM6S2NweHS_yDQESKcMZcmGjw1wYX4mu4OH2ieTy9l1oCj6DEe77PBp_k8Lr3PyZMBXMIXD-cVufm4_7b7XFwfPn3Zvb8ujBTbqTBd3UjRADNDl4VW9lwZ4F0loWukarmslEAE3rRb02NneuD533po61YpI-QVeXXpzSt_nzFN-hTm6PNILVRds6ptqyq7xMVlYkgp4qDHaM8Q7zVneiGkT3ohpBdCmtU6E8qhd5cQ5v1_WIw6GYsLDBvzy3Uf7P_i_wBHjp6e</recordid><startdate>202010</startdate><enddate>202010</enddate><creator>Asaithambi, Perumal</creator><creator>Govindarajan, Rajendran</creator><creator>Busier Yesuf, Mamuye</creator><creator>Selvakumar, P.</creator><creator>Alemayehu, Esayas</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/0000-0001-9401-1437</orcidid></search><sort><creationdate>202010</creationdate><title>Enhanced treatment of landfill leachate wastewater using sono(US)-ozone(O3)–electrocoagulation(EC) process: role of process parameters on color, COD and electrical energy consumption</title><author>Asaithambi, Perumal ; Govindarajan, Rajendran ; Busier Yesuf, Mamuye ; Selvakumar, P. ; Alemayehu, Esayas</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-cb67327a0cfb32893d14ca1b53ab734913542eea1798cdebcda1174da96944c23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Chemical oxygen demand</topic><topic>Color</topic><topic>color and % COD removal</topic><topic>Color removal</topic><topic>Electrical energy consumption</topic><topic>Electrochemistry</topic><topic>Electrocoagulation</topic><topic>Energy consumption</topic><topic>Landfill</topic><topic>Landfill leachate</topic><topic>Landfills</topic><topic>Leachates</topic><topic>O3/US/ECprocess</topic><topic>Oxidation</topic><topic>Ozonation</topic><topic>Pollutant removal</topic><topic>Pollutants</topic><topic>Process parameters</topic><topic>Sonication</topic><topic>Waste disposal sites</topic><topic>Waste treatment</topic><topic>Wastewater pollution</topic><topic>Wastewater treatment</topic><topic>Water pollution treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Asaithambi, Perumal</creatorcontrib><creatorcontrib>Govindarajan, Rajendran</creatorcontrib><creatorcontrib>Busier Yesuf, Mamuye</creatorcontrib><creatorcontrib>Selvakumar, P.</creatorcontrib><creatorcontrib>Alemayehu, Esayas</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>Asaithambi, Perumal</au><au>Govindarajan, Rajendran</au><au>Busier Yesuf, Mamuye</au><au>Selvakumar, P.</au><au>Alemayehu, Esayas</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhanced treatment of landfill leachate wastewater using sono(US)-ozone(O3)–electrocoagulation(EC) process: role of process parameters on color, COD and electrical energy consumption</atitle><jtitle>Process safety and environmental protection</jtitle><date>2020-10</date><risdate>2020</risdate><volume>142</volume><spage>212</spage><epage>218</epage><pages>212-218</pages><issn>0957-5820</issn><eissn>1744-3598</eissn><abstract>[Display omitted]
•Combination of US, O3 and EC process for removal of color, COD with electrical energy consumption from landfill leachate was developed.•US/O3/EC was highly successful in removal of color and COD than other hybrid and single processes such as O3/EC, US/EC, US/O3 and EC, O3, US.•Maximum color and COD removal efficiencies were obtained using US/O3/EC with required electrical energy consumption.•Operating parameters have been studied to obtain the hybrid process performance efficiency.
The combination of advanced oxidation processes (AOPs) and electrochemical process is gaining growing popularity for use in wastewater treatment. The present work explores for the first time, treatment of leachate wastewater from landfill waste using a combination of sonication (US), ozonation (O3) and electrocoagulation (EC) process expressed by % color removal, % Chemical Oxygen Demand (COD) removal and its associated electrical energy consumption. The results revealed that, the combined process (US/O3/EC) is highly successful in the treatment of leachate wastewater from landfill in terms of % color removal (100 %) and % COD removal (97.50 %) with low electrical energy consumption (8kWhr/m3) than the other hybrid and single process such as O3/EC, US/EC, US/O3 and EC, O3, US. The influence of different process parameters such as electrolyte concentration (1.50–7.50 g/L), current density (1.25–7.50 A/dm2), initial effluent pH (2–11), COD concentration (2000–6000 ppm), O3 production (0.75–3.75 g/hr) and sonication power (20–100 Watts) were studied on the efficiency of pollutant removal evaluated by reduction of % color and % COD and electrical energy consumption using hybrid US/O3/EC process. Overall, the analysis clearly showed that the approaches to integrated treatment technologies could synergistically remove the pollutant from the wastewater.</abstract><cop>Rugby</cop><pub>Elsevier B.V</pub><doi>10.1016/j.psep.2020.06.024</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-9401-1437</orcidid></addata></record> |
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| subjects | Chemical oxygen demand Color color and % COD removal Color removal Electrical energy consumption Electrochemistry Electrocoagulation Energy consumption Landfill Landfill leachate Landfills Leachates O3/US/ECprocess Oxidation Ozonation Pollutant removal Pollutants Process parameters Sonication Waste disposal sites Waste treatment Wastewater pollution Wastewater treatment Water pollution treatment |
| title | Enhanced treatment of landfill leachate wastewater using sono(US)-ozone(O3)–electrocoagulation(EC) process: role of process parameters on color, COD and electrical energy consumption |
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