Treatment of dairy industry wastewater by combined aerated electrocoagulation and phytoremediation process
As dairy industries has been emerged as one of the most rapidly developing industry in both small as well as large scale, the volume of effluent generated is also very high. In the present study, aerated electrocoagulation combined with phytoremediation treatment was conducted in dairy industry wast...
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| Veröffentlicht in: | Chemosphere (Oxford) 2020-08, Vol.253, p.126652-126652, Article 126652 |
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| creator | Akansha, J. Nidheesh, P.V. Gopinath, Ashitha Anupama, K.V. Suresh Kumar, M. |
| description | As dairy industries has been emerged as one of the most rapidly developing industry in both small as well as large scale, the volume of effluent generated is also very high. In the present study, aerated electrocoagulation combined with phytoremediation treatment was conducted in dairy industry wastewater. Electrocoagulation was performed with aluminium and iron electrodes and effect of various operating parameters such as electrode combination, pH, and voltage were tested. Electrocoagulation was found effective at neutral pH and its efficiency increased with increase in applied voltage. The maximum COD removal efficiency of 86.4% was obtained in case of Al–Fe electrode combination with aeration at 120 min reaction time, initial pH 7, voltage 5 V. Significant growth of Canna indica was observed in electrocoagulation treated wastewater compared to raw dairy wastewater. COD removal of 97% was achieved when combined electrocoagulation and phytoremediation process was used. Thus, it proves to be a proficient method for the treatment of dairy industry wastewater. In addition to the above, bacterial toxicity tests were performed to investigate the toxic nature of wastewater and the results showed that both treated and untreated wastewater favoured bacterial growth.
•Aeration improved the performance of electrocoagulation.•Al–Fe electrode combination found effective for diary wastewater treatment.•97% COD removal by combined electrocoagulation and phytoremediation process. |
| doi_str_mv | 10.1016/j.chemosphere.2020.126652 |
| format | Article |
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•Aeration improved the performance of electrocoagulation.•Al–Fe electrode combination found effective for diary wastewater treatment.•97% COD removal by combined electrocoagulation and phytoremediation process.</description><identifier>ISSN: 0045-6535</identifier><identifier>EISSN: 1879-1298</identifier><identifier>DOI: 10.1016/j.chemosphere.2020.126652</identifier><identifier>PMID: 32272308</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Aerated electrocoagulation ; aeration ; aluminum ; bacterial growth ; Canna indica ; chemical oxygen demand ; dairy industry ; Dairy industry wastewater ; electric potential difference ; electrocoagulation ; electrodes ; industrial wastewater ; iron ; Phytoremediation ; toxicity ; toxicity testing ; Wastewater treatment</subject><ispartof>Chemosphere (Oxford), 2020-08, Vol.253, p.126652-126652, Article 126652</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright © 2020 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c410t-c2f90775fa66df5aa0456c73c1567f0830926ee0a3ac414cb166ddab5e9be7733</citedby><cites>FETCH-LOGICAL-c410t-c2f90775fa66df5aa0456c73c1567f0830926ee0a3ac414cb166ddab5e9be7733</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.chemosphere.2020.126652$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32272308$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Akansha, J.</creatorcontrib><creatorcontrib>Nidheesh, P.V.</creatorcontrib><creatorcontrib>Gopinath, Ashitha</creatorcontrib><creatorcontrib>Anupama, K.V.</creatorcontrib><creatorcontrib>Suresh Kumar, M.</creatorcontrib><title>Treatment of dairy industry wastewater by combined aerated electrocoagulation and phytoremediation process</title><title>Chemosphere (Oxford)</title><addtitle>Chemosphere</addtitle><description>As dairy industries has been emerged as one of the most rapidly developing industry in both small as well as large scale, the volume of effluent generated is also very high. In the present study, aerated electrocoagulation combined with phytoremediation treatment was conducted in dairy industry wastewater. Electrocoagulation was performed with aluminium and iron electrodes and effect of various operating parameters such as electrode combination, pH, and voltage were tested. Electrocoagulation was found effective at neutral pH and its efficiency increased with increase in applied voltage. The maximum COD removal efficiency of 86.4% was obtained in case of Al–Fe electrode combination with aeration at 120 min reaction time, initial pH 7, voltage 5 V. Significant growth of Canna indica was observed in electrocoagulation treated wastewater compared to raw dairy wastewater. COD removal of 97% was achieved when combined electrocoagulation and phytoremediation process was used. Thus, it proves to be a proficient method for the treatment of dairy industry wastewater. In addition to the above, bacterial toxicity tests were performed to investigate the toxic nature of wastewater and the results showed that both treated and untreated wastewater favoured bacterial growth.
•Aeration improved the performance of electrocoagulation.•Al–Fe electrode combination found effective for diary wastewater treatment.•97% COD removal by combined electrocoagulation and phytoremediation process.</description><subject>Aerated electrocoagulation</subject><subject>aeration</subject><subject>aluminum</subject><subject>bacterial growth</subject><subject>Canna indica</subject><subject>chemical oxygen demand</subject><subject>dairy industry</subject><subject>Dairy industry wastewater</subject><subject>electric potential difference</subject><subject>electrocoagulation</subject><subject>electrodes</subject><subject>industrial wastewater</subject><subject>iron</subject><subject>Phytoremediation</subject><subject>toxicity</subject><subject>toxicity testing</subject><subject>Wastewater treatment</subject><issn>0045-6535</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqNkU1v1DAYhC0EotvCX0DmxiWLP2LHOaIVH5UqcSln6439hvUqiRfbodp_j6sUxA1OtkbPeOQZQt5ytueM6_envTviHPP5iAn3gomqC62VeEZ23HR9w0VvnpMdY61qtJLqilznfGKsmlX_klxJITohmdmR031CKDMuhcaRegjpQsPi11zq5QFywQcomOhwoS7OQ1jQU8BUNU9xQldSdBG-rxOUEBcKi6fn46XEhDP6sInnymDOr8iLEaaMr5_OG_Lt08f7w5fm7uvn28OHu8a1nJXGibFnXadG0NqPCqB-QrtOOq50NzIjWS80IgMJ1dC6gVfOw6CwH7DrpLwh77Z3a-6PFXOxc8gOpwkWjGu2opXctEwY9W9UGmO4aDWvaL-hLsWcE472nMIM6WI5s4-r2JP9axX7uIrdVqneN08x61Br-eP8PUMFDhuAtZefAZPNLuDiaoWpdmx9DP8R8wsJ5qZp</recordid><startdate>202008</startdate><enddate>202008</enddate><creator>Akansha, J.</creator><creator>Nidheesh, P.V.</creator><creator>Gopinath, Ashitha</creator><creator>Anupama, K.V.</creator><creator>Suresh Kumar, M.</creator><general>Elsevier Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>202008</creationdate><title>Treatment of dairy industry wastewater by combined aerated electrocoagulation and phytoremediation process</title><author>Akansha, J. ; Nidheesh, P.V. ; Gopinath, Ashitha ; Anupama, K.V. ; Suresh Kumar, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c410t-c2f90775fa66df5aa0456c73c1567f0830926ee0a3ac414cb166ddab5e9be7733</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aerated electrocoagulation</topic><topic>aeration</topic><topic>aluminum</topic><topic>bacterial growth</topic><topic>Canna indica</topic><topic>chemical oxygen demand</topic><topic>dairy industry</topic><topic>Dairy industry wastewater</topic><topic>electric potential difference</topic><topic>electrocoagulation</topic><topic>electrodes</topic><topic>industrial wastewater</topic><topic>iron</topic><topic>Phytoremediation</topic><topic>toxicity</topic><topic>toxicity testing</topic><topic>Wastewater treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Akansha, J.</creatorcontrib><creatorcontrib>Nidheesh, P.V.</creatorcontrib><creatorcontrib>Gopinath, Ashitha</creatorcontrib><creatorcontrib>Anupama, K.V.</creatorcontrib><creatorcontrib>Suresh Kumar, M.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Akansha, J.</au><au>Nidheesh, P.V.</au><au>Gopinath, Ashitha</au><au>Anupama, K.V.</au><au>Suresh Kumar, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Treatment of dairy industry wastewater by combined aerated electrocoagulation and phytoremediation process</atitle><jtitle>Chemosphere (Oxford)</jtitle><addtitle>Chemosphere</addtitle><date>2020-08</date><risdate>2020</risdate><volume>253</volume><spage>126652</spage><epage>126652</epage><pages>126652-126652</pages><artnum>126652</artnum><issn>0045-6535</issn><eissn>1879-1298</eissn><abstract>As dairy industries has been emerged as one of the most rapidly developing industry in both small as well as large scale, the volume of effluent generated is also very high. In the present study, aerated electrocoagulation combined with phytoremediation treatment was conducted in dairy industry wastewater. Electrocoagulation was performed with aluminium and iron electrodes and effect of various operating parameters such as electrode combination, pH, and voltage were tested. Electrocoagulation was found effective at neutral pH and its efficiency increased with increase in applied voltage. The maximum COD removal efficiency of 86.4% was obtained in case of Al–Fe electrode combination with aeration at 120 min reaction time, initial pH 7, voltage 5 V. Significant growth of Canna indica was observed in electrocoagulation treated wastewater compared to raw dairy wastewater. COD removal of 97% was achieved when combined electrocoagulation and phytoremediation process was used. Thus, it proves to be a proficient method for the treatment of dairy industry wastewater. In addition to the above, bacterial toxicity tests were performed to investigate the toxic nature of wastewater and the results showed that both treated and untreated wastewater favoured bacterial growth.
•Aeration improved the performance of electrocoagulation.•Al–Fe electrode combination found effective for diary wastewater treatment.•97% COD removal by combined electrocoagulation and phytoremediation process.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>32272308</pmid><doi>10.1016/j.chemosphere.2020.126652</doi><tpages>1</tpages></addata></record> |
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| subjects | Aerated electrocoagulation aeration aluminum bacterial growth Canna indica chemical oxygen demand dairy industry Dairy industry wastewater electric potential difference electrocoagulation electrodes industrial wastewater iron Phytoremediation toxicity toxicity testing Wastewater treatment |
| title | Treatment of dairy industry wastewater by combined aerated electrocoagulation and phytoremediation process |
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