Treatment of real dairy wastewater by electrolysis and photo-assisted electrolysis in presence of chlorides
The efficiency of electrolysis (EC/Cl ) and photo-assisted electrolysis (EC/UV/Cl ) methods, in the presence of chloride, for the abatement of real dairy waste from a producer in the Triangulo Mineiro region of Brazil, was evaluated. A complete 2 factorial design was performed for the variables time...
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| Veröffentlicht in: | Water science and technology 2019-09, Vol.80 (5), p.961-969 |
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| creator | de Sousa, Diego Domingos Pereira Pinto, Camila Ferreira Tonhela, Marquele Amorim Granato, Ana Claudia Motheo, Artur de Jesus Lima, Alexandre de Faria Ferreira, Deusmaque Carneiro Fernandes, David Maikel Fornazari, Ana Luiza de Toledo Malpass, Geoffroy Roger Pointer |
| description | The efficiency of electrolysis (EC/Cl
) and photo-assisted electrolysis (EC/UV/Cl
) methods, in the presence of chloride, for the abatement of real dairy waste from a producer in the Triangulo Mineiro region of Brazil, was evaluated. A complete 2
factorial design was performed for the variables time, pH and current. After determining the ideal pH, a Central Compound Design (CCD) was performed, where the applied current (533.42 mA) and treatment time (60.45 minutes) were maximized. The effluent was subsequently submitted to prolonged EC/Cl
and EC/UV/Cl
treatment in order to evaluate the behaviour of specific environmental parameters over time. The EC/UV/Cl
method was more efficient than simple EC/Cl
treatment. The EC/UV/Cl
method resulted in a reduction of all environmental parameters investigated to levels within legal standards for effluent discharge. A relatively low cost of treatment is obtained with Energy per Order (E
) values of 0.89 and 1.22 kWh m
order
for the EC/UV/Cl
and EC/Cl
treatments, respectively. The electrochemical production of free chlorine species followed by subsequent photolysis and production of radical species can convert a simple electrochemical process into an advanced oxidation process (AOP). |
| doi_str_mv | 10.2166/wst.2019.339 |
| format | Article |
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) and photo-assisted electrolysis (EC/UV/Cl
) methods, in the presence of chloride, for the abatement of real dairy waste from a producer in the Triangulo Mineiro region of Brazil, was evaluated. A complete 2
factorial design was performed for the variables time, pH and current. After determining the ideal pH, a Central Compound Design (CCD) was performed, where the applied current (533.42 mA) and treatment time (60.45 minutes) were maximized. The effluent was subsequently submitted to prolonged EC/Cl
and EC/UV/Cl
treatment in order to evaluate the behaviour of specific environmental parameters over time. The EC/UV/Cl
method was more efficient than simple EC/Cl
treatment. The EC/UV/Cl
method resulted in a reduction of all environmental parameters investigated to levels within legal standards for effluent discharge. A relatively low cost of treatment is obtained with Energy per Order (E
) values of 0.89 and 1.22 kWh m
order
for the EC/UV/Cl
and EC/Cl
treatments, respectively. The electrochemical production of free chlorine species followed by subsequent photolysis and production of radical species can convert a simple electrochemical process into an advanced oxidation process (AOP).</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2019.339</identifier><identifier>PMID: 31746803</identifier><language>eng</language><publisher>England: IWA Publishing</publisher><subject>Brazil ; Chemical oxygen demand ; Chloride ; Chlorides ; Chlorine ; Dairy industry ; Dairy industry wastewaters ; Dairy wastes ; Efficiency ; Effluent standards ; Effluents ; Electrochemistry ; Electrolysis ; Environmental factors ; Factorial design ; Milk ; Oxidation ; Oxidation process ; Oxidation-Reduction ; Parameters ; pH effects ; Photolysis ; Pollutants ; Ultraviolet radiation ; Waste Disposal, Fluid ; Waste Water ; Wastewater ; Wastewater discharges ; Water Pollutants, Chemical ; Water Purification</subject><ispartof>Water science and technology, 2019-09, Vol.80 (5), p.961-969</ispartof><rights>Copyright IWA Publishing Sep 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-8a9f633185412a6052f37454de2b79db193e3104e96183dfc45fd40b379c6f543</citedby><cites>FETCH-LOGICAL-c357t-8a9f633185412a6052f37454de2b79db193e3104e96183dfc45fd40b379c6f543</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31746803$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>de Sousa, Diego Domingos Pereira</creatorcontrib><creatorcontrib>Pinto, Camila Ferreira</creatorcontrib><creatorcontrib>Tonhela, Marquele Amorim</creatorcontrib><creatorcontrib>Granato, Ana Claudia</creatorcontrib><creatorcontrib>Motheo, Artur de Jesus</creatorcontrib><creatorcontrib>Lima, Alexandre de Faria</creatorcontrib><creatorcontrib>Ferreira, Deusmaque Carneiro</creatorcontrib><creatorcontrib>Fernandes, David Maikel</creatorcontrib><creatorcontrib>Fornazari, Ana Luiza de Toledo</creatorcontrib><creatorcontrib>Malpass, Geoffroy Roger Pointer</creatorcontrib><title>Treatment of real dairy wastewater by electrolysis and photo-assisted electrolysis in presence of chlorides</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>The efficiency of electrolysis (EC/Cl
) and photo-assisted electrolysis (EC/UV/Cl
) methods, in the presence of chloride, for the abatement of real dairy waste from a producer in the Triangulo Mineiro region of Brazil, was evaluated. A complete 2
factorial design was performed for the variables time, pH and current. After determining the ideal pH, a Central Compound Design (CCD) was performed, where the applied current (533.42 mA) and treatment time (60.45 minutes) were maximized. The effluent was subsequently submitted to prolonged EC/Cl
and EC/UV/Cl
treatment in order to evaluate the behaviour of specific environmental parameters over time. The EC/UV/Cl
method was more efficient than simple EC/Cl
treatment. The EC/UV/Cl
method resulted in a reduction of all environmental parameters investigated to levels within legal standards for effluent discharge. A relatively low cost of treatment is obtained with Energy per Order (E
) values of 0.89 and 1.22 kWh m
order
for the EC/UV/Cl
and EC/Cl
treatments, respectively. The electrochemical production of free chlorine species followed by subsequent photolysis and production of radical species can convert a simple electrochemical process into an advanced oxidation process (AOP).</description><subject>Brazil</subject><subject>Chemical oxygen demand</subject><subject>Chloride</subject><subject>Chlorides</subject><subject>Chlorine</subject><subject>Dairy industry</subject><subject>Dairy industry wastewaters</subject><subject>Dairy wastes</subject><subject>Efficiency</subject><subject>Effluent standards</subject><subject>Effluents</subject><subject>Electrochemistry</subject><subject>Electrolysis</subject><subject>Environmental factors</subject><subject>Factorial design</subject><subject>Milk</subject><subject>Oxidation</subject><subject>Oxidation process</subject><subject>Oxidation-Reduction</subject><subject>Parameters</subject><subject>pH effects</subject><subject>Photolysis</subject><subject>Pollutants</subject><subject>Ultraviolet radiation</subject><subject>Waste Disposal, Fluid</subject><subject>Waste Water</subject><subject>Wastewater</subject><subject>Wastewater discharges</subject><subject>Water Pollutants, Chemical</subject><subject>Water Purification</subject><issn>0273-1223</issn><issn>1996-9732</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNpVkM9LwzAUx4Mobk5vniXg1c4kL02bowx_wcDLPIe0eWWdXVuTjNH_3o5NwdN7j--H74MPIbeczQVX6nEf4lwwrucA-oxMudYq0RmIczJlIoOECwETchXChjGWgWSXZAI8kypnMCVfK482brGNtKvouDfU2doPdG9DxL2N6GkxUGywjL5rhlAHaltH-3UXu8SG8Y7o_ud1S3uPAdsSD6Xluul87TBck4vKNgFvTnNGPl-eV4u3ZPnx-r54WiYlpFlMcqsrBcDzVHJhFUtFBZlMpUNRZNoVXAMCZxK14jm4qpRp5SQrINOlqlIJM3J_7O19973DEM2m2_l2fGkECKaZAMVG6uFIlb4LwWNlel9vrR8MZ-Zg1oxmzcGsGc2O-N2pdFds0f3BvyrhB4IVdTU</recordid><startdate>201909</startdate><enddate>201909</enddate><creator>de Sousa, Diego Domingos Pereira</creator><creator>Pinto, 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by electrolysis and photo-assisted electrolysis in presence of chlorides</title><author>de Sousa, Diego Domingos Pereira ; Pinto, Camila Ferreira ; Tonhela, Marquele Amorim ; Granato, Ana Claudia ; Motheo, Artur de Jesus ; Lima, Alexandre de Faria ; Ferreira, Deusmaque Carneiro ; Fernandes, David Maikel ; Fornazari, Ana Luiza de Toledo ; Malpass, Geoffroy Roger Pointer</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-8a9f633185412a6052f37454de2b79db193e3104e96183dfc45fd40b379c6f543</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Brazil</topic><topic>Chemical oxygen demand</topic><topic>Chloride</topic><topic>Chlorides</topic><topic>Chlorine</topic><topic>Dairy industry</topic><topic>Dairy industry wastewaters</topic><topic>Dairy wastes</topic><topic>Efficiency</topic><topic>Effluent 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>de Sousa, Diego Domingos Pereira</au><au>Pinto, Camila Ferreira</au><au>Tonhela, Marquele Amorim</au><au>Granato, Ana Claudia</au><au>Motheo, Artur de Jesus</au><au>Lima, Alexandre de Faria</au><au>Ferreira, Deusmaque Carneiro</au><au>Fernandes, David Maikel</au><au>Fornazari, Ana Luiza de Toledo</au><au>Malpass, Geoffroy Roger Pointer</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Treatment of real dairy wastewater by electrolysis and photo-assisted electrolysis in presence of chlorides</atitle><jtitle>Water science and technology</jtitle><addtitle>Water Sci Technol</addtitle><date>2019-09</date><risdate>2019</risdate><volume>80</volume><issue>5</issue><spage>961</spage><epage>969</epage><pages>961-969</pages><issn>0273-1223</issn><eissn>1996-9732</eissn><abstract>The efficiency of electrolysis (EC/Cl
) and photo-assisted electrolysis (EC/UV/Cl
) methods, in the presence of chloride, for the abatement of real dairy waste from a producer in the Triangulo Mineiro region of Brazil, was evaluated. A complete 2
factorial design was performed for the variables time, pH and current. After determining the ideal pH, a Central Compound Design (CCD) was performed, where the applied current (533.42 mA) and treatment time (60.45 minutes) were maximized. The effluent was subsequently submitted to prolonged EC/Cl
and EC/UV/Cl
treatment in order to evaluate the behaviour of specific environmental parameters over time. The EC/UV/Cl
method was more efficient than simple EC/Cl
treatment. The EC/UV/Cl
method resulted in a reduction of all environmental parameters investigated to levels within legal standards for effluent discharge. A relatively low cost of treatment is obtained with Energy per Order (E
) values of 0.89 and 1.22 kWh m
order
for the EC/UV/Cl
and EC/Cl
treatments, respectively. The electrochemical production of free chlorine species followed by subsequent photolysis and production of radical species can convert a simple electrochemical process into an advanced oxidation process (AOP).</abstract><cop>England</cop><pub>IWA Publishing</pub><pmid>31746803</pmid><doi>10.2166/wst.2019.339</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 2019-09, Vol.80 (5), p.961-969 |
| issn | 0273-1223 1996-9732 |
| language | eng |
| recordid | cdi_proquest_journals_2320902360 |
| source | MEDLINE; EZB-FREE-00999 freely available EZB journals |
| subjects | Brazil Chemical oxygen demand Chloride Chlorides Chlorine Dairy industry Dairy industry wastewaters Dairy wastes Efficiency Effluent standards Effluents Electrochemistry Electrolysis Environmental factors Factorial design Milk Oxidation Oxidation process Oxidation-Reduction Parameters pH effects Photolysis Pollutants Ultraviolet radiation Waste Disposal, Fluid Waste Water Wastewater Wastewater discharges Water Pollutants, Chemical Water Purification |
| title | Treatment of real dairy wastewater by electrolysis and photo-assisted electrolysis in presence of chlorides |
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