Commercial fertilizer as effective iron chelate (Fe3+-EDDHA) for wastewater disinfection under natural sunlight for reusing in irrigation
[Display omitted] •Fe3+-EDDHA/H2O2 for wastewater disinfection has been proved under natural sunlight.•Fe3+-EDDHA promotes bacterial inactivation more than photo-Fenton at neutral pH.•Best bacterial inactivation kinetic rate was obtained with 2.5/5 mg L−1 of Fe3+-EDDHA/H2O2.•An inactivation mechanis...
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| Veröffentlicht in: | Applied catalysis. B, Environmental Environmental, 2019-09, Vol.253, p.286-292 |
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| creator | Nahim-Granados, S. Oller, I. Malato, S. Sánchez Pérez, J.A. Polo-Lopez, M.I. |
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•Fe3+-EDDHA/H2O2 for wastewater disinfection has been proved under natural sunlight.•Fe3+-EDDHA promotes bacterial inactivation more than photo-Fenton at neutral pH.•Best bacterial inactivation kinetic rate was obtained with 2.5/5 mg L−1 of Fe3+-EDDHA/H2O2.•An inactivation mechanism based on Fe3+-EDDHA interactions with cell-wall has been proposed.
In this study, the use of a commercial iron fertilizer (Fe3+-EDDHA) employed to remediate iron chlorosis in agriculture has been investigated as a promoting bactericidal agent in solar wastewater disinfection processes. Two water matrices: isotonic water (IW) and synthetic fresh-cut wastewater (SFCWW) and two bacterial strains (E. coli O157:H7 and Salmonella enteritidis) have been investigated. The bacterial inactivation rates were compared with other solar processes (solar only, H2O2/solar, Fe3+/solar and Fe3+/H2O2/solar) at neutral pH and at laboratory scale (200 mL) under natural solar radiation. Reagents concentration tested was 0.5, 2.5 and 5 mg L−1 of Fe3+ or Fe3+-EDDHA and 1, 5 and 10 mg L-1 of H2O2.
Microbial inactivation kinetics showed an improvement of the solar disinfection efficiency when using Fe3+-EDDHA/solar in comparison with Fe3+/H2O2/solar (conventional photo-Fenton) in both water matrices. Among all reagent concentrations tested, the best inactivation kinetic rate for both bacteria was obtained with 2.5/5 mg L−1 Fe3+-EDDHA/H2O2, reaching > 5-log reduction in 45 min of treatment or 31 Whm-2 of solar UVA-dose. In addition, an inactivation mechanism has been proposed based on changes in membrane permeability when Fe3+-EDDHA is present and on structural damages caused by hydroxyl radicals (HO•) for Fe3+-EDDHA/H2O2/solar process.
Finally, this study highlights the possibility of efficient fresh-cut wastewater treat for further irrigation reuse in arid and semiarid regions using disinfected wastewater that already includes iron fertilizer, reducing water scarcity and with the additional advantage of diminished impact of iron chlorosis in crops. |
| doi_str_mv | 10.1016/j.apcatb.2019.04.041 |
| format | Article |
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•Fe3+-EDDHA/H2O2 for wastewater disinfection has been proved under natural sunlight.•Fe3+-EDDHA promotes bacterial inactivation more than photo-Fenton at neutral pH.•Best bacterial inactivation kinetic rate was obtained with 2.5/5 mg L−1 of Fe3+-EDDHA/H2O2.•An inactivation mechanism based on Fe3+-EDDHA interactions with cell-wall has been proposed.
In this study, the use of a commercial iron fertilizer (Fe3+-EDDHA) employed to remediate iron chlorosis in agriculture has been investigated as a promoting bactericidal agent in solar wastewater disinfection processes. Two water matrices: isotonic water (IW) and synthetic fresh-cut wastewater (SFCWW) and two bacterial strains (E. coli O157:H7 and Salmonella enteritidis) have been investigated. The bacterial inactivation rates were compared with other solar processes (solar only, H2O2/solar, Fe3+/solar and Fe3+/H2O2/solar) at neutral pH and at laboratory scale (200 mL) under natural solar radiation. Reagents concentration tested was 0.5, 2.5 and 5 mg L−1 of Fe3+ or Fe3+-EDDHA and 1, 5 and 10 mg L-1 of H2O2.
Microbial inactivation kinetics showed an improvement of the solar disinfection efficiency when using Fe3+-EDDHA/solar in comparison with Fe3+/H2O2/solar (conventional photo-Fenton) in both water matrices. Among all reagent concentrations tested, the best inactivation kinetic rate for both bacteria was obtained with 2.5/5 mg L−1 Fe3+-EDDHA/H2O2, reaching > 5-log reduction in 45 min of treatment or 31 Whm-2 of solar UVA-dose. In addition, an inactivation mechanism has been proposed based on changes in membrane permeability when Fe3+-EDDHA is present and on structural damages caused by hydroxyl radicals (HO•) for Fe3+-EDDHA/H2O2/solar process.
Finally, this study highlights the possibility of efficient fresh-cut wastewater treat for further irrigation reuse in arid and semiarid regions using disinfected wastewater that already includes iron fertilizer, reducing water scarcity and with the additional advantage of diminished impact of iron chlorosis in crops.</description><identifier>ISSN: 0926-3373</identifier><identifier>EISSN: 1873-3883</identifier><identifier>DOI: 10.1016/j.apcatb.2019.04.041</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Agrochemicals ; Arid regions ; Bacteria ; Chelates ; Chlorosis ; Deactivation ; Disinfectants ; Disinfection ; E coli ; E. coli O157:H7 ; Fe3+-EDDHA ; Fertilizers ; Free radicals ; Fresh-cut wastewater ; Hydrogen peroxide ; Hydroxyl radicals ; Inactivation ; Iron ; Irrigation ; Kinetics ; Membrane permeability ; Microorganisms ; Reaction kinetics ; Reagents ; Reuse ; S. enteritidis ; Salmonella ; Semi arid areas ; Semiarid lands ; Solar radiation ; Structural damage ; Wastewater ; Wastewater disinfection ; Wastewater irrigation ; Wastewater reuse ; Wastewater treatment ; Water scarcity ; Water treatment</subject><ispartof>Applied catalysis. B, Environmental, 2019-09, Vol.253, p.286-292</ispartof><rights>2019 Elsevier B.V.</rights><rights>Copyright Elsevier BV Sep 15, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-a8c6aac88c5790266814b6f1cfd9f89e944e3836795e39a4c424f0b36672adb93</citedby><cites>FETCH-LOGICAL-c334t-a8c6aac88c5790266814b6f1cfd9f89e944e3836795e39a4c424f0b36672adb93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apcatb.2019.04.041$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Nahim-Granados, S.</creatorcontrib><creatorcontrib>Oller, I.</creatorcontrib><creatorcontrib>Malato, S.</creatorcontrib><creatorcontrib>Sánchez Pérez, J.A.</creatorcontrib><creatorcontrib>Polo-Lopez, M.I.</creatorcontrib><title>Commercial fertilizer as effective iron chelate (Fe3+-EDDHA) for wastewater disinfection under natural sunlight for reusing in irrigation</title><title>Applied catalysis. B, Environmental</title><description>[Display omitted]
•Fe3+-EDDHA/H2O2 for wastewater disinfection has been proved under natural sunlight.•Fe3+-EDDHA promotes bacterial inactivation more than photo-Fenton at neutral pH.•Best bacterial inactivation kinetic rate was obtained with 2.5/5 mg L−1 of Fe3+-EDDHA/H2O2.•An inactivation mechanism based on Fe3+-EDDHA interactions with cell-wall has been proposed.
In this study, the use of a commercial iron fertilizer (Fe3+-EDDHA) employed to remediate iron chlorosis in agriculture has been investigated as a promoting bactericidal agent in solar wastewater disinfection processes. Two water matrices: isotonic water (IW) and synthetic fresh-cut wastewater (SFCWW) and two bacterial strains (E. coli O157:H7 and Salmonella enteritidis) have been investigated. The bacterial inactivation rates were compared with other solar processes (solar only, H2O2/solar, Fe3+/solar and Fe3+/H2O2/solar) at neutral pH and at laboratory scale (200 mL) under natural solar radiation. Reagents concentration tested was 0.5, 2.5 and 5 mg L−1 of Fe3+ or Fe3+-EDDHA and 1, 5 and 10 mg L-1 of H2O2.
Microbial inactivation kinetics showed an improvement of the solar disinfection efficiency when using Fe3+-EDDHA/solar in comparison with Fe3+/H2O2/solar (conventional photo-Fenton) in both water matrices. Among all reagent concentrations tested, the best inactivation kinetic rate for both bacteria was obtained with 2.5/5 mg L−1 Fe3+-EDDHA/H2O2, reaching > 5-log reduction in 45 min of treatment or 31 Whm-2 of solar UVA-dose. In addition, an inactivation mechanism has been proposed based on changes in membrane permeability when Fe3+-EDDHA is present and on structural damages caused by hydroxyl radicals (HO•) for Fe3+-EDDHA/H2O2/solar process.
Finally, this study highlights the possibility of efficient fresh-cut wastewater treat for further irrigation reuse in arid and semiarid regions using disinfected wastewater that already includes iron fertilizer, reducing water scarcity and with the additional advantage of diminished impact of iron chlorosis in crops.</description><subject>Agrochemicals</subject><subject>Arid regions</subject><subject>Bacteria</subject><subject>Chelates</subject><subject>Chlorosis</subject><subject>Deactivation</subject><subject>Disinfectants</subject><subject>Disinfection</subject><subject>E coli</subject><subject>E. coli O157:H7</subject><subject>Fe3+-EDDHA</subject><subject>Fertilizers</subject><subject>Free radicals</subject><subject>Fresh-cut wastewater</subject><subject>Hydrogen peroxide</subject><subject>Hydroxyl radicals</subject><subject>Inactivation</subject><subject>Iron</subject><subject>Irrigation</subject><subject>Kinetics</subject><subject>Membrane permeability</subject><subject>Microorganisms</subject><subject>Reaction kinetics</subject><subject>Reagents</subject><subject>Reuse</subject><subject>S. enteritidis</subject><subject>Salmonella</subject><subject>Semi arid areas</subject><subject>Semiarid lands</subject><subject>Solar radiation</subject><subject>Structural damage</subject><subject>Wastewater</subject><subject>Wastewater disinfection</subject><subject>Wastewater irrigation</subject><subject>Wastewater reuse</subject><subject>Wastewater treatment</subject><subject>Water scarcity</subject><subject>Water treatment</subject><issn>0926-3373</issn><issn>1873-3883</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kM9qGzEQxkVJIU7aN8hB0EtDWUfSKFrpEgjOXwjkkp6FrB05MutdV9ImtG-Qt44c51wYGJj5ft8wHyEnnM054-psPXdb78pyLhg3cyZr8S9kxnULDWgNB2TGjFANQAuH5CjnNWNMgNAz8rYYNxtMPrqeBkwl9vEfJuoyxRDQl_iCNKZxoP4Ze1eQ_rxB-NVcX13dXZ7SMCb66nLB17pKtIs5Dh9UBaahq6PBlSlV7zwNfVw9lw8k4VSFKxqH6p3iyu2Ab-RrcH3G75_9mPy-uX5a3DUPj7f3i8uHxgPI0jjtlXNea3_eGiaU0lwuVeA-dCZog0ZKBA2qNecIxkkvhQxsCUq1wnVLA8fkx953m8Y_E-Zi1-OUhnrSCiE5ADOaV5Xcq3wac04Y7DbFjUt_LWd2F7pd233odhe6ZbLWDrvYY1g_eImYbPYRB49dTDUX243x_wbvB32N_Q</recordid><startdate>20190915</startdate><enddate>20190915</enddate><creator>Nahim-Granados, S.</creator><creator>Oller, I.</creator><creator>Malato, S.</creator><creator>Sánchez Pérez, J.A.</creator><creator>Polo-Lopez, M.I.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7ST</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>L7M</scope><scope>SOI</scope></search><sort><creationdate>20190915</creationdate><title>Commercial fertilizer as effective iron chelate (Fe3+-EDDHA) for wastewater disinfection under natural sunlight for reusing in irrigation</title><author>Nahim-Granados, S. ; Oller, I. ; Malato, S. ; Sánchez Pérez, J.A. ; Polo-Lopez, M.I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-a8c6aac88c5790266814b6f1cfd9f89e944e3836795e39a4c424f0b36672adb93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Agrochemicals</topic><topic>Arid regions</topic><topic>Bacteria</topic><topic>Chelates</topic><topic>Chlorosis</topic><topic>Deactivation</topic><topic>Disinfectants</topic><topic>Disinfection</topic><topic>E coli</topic><topic>E. coli O157:H7</topic><topic>Fe3+-EDDHA</topic><topic>Fertilizers</topic><topic>Free radicals</topic><topic>Fresh-cut wastewater</topic><topic>Hydrogen peroxide</topic><topic>Hydroxyl radicals</topic><topic>Inactivation</topic><topic>Iron</topic><topic>Irrigation</topic><topic>Kinetics</topic><topic>Membrane permeability</topic><topic>Microorganisms</topic><topic>Reaction kinetics</topic><topic>Reagents</topic><topic>Reuse</topic><topic>S. enteritidis</topic><topic>Salmonella</topic><topic>Semi arid areas</topic><topic>Semiarid lands</topic><topic>Solar radiation</topic><topic>Structural damage</topic><topic>Wastewater</topic><topic>Wastewater disinfection</topic><topic>Wastewater irrigation</topic><topic>Wastewater reuse</topic><topic>Wastewater treatment</topic><topic>Water scarcity</topic><topic>Water treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nahim-Granados, S.</creatorcontrib><creatorcontrib>Oller, I.</creatorcontrib><creatorcontrib>Malato, S.</creatorcontrib><creatorcontrib>Sánchez Pérez, J.A.</creatorcontrib><creatorcontrib>Polo-Lopez, M.I.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>Applied catalysis. B, Environmental</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nahim-Granados, S.</au><au>Oller, I.</au><au>Malato, S.</au><au>Sánchez Pérez, J.A.</au><au>Polo-Lopez, M.I.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Commercial fertilizer as effective iron chelate (Fe3+-EDDHA) for wastewater disinfection under natural sunlight for reusing in irrigation</atitle><jtitle>Applied catalysis. B, Environmental</jtitle><date>2019-09-15</date><risdate>2019</risdate><volume>253</volume><spage>286</spage><epage>292</epage><pages>286-292</pages><issn>0926-3373</issn><eissn>1873-3883</eissn><abstract>[Display omitted]
•Fe3+-EDDHA/H2O2 for wastewater disinfection has been proved under natural sunlight.•Fe3+-EDDHA promotes bacterial inactivation more than photo-Fenton at neutral pH.•Best bacterial inactivation kinetic rate was obtained with 2.5/5 mg L−1 of Fe3+-EDDHA/H2O2.•An inactivation mechanism based on Fe3+-EDDHA interactions with cell-wall has been proposed.
In this study, the use of a commercial iron fertilizer (Fe3+-EDDHA) employed to remediate iron chlorosis in agriculture has been investigated as a promoting bactericidal agent in solar wastewater disinfection processes. Two water matrices: isotonic water (IW) and synthetic fresh-cut wastewater (SFCWW) and two bacterial strains (E. coli O157:H7 and Salmonella enteritidis) have been investigated. The bacterial inactivation rates were compared with other solar processes (solar only, H2O2/solar, Fe3+/solar and Fe3+/H2O2/solar) at neutral pH and at laboratory scale (200 mL) under natural solar radiation. Reagents concentration tested was 0.5, 2.5 and 5 mg L−1 of Fe3+ or Fe3+-EDDHA and 1, 5 and 10 mg L-1 of H2O2.
Microbial inactivation kinetics showed an improvement of the solar disinfection efficiency when using Fe3+-EDDHA/solar in comparison with Fe3+/H2O2/solar (conventional photo-Fenton) in both water matrices. Among all reagent concentrations tested, the best inactivation kinetic rate for both bacteria was obtained with 2.5/5 mg L−1 Fe3+-EDDHA/H2O2, reaching > 5-log reduction in 45 min of treatment or 31 Whm-2 of solar UVA-dose. In addition, an inactivation mechanism has been proposed based on changes in membrane permeability when Fe3+-EDDHA is present and on structural damages caused by hydroxyl radicals (HO•) for Fe3+-EDDHA/H2O2/solar process.
Finally, this study highlights the possibility of efficient fresh-cut wastewater treat for further irrigation reuse in arid and semiarid regions using disinfected wastewater that already includes iron fertilizer, reducing water scarcity and with the additional advantage of diminished impact of iron chlorosis in crops.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apcatb.2019.04.041</doi><tpages>7</tpages></addata></record> |
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| subjects | Agrochemicals Arid regions Bacteria Chelates Chlorosis Deactivation Disinfectants Disinfection E coli E. coli O157:H7 Fe3+-EDDHA Fertilizers Free radicals Fresh-cut wastewater Hydrogen peroxide Hydroxyl radicals Inactivation Iron Irrigation Kinetics Membrane permeability Microorganisms Reaction kinetics Reagents Reuse S. enteritidis Salmonella Semi arid areas Semiarid lands Solar radiation Structural damage Wastewater Wastewater disinfection Wastewater irrigation Wastewater reuse Wastewater treatment Water scarcity Water treatment |
| title | Commercial fertilizer as effective iron chelate (Fe3+-EDDHA) for wastewater disinfection under natural sunlight for reusing in irrigation |
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