Disinfection of anaerobic/aerobic sanitary effluent using ozone: Formaldehyde formation
The scarcity of natural resources supports the perspective of reusing treated effluents, mainly in agriculture, where the reduction in the demand of drinking water and the provision of alternative sources for nutrients are important. However, the process of disinfection, essential to the protection...
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Veröffentlicht in: | Water environment research 2019-09, Vol.91 (9), p.898-905 |
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description | The scarcity of natural resources supports the perspective of reusing treated effluents, mainly in agriculture, where the reduction in the demand of drinking water and the provision of alternative sources for nutrients are important. However, the process of disinfection, essential to the protection of human health, generates deleterious by‐products to both humans and the environment. This research aimed to evaluate the use of ozone as a disinfectant for wastewater treated by anaerobic/aerobic baffled reactor for later agricultural reuse. Disinfection tests were conducted by applying ozone, in batch, with applied dosages of 5, 8, and 10 mg O3/L and contact time of 7 min. All the tests led to formaldehyde formation, therefore within the standard suggested by the World Health Organization. For the indicators total coliforms and Escherichia coli, the ozone was considered effective, satisfying the criteria for agricultural reuse according to the World Health Organization of a dosage of 8 mg O3/L.
Practitioner Points
Proposal of decentralized system (anaerobic/aerobic baffled reactor + ozone disinfection) for effluent treatment for agricultural reuse.
Formation of formaldehyde dependent on applied ozone dose.
Demand of ozone consumed preferentially for the formation of by‐products, with low removal of COD.
High formaldehyde formation (high ozone demand) can impair the inactivation of pathogens.
System promotes effluent that meets the standards established by the World Health Organization (WHO) for agricultural reuse.
Disinfection of anaerobic/aerobic sanitary effluent using ozone: Formaldehyde formation versus water reuse. |
doi_str_mv | 10.1002/wer.1128 |
format | Article |
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Practitioner Points
Proposal of decentralized system (anaerobic/aerobic baffled reactor + ozone disinfection) for effluent treatment for agricultural reuse.
Formation of formaldehyde dependent on applied ozone dose.
Demand of ozone consumed preferentially for the formation of by‐products, with low removal of COD.
High formaldehyde formation (high ozone demand) can impair the inactivation of pathogens.
System promotes effluent that meets the standards established by the World Health Organization (WHO) for agricultural reuse.
Disinfection of anaerobic/aerobic sanitary effluent using ozone: Formaldehyde formation versus water reuse.</description><identifier>ISSN: 1061-4303</identifier><identifier>EISSN: 1554-7531</identifier><identifier>DOI: 10.1002/wer.1128</identifier><identifier>PMID: 31004526</identifier><language>eng</language><publisher>United States: Blackwell Publishing Ltd</publisher><subject>Agricultural wastes ; Anaerobic treatment ; anaerobic/aerobic baffled reactor ; Coliforms ; Deactivation ; Demand ; Disinfectants ; Disinfection ; Disinfection & disinfectants ; Dosage ; Drinking water ; E coli ; Effluent standards ; Effluent treatment ; Effluents ; Formaldehyde ; Health ; Inactivation ; Natural resources ; Nutrients ; Organizations ; Ozone ; Pathogens ; Reactors ; Reuse ; Ultrasonic testing ; Wastewater ; Wastewater treatment</subject><ispartof>Water environment research, 2019-09, Vol.91 (9), p.898-905</ispartof><rights>2019 Water Environment Federation</rights><rights>2019 Water Environment Federation.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4028-92cdef99f2c022bde1efdb068e2e2857e4fae777d1eb000c7b0ded66f02a31323</citedby><cites>FETCH-LOGICAL-c4028-92cdef99f2c022bde1efdb068e2e2857e4fae777d1eb000c7b0ded66f02a31323</cites><orcidid>0000-0003-1767-3298</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fwer.1128$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fwer.1128$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31004526$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Slompo, Nathalie Dyane Miranda</creatorcontrib><creatorcontrib>Silva, Gustavo Henrique Ribeiro</creatorcontrib><title>Disinfection of anaerobic/aerobic sanitary effluent using ozone: Formaldehyde formation</title><title>Water environment research</title><addtitle>Water Environ Res</addtitle><description>The scarcity of natural resources supports the perspective of reusing treated effluents, mainly in agriculture, where the reduction in the demand of drinking water and the provision of alternative sources for nutrients are important. However, the process of disinfection, essential to the protection of human health, generates deleterious by‐products to both humans and the environment. This research aimed to evaluate the use of ozone as a disinfectant for wastewater treated by anaerobic/aerobic baffled reactor for later agricultural reuse. Disinfection tests were conducted by applying ozone, in batch, with applied dosages of 5, 8, and 10 mg O3/L and contact time of 7 min. All the tests led to formaldehyde formation, therefore within the standard suggested by the World Health Organization. For the indicators total coliforms and Escherichia coli, the ozone was considered effective, satisfying the criteria for agricultural reuse according to the World Health Organization of a dosage of 8 mg O3/L.
Practitioner Points
Proposal of decentralized system (anaerobic/aerobic baffled reactor + ozone disinfection) for effluent treatment for agricultural reuse.
Formation of formaldehyde dependent on applied ozone dose.
Demand of ozone consumed preferentially for the formation of by‐products, with low removal of COD.
High formaldehyde formation (high ozone demand) can impair the inactivation of pathogens.
System promotes effluent that meets the standards established by the World Health Organization (WHO) for agricultural reuse.
Disinfection of anaerobic/aerobic sanitary effluent using ozone: Formaldehyde formation versus water reuse.</description><subject>Agricultural wastes</subject><subject>Anaerobic treatment</subject><subject>anaerobic/aerobic baffled reactor</subject><subject>Coliforms</subject><subject>Deactivation</subject><subject>Demand</subject><subject>Disinfectants</subject><subject>Disinfection</subject><subject>Disinfection & disinfectants</subject><subject>Dosage</subject><subject>Drinking water</subject><subject>E coli</subject><subject>Effluent standards</subject><subject>Effluent treatment</subject><subject>Effluents</subject><subject>Formaldehyde</subject><subject>Health</subject><subject>Inactivation</subject><subject>Natural resources</subject><subject>Nutrients</subject><subject>Organizations</subject><subject>Ozone</subject><subject>Pathogens</subject><subject>Reactors</subject><subject>Reuse</subject><subject>Ultrasonic testing</subject><subject>Wastewater</subject><subject>Wastewater treatment</subject><issn>1061-4303</issn><issn>1554-7531</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kE1Lw0AQhhdRbK2Cv0AWvHhJO7v52MSb1FaFgiBKj0uSndWUNFt3E0r99W5s9eZpZuCZZ5iXkEsGYwbAJ1u0Y8Z4ekSGLI6jQMQhO_Y9JCyIQggH5My5FQDjHKJTMgj9VhTzZEiW95WrGo1lW5mGGk3zJkdriqqcHCp1eVO1ud1R1LrusGlp51feqfkyDd7SubHrvFb4sVNIdT_0qnNyovPa4cWhjsjbfPY6fQwWzw9P07tFUEbA0yDjpUKdZZqXwHmhkKFWBSQpcuRpLDDSOQohFMMCAEpRgEKVJBp4HrKQhyNyvfdurPns0LVyZTrb-JOS8ywBEJlgnrrZU6U1zlnUcmOrtf9JMpB9gtInKPsEPXp1EHbFGtUf-BuZB4I9sK1q3P0rksvZy4_wG192ezc</recordid><startdate>201909</startdate><enddate>201909</enddate><creator>Slompo, Nathalie Dyane Miranda</creator><creator>Silva, Gustavo Henrique Ribeiro</creator><general>Blackwell Publishing Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7QO</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H97</scope><scope>K9.</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0003-1767-3298</orcidid></search><sort><creationdate>201909</creationdate><title>Disinfection of anaerobic/aerobic sanitary effluent using ozone: Formaldehyde formation</title><author>Slompo, Nathalie Dyane Miranda ; Silva, Gustavo Henrique Ribeiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4028-92cdef99f2c022bde1efdb068e2e2857e4fae777d1eb000c7b0ded66f02a31323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Agricultural wastes</topic><topic>Anaerobic treatment</topic><topic>anaerobic/aerobic baffled reactor</topic><topic>Coliforms</topic><topic>Deactivation</topic><topic>Demand</topic><topic>Disinfectants</topic><topic>Disinfection</topic><topic>Disinfection & disinfectants</topic><topic>Dosage</topic><topic>Drinking water</topic><topic>E coli</topic><topic>Effluent standards</topic><topic>Effluent treatment</topic><topic>Effluents</topic><topic>Formaldehyde</topic><topic>Health</topic><topic>Inactivation</topic><topic>Natural resources</topic><topic>Nutrients</topic><topic>Organizations</topic><topic>Ozone</topic><topic>Pathogens</topic><topic>Reactors</topic><topic>Reuse</topic><topic>Ultrasonic testing</topic><topic>Wastewater</topic><topic>Wastewater treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Slompo, Nathalie Dyane Miranda</creatorcontrib><creatorcontrib>Silva, Gustavo Henrique Ribeiro</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Water environment research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Slompo, Nathalie Dyane Miranda</au><au>Silva, Gustavo Henrique Ribeiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Disinfection of anaerobic/aerobic sanitary effluent using ozone: Formaldehyde formation</atitle><jtitle>Water environment research</jtitle><addtitle>Water Environ Res</addtitle><date>2019-09</date><risdate>2019</risdate><volume>91</volume><issue>9</issue><spage>898</spage><epage>905</epage><pages>898-905</pages><issn>1061-4303</issn><eissn>1554-7531</eissn><abstract>The scarcity of natural resources supports the perspective of reusing treated effluents, mainly in agriculture, where the reduction in the demand of drinking water and the provision of alternative sources for nutrients are important. However, the process of disinfection, essential to the protection of human health, generates deleterious by‐products to both humans and the environment. This research aimed to evaluate the use of ozone as a disinfectant for wastewater treated by anaerobic/aerobic baffled reactor for later agricultural reuse. Disinfection tests were conducted by applying ozone, in batch, with applied dosages of 5, 8, and 10 mg O3/L and contact time of 7 min. All the tests led to formaldehyde formation, therefore within the standard suggested by the World Health Organization. For the indicators total coliforms and Escherichia coli, the ozone was considered effective, satisfying the criteria for agricultural reuse according to the World Health Organization of a dosage of 8 mg O3/L.
Practitioner Points
Proposal of decentralized system (anaerobic/aerobic baffled reactor + ozone disinfection) for effluent treatment for agricultural reuse.
Formation of formaldehyde dependent on applied ozone dose.
Demand of ozone consumed preferentially for the formation of by‐products, with low removal of COD.
High formaldehyde formation (high ozone demand) can impair the inactivation of pathogens.
System promotes effluent that meets the standards established by the World Health Organization (WHO) for agricultural reuse.
Disinfection of anaerobic/aerobic sanitary effluent using ozone: Formaldehyde formation versus water reuse.</abstract><cop>United States</cop><pub>Blackwell Publishing Ltd</pub><pmid>31004526</pmid><doi>10.1002/wer.1128</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-1767-3298</orcidid></addata></record> |
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subjects | Agricultural wastes Anaerobic treatment anaerobic/aerobic baffled reactor Coliforms Deactivation Demand Disinfectants Disinfection Disinfection & disinfectants Dosage Drinking water E coli Effluent standards Effluent treatment Effluents Formaldehyde Health Inactivation Natural resources Nutrients Organizations Ozone Pathogens Reactors Reuse Ultrasonic testing Wastewater Wastewater treatment |
title | Disinfection of anaerobic/aerobic sanitary effluent using ozone: Formaldehyde formation |
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