Desinfecção de efluente anaeróbio com o uso de ozônio/cloro

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dc.contributor.authorda Silva, Gustavo Henrique Ribeiro [UNESP]
dc.contributor.authorDaniel, Luiz Antonio
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2018-12-11T16:39:15Z
dc.date.available2018-12-11T16:39:15Z
dc.date.issued2015-01-01
dc.description.abstractThe main purpose of this research was to study the oxidation process, the coliform inactivation effectiveness, and the formation of ozone disinfection byproducts, which were associated with disinfection of the anaerobic sanitary wastewater effluent from a UASB reactor. Such event was performed with ozone applied at doses of 5.0 mg.O<inf>3</inf>.L<sup>-1</sup>+ 10 mg.Cl<inf>2</inf>.L<sup>-1</sup> (essay 1); 8.0 mg.O<inf>3</inf>.L<sup>-1</sup> + 20 mg.Cl<inf>2</inf>.L<sup>-1</sup> (essay 2), and 10.0 mg.O<inf>3</inf>.L<sup>-1</sup> + 30 mg.Cl<inf>2</inf>.L-1 (essay 3). The wastewater used in this research was generated at the Wastewater Treatment Plant of Universidade de São Paulo, in Brazil. The total mean decreases of the chemical oxygen demand for ozonized/ chlorinated effluents were 9, 32 and 37% for assays 1, 2 and 3 respectively. The total coliform inactivation varied from >5,7 to 6,4 log<inf>10</inf>and >5.8 to >6.0 log<inf>10</inf> for Escherichia coli. The formation of aldehydes did not suffer any significant changes (p=0.05) for dosages and contact times applied after ozonation/chlorination assays.en
dc.description.affiliationDepartamento de Engenharia Civil e Ambiental – Saneamento, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP)
dc.description.affiliationDepartamento de Hidráulica e Saneamento, Escola de Engenharia de São Carlos, Universidade de São Paulo (USP)
dc.description.affiliationUnespDepartamento de Engenharia Civil e Ambiental – Saneamento, Universidade Estadual Paulista “Júlio de Mesquita Filho” (UNESP)
dc.format.extent279-288
dc.identifierhttp://dx.doi.org/10.1590/S1413-41522015020000083662
dc.identifier.citationEngenharia Sanitaria e Ambiental, v. 20, n. 2, p. 279-288, 2015.
dc.identifier.doi10.1590/S1413-41522015020000083662
dc.identifier.fileS1413-41522015000200279.pdf
dc.identifier.issn1413-4152
dc.identifier.scieloS1413-41522015000200279
dc.identifier.scopus2-s2.0-84941782917
dc.identifier.urihttp://hdl.handle.net/11449/168016
dc.language.isopor
dc.relation.ispartofEngenharia Sanitaria e Ambiental
dc.relation.ispartofsjr0,218
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectAnaerobic wastewater
dc.subjectByproducts
dc.subjectChlorine
dc.subjectDisinfection
dc.subjectMunicipal effluent
dc.subjectOzone
dc.titleDesinfecção de efluente anaeróbio com o uso de ozônio/cloropt
dc.title.alternativeAnaerobic effluent disinfection using ozone/chlorineen
dc.typeArtigo

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