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dc.contributor.authorCruz, Dafne
dc.contributor.authorPimentel, Marcio
dc.contributor.authorRusso, Ana
dc.contributor.authorCabral, Wilson
dc.date.accessioned2024-10-15T21:36:11Z
dc.date.available2024-10-15T21:36:11Z
dc.date.issued2020
dc.identifier.issn2073-4441
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85081117198&doi=10.3390%2fw12020572&partnerID=40&md5=2c5e3041d2c72a7b3374a81bc9b29271
dc.identifier.urihttps://repositorio.maua.br/handle/MAUA/1349
dc.description.abstractMost of the water supplied in Brazil comes from water streams that may have higher values for apparent color than turbidity. Treatability trials were performed for color and turbidity removal to evaluate the advantages of coagulation during the charge neutralization mechanism when compared to sweep flocculation for water with those characteristics. There were three types of trials: conventional Jar Test with raw water, with and without filtration, and in a pilot Water Treatment Plant, direct downward filtration, with synthetic water. Auxiliary equipment such as Continuous Flocculation Monitoring Equipment (CFME) and image analysis were used to evaluate the growth of flocs. In the Jar Tests experiments, similar levels of color (61.49%) and turbidity (61.30%) removal were observed, with a lower dosage of coagulant (46 mg/L) in the charge neutralization mechanism compared to the ones with sweep flocculation (58.22% for color and 54.73% for turbidity removal with 52 mg/L of aluminium sulfate). Similar results were found on pilot plant. At filtration rates of 180 and 300 m3 m-2 day-1, sweep flocculation mechanism had shorter filtration cycle (<5 m3) compared to other mechanisms. Therefore, a change in the operation of Water Treatment plants that use a coagulant dosage associated with sweep flocculation can bring advantages such as the reduction of coagulant consumption and sludge productions, as well as the increase of chlorine disinfection and filtration cycles. © 2020 by the authors.en
dc.description.sponsorshipDCTA
dc.description.sponsorshipDepartamento de Ciência e Tecnologia Aeroespacial
dc.description.sponsorshipPROAP
dc.description.sponsorshipCAPES
dc.languageInglêspt_BR
dc.publisherMDPI AGen
dc.relation.ispartofWater (Switzerland)
dc.rightsAcesso Aberto
dc.sourceScopusen
dc.subjectApparent coloren
dc.subjectCharge neutralizationen
dc.subjectCoagulation mechanismsen
dc.subjectFlocculation indexen
dc.subjectTreatability trialsen
dc.subjectBrazilen
dc.subjectAluminum sulfateen
dc.subjectAuxiliary equipmenten
dc.subjectChemical water treatmenten
dc.subjectCoagulationen
dc.subjectColoren
dc.subjectFlocculationen
dc.subjectOstwald ripeningen
dc.subjectPilot plantsen
dc.subjectSulfur compoundsen
dc.subjectTurbidityen
dc.subjectWater filtrationen
dc.subjectWater treatment plantsen
dc.subjectAluminium sulfatesen
dc.subjectChlorine disinfectionen
dc.subjectCoagulation mechanismen
dc.subjectFlocculation mechanismsen
dc.subjectMonitoring equipmenten
dc.subjectTurbidity removalen
dc.subjectcoagulationen
dc.subjectcoloren
dc.subjectconcentration (composition)en
dc.subjectequipmenten
dc.subjectflocculationen
dc.subjectindex methoden
dc.subjectinorganic compounden
dc.subjectneutralizationen
dc.subjectsulfateen
dc.subjectturbidityen
dc.subjectChemicals removal (water treatment)en
dc.titleCharge neutralization mechanism efficiency in water with high color turbidity ratio using aluminium sulfate and flocculation indexen
dc.typeArtigo de Periódicopt_BR
dc.identifier.doi10.3390/w12020572
dc.description.affiliationCivil Engineering Division, Instituto Tecnológico de Aeronáutica, São José dos Campos, 12228-900, Brazil
dc.description.affiliationCentro Universitário, Instituto Mauá de Tecnologia, São Caetano do Sul, 09580-900, Brazil
dc.identifier.scopus2-s2.0-85081117198
dc.citation.issue2
dc.citation.volume12


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