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Article . 2021 . Peer-reviewed
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Revista DAE
Article . 2021
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Decaimento bacteriano em lagoas de polimento tratando efluentes de reator UASB

Authors: Mariana Medeiros Batista; George Rodrigues Lambais; Silvânia Lucas dos Santos; Adrianus van Haandel;

Decaimento bacteriano em lagoas de polimento tratando efluentes de reator UASB

Abstract

Este estudo objetivou desenvolver expressões para determinar o valor da constante de decaimento em lagoas de polimento tratando efluente de reator UASB em função da profundidade da lagoa e da temperatura, bem como avaliou a influência do regime hidráulico sobre a eficiência da remoção bacteriana, visando estimar o tempo de permanência necessário para obter um efluente com qualidade higiênica para uso na irrigação irrestrita. A remoção bacteriana foi avaliada, em termos de E.coli, em 06 lagoas com profundidades variando entre 0,2 a 2,8 m. Pôde-se verificar que a constante de decaimento variou de modo inversamente proporcional à profundidade das lagoas. Além disso, o decaimento bacteriano se desenvolveu, em boa aproximação, conforme um processo de primeira ordem, tendo, portanto, uma vantagem considerável nas unidades operadas em regime de bateladas sequenciais (onde o decaimento é inversamente exponencial) sobre as lagoas de fluxo contínuo (onde o decaimento é inversamente hiperbólico). Palavras-chave: Tratamento de esgoto. Qualidade higiênica. Coliformes Termotolerantes. Cinética de decaimento.

Keywords

Environmental sciences, coliformes termotolerantes, tratamento de esgoto, qualidade higiênica, Environmental engineering, cinética de decaimento, GE1-350, TA170-171, Environmental technology. Sanitary engineering, TD1-1066

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Top 10%
Average
Top 10%
gold