Publicação: Tratamento de esgoto e produção de água de reúso com o emprego de filtros de areia
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Assoc Brasileira Engenharia Sanitaria Ambiental
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In this research it was studied a system composed by the anaerobic filter combined with a sand filter for the wastewater treatment. For this, three anaerobic filters were operated with hydraulic detention time of nine hours which had the effluent disposed over four sand filters in different frequencies of application. on the first sand filter, 50 L.m(-2) were applied once a day. on the second, the third and the fourth filters, the same load was disposed in twice, three and four times a day, distributed between 9 a. m. and 4 p. m. The system presented a final effluent suitable for the COD and BOD legislation maximum limit to be discharged into water body (Decreto Paulista no 8,468/1976), showing the viability of dispose a higher quantity of effluent then the one suggested by NBR 13969/1997, which guides the constructive aspects for this kind of treatment.
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wastewater, anaerobic, sand filter, reuse
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Português
Como citar
Engenharia Sanitaria e Ambiental, v. 17, n. 3, p. 287-294, 2012.
Engenharia Sanitaria E Ambiental. Rio de Janeiro: Assoc Brasileira Engenharia Sanitaria Ambiental, v. 17, n. 3, p. 287-294, 2012.
Engenharia Sanitaria E Ambiental. Rio de Janeiro: Assoc Brasileira Engenharia Sanitaria Ambiental, v. 17, n. 3, p. 287-294, 2012.
