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Type: Artigo de periódico
Title: Post-treatment Of Anaerobic Filters Operated With Low Hydraulic Detention Time Through Overland Flow System [pós-tratamento De Efluente De Filtros Anaeróbios Operados Com Baixo Tempo De Detenção Hidráulica Por Escoamento Superficial No Solo]
Author: Tonetti A.L.
Filho B.C.
Stefanutti R.
Abstract: In this investigation the post-treatment of anaerobic filters operated with low hydraulic retention time (HRT) through overland flow system was studied. For that, it was built four reactors whose volume was 500 L, filled up with bamboos rings and a ramp with 40.0 m of length and inclination of 3.5%, covering with Tifton 85 (Cynodon sp) grass. It was evaluated the wastewater treatment from Limeira city (SP), operating anaerobic filters with 3 hour HRT and the effluent application in superficial drain of 0.10; 0.20; 0.30 e 0.40 m3.h-1.m-1 rates. In these operational conditions, the effluent was suitable to be discharged into receiving waters until the rate application of 0.20 m3.h-1.m-1. Over this value, there was a worse final quality in DBO and phosphorus concentration.
Citation: Engenharia Sanitaria E Ambiental. , v. 17, n. 1, p. 7 - 12, 2012.
Rights: aberto
Identifier DOI: 
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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