Disposição de resíduo de ETA em sistema de tratamento aeróbio de esgoto seguido de lagoa de sedimentação
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Data
2014-12
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Resumo
This work was carried out in an aerobic pilot plant consisted of modules, each one with an aerated
lagoon in series with a sedimentation lagoon, both with hydraulic characteristics similar to
the city wastewater treatment plant. Module 1 received water treatment residue besides sewage
while module 1 received only sewage. Through the use of statistics methods with significance
level of 10 %, it was observed that the module 1, which received the water treatment residue
produced a better effluent quality in terms of COD, TSS, turbidity, apparent color, nitrite, TNK and
total phosphorus. Other parameters investigated in the effluent of module 1 also resulted better,
but with a higher level of significance, except for chlorite, nitrate and conductivity, which practically
remained unchanged.
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Palavras-chave
Resíduos de ETA, Lodo, Resíduo, Estação de tratamento de água, Water treatment residue, Sludge, Residue, Water treatment plant
Citação
SCALIZE, Paulo Sergio; BERNARDO, Luiz Di; SOARES, Lorena Acelina; BAUMANN, Luis Rodrigo Fernandes. Disposição de resíduo de ETA em sistema de tratamento aeróbio de esgoto seguido de lagoa sedimentada. Revista DAE, São Paulo, v. 62, n. 197, p. 72-86, set./dez. 2014.