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- W1569400503 abstract "As estacoes de tratamento de esgoto sao reconhecidas como medidas que trazem resultados positivos no que tange a qualidade das aguas dos rios que recebem seus efluentes. O presente estudo reporta os efeitos do lancamento de efluentes de uma estacao de tratamento de esgoto sobre a condutividade eletrica (CE), o carbono orgânico dissolvido (COD) e o oxigenio dissolvido (OD) do ribeirao Piracicamirim situado em Piracicaba - SP. Para tanto, foram comparados dois pontos de amostragem no ribeirao, um situado a montante do recebimento das aguas da estacao e o outro a jusante. Os resultados indicaram que as variaveis CE e COD a jusante tiveram aumento significativo. Um estudo realizado 10 anos antes nao havia detectado tal alteracao. Este fato pode indicar que a estacao esta perdendo sua eficiencia de tratamento. Palavras-chave: recursos hidricos, impacto, poluicao orgânica, tratamento de agua. EFFLUENT OF SEWAGE TREATMENT FACILITY: EFFECTS ON WATER QUALITY OF A SMALL STREAM ABSTRACT Sewage treatment facilities are considered as positive measures regarding the water quality of rivers that receive the treated effluent. The present study reports the effect of the effluent discharge on the electrical conductivity (EC), dissolved organic carbon (DOC) and dissolved oxygen (DO) of the Piracimirim Stream located in Piracicaba, Sao Paulo State, Brazil. For both, two sampling points were established in upstream and downstream relative to the effluent discharge point. By comparing these two points, it is shown that EC as well as DOC presented a significant increase. These findings were different from those ones made 10 years earlier for the same stream and they may indicate the decline of treatment station efficiency. Keywords: water resources, impact, organic pollution, water treatment. DOI: http://dx.doi.org/10.14583/2318-7670.v03n02a10" @default.
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- W1569400503 date "2015-06-25" @default.
- W1569400503 modified "2023-10-17" @default.
- W1569400503 title "EFLUENTES DE ESTAÇÃO DE TRATAMENTO DE ESGOTO: EFEITO SOBRE À QUALIDADE DE ÁGUA DE UM RIO DE PEQUENO PORTE" @default.
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- W1569400503 doi "https://doi.org/10.31413/nativa.v3i2.2062" @default.
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