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Nos ultimos anos, a preocupacao com as questoes ambientais vem sendo bastante discutidas, onde merece destaque, o descarte indevido do esgoto domestico no meio ambiente, portanto o presente estudo objetivou realizar a caracterizacao fisico-quimica e microbiologica do esgoto descartado no solo, no Centro de Ciencias e Tecnologia da Universidade Estadual da Paraiba, campus de Campina Grande – PB. Para tanto foram desenvolvidas analises fisico-quimicas, tais como pH, Fosforo Total, DBO, DQO, Nitratos, Nitritos, Nitrogenio Amoniacal, Orto-Fosfatos e Alcalinidade, bem como analise microbiologica (coliformes). Observou-se que o efluente na unidade em questao nao recebe tratamento para seu descarte, sendo identificadas caracteristicas fisico-quimicas e microbiologicas de esgoto in natura . Faz-se necessario desta forma, investimentos em analises periodicas para assim realizar um tratamento adequado ao efluente visando-se reduzir os riscos ambientais e de saude publica. Apos os resultados das analises, foi proposto, alem do tratamento preliminar, um tratamento biologico para o efluente, do tipo, lagoa facultativa primaria seguida de duas lagoas de maturacao, onde a eficiencia do tratamento nos parâmetros analisados se enquadra aos padroes estabelecidos pelo CONAMA 430/2011, na qual o efluente pos - tratado poderia ser reutilizado para fins menos nobres, destinando a agua potavel para atividades que requerem uma qualidade melhor. Physicochemical and microbiological characterization of wasterwater of the UEPB with proposed of treatment for reuse purposes Abstract : In recent years, concern about environmental issues has been widely discussed, which deserves mention the improper disposal of domestic sewage into the environment, so this study aimed to perform the physicochemical and microbiological sewage discarded the soil, in the Science and Technology Center of the State University of Paraiba, campus of Campina Grande - PB. Therefore, we developed physical-chemical analysis such as pH, Total Phosphorus, BOD, COD, Nitrate, Nitrite, Ammonia Nitrogen, Orto-Phosphates and alkalinity, as well as microbiological analysis (coliforms). It was noted that the effluent in the unit in question does not receive treatment for their disposal, identified physical, chemical and microbiological characteristics of raw sewage. It is necessary therefore, investment in periodic reviews thus to carry out an appropriate treatment to effluent aiming to reduce environmental risks and public health. After the analysis results, it was proposed, in addition to preliminary treatment, a biological treatment for the effluent, type, primary facultative pond followed by two ponds maturation, in which the treatment efficiency in the analyzed parameters falls within the standards set by CONAMA 430/2011 in which the effluent post-treaty could be reused for less noble purposes, intended to clean water for activities that require a better quality .

Caracterização físico-química e microbiológica do esgoto da UEPB com proposta de tratamento para fins de reuso