2017-03-202017-03-202013-10-04FARIAS, Flavia da Silva. O balanço de massa das unidades componentes de uma estação de tratamento de esgoto e a utilização da estatística multivariada como ferramenta de verificação do comportamento físico, químico, bacteriológico e de metais no esgoto bruto e tratado. Estudo de caso: estação de tratamento de esgoto doméstico – ETE Sideral - Belém - PA. 2013. 122 f. Dissertação (Mestrado em Engenharia Civil) - Programa de Pós-Graduação em Engenharia Civil, Instituto de Tecnologia, Universidade Federal do Pará, Belém, 2013. Disponível em: http://repositorio.ufpa.br/jspui/handle/2011/7914. Acesso em:.https://repositorio.ufpa.br/handle/2011/7914The mass balance of the component units of a wastewater sewage treatment and use of multivariate statistics as a tool for verifying the behavior of raw sewage and treated, was implemented in ETE Sidereal Municipality of Belem do Para in Brazil. This study observed the entire flowchart constituent of the station that is designed to receive a maximum flow of raw sewage of 73 l / s. and now serves a flow of only 1.7 l / so that decreases in 96% of the station was designed, realizing then that today the Sidereal ETE is oversized. In verifying the constituent physical parts of the station there were not in compliance measures that have been suggested in the executive project and were perceived as "in situ". In the mass held for three types of flows: maximum (73 l / s) averaged 43 l / if current 1.7 l / s realized that the decrease in attendance constituent units of the system decreases somewhere around 97.5% the volume to which the components are designed for and found in the Sewage Treatment Station Sidereal. In the characterization of the metals present in the raw sewage treated and it was found that the Principal Component Analysis of the boron (B) (63.5%) and followed by barium (Ba) with (21.9%) justify 84.48% the coefficient of variation that determine how prevalent metal in the influent. In Effluent Boron (B) showed a coefficient of variation of 73.7% which justifies as the main component in the influent of WWTP. In the characterization of metals in the sludge was observed that with a percentage of 98.8% the Barium (Ba) is the main element found. The results obtained with principal component analysis to characterize the physic-chemical and bacteriological analyzes of raw sewage and treated ETE observed that the variable "total COD" is positively related to component BOD and negatively correlated with the Total Alkalinity . Regarding physic-chemical and bacteriological, high levels of BOD, Fecal coliform, TSS and VSS, from the releases of effluents, making present the highest concentrations of organic load remaining.Acesso AbertoBalanço de massaEfluentes domésticosEsgotosTratamento de esgotoEstatística multivariadaEstação de Tratamento de Esgoto Doméstico – ETE SideralMass balanceDomestic effluentsSewerSewage treatmentMultivariate statisticsDomestic Sewage Treatment Station - ETE SideralO balanço de massa das unidades componentes de uma estação de tratamento de esgoto e a utilização da estatística multivariada como ferramenta de verificação do comportamento físico, químico, bacteriólogico e de metais no esgoto bruto e tratado. Estudo de caso: estação de tratamento de esgoto doméstico – ETE Sideral - Belém - PAThe mass balance of the component units of a sewage treatment plant and the use of multivariate statistics as a tool to verify the physical, chemical, bacteriological and metal behavior in raw and treated sewage. Case study: domestic sewage treatment plant - ETE Sideral - Belém - PADissertaçãoCNPQ::ENGENHARIAS::ENGENHARIA CIVILCNPQ::ENGENHARIAS::ENGENHARIA SANITARIA