Análise de localização de emissários de efluentes com uso de modelagem de qualidade de água e otimização: estudo de caso
Nenhuma Miniatura disponível
Data
2018-09-24
Autores
Santos, Alinie Rossi dos
Título da Revista
ISSN da Revista
Título de Volume
Editor
Universidade Federal do Espírito Santo
Resumo
The present study addresses the choice of more suitable sites for effluent discharge in river basin watercourses. This study aims to analyze the influence of effluent emissaries location on the water resources quality, considering violations of standards, and efficiencies required for treatment systems within a river basin. Pardo river basin, in Espirito Santo, was chosen as the study area, parameters considered were Dissolved Oxygen and Biochemical Oxygen Demand. Among the study tools, it was used a water quality model, implemented in Matlab, which reproduces mathematical formulations and conceptual and computational structures of QUALUFMG model, and the Genetic Algorithm, as optimization technique. In optimization method application, two objective functions were considered, minimizing the sum of efficiencies and minimizing inequity among treatment systems. For the location analysis, a new effluent emissary, with two possible discharge flows, had its location changed along the main river. Effluent location influence analysis was carried out by verifying the variability: sums and the number of stretches presenting violations to environmental standards, efficiencies required to treat the new effluent and the set of effluents existing in the basin, considering different positions to the new effluent discharge point. Results confirm the great importance of effluent discharge sites' adequate location for compliance with water quality standards for receiving watercourses and required treatment efficiencies. Simulations and optimizations such as those performed in the present study may help in choosing points at which effluents discharge have lower impacts on the quality of receiving water bodies and require smaller treatment efficiencies in river basins.
Descrição
Palavras-chave
Effluents discharge location , Water quality standards , Efficiency of wastewater treatment plants , Genetic algorithm , Localização de lançamentos de efluentes , Padrões de qualidade de água , Eficiências de sistemas de tratamento
Citação
SANTOS, Alinie Rossi dos. Análise de localização de emissários de efluentes com uso de modelagem de qualidade de água e otimização: estudo de caso. 2018. 155 f. Dissertação (Mestrado em Engenharia Ambiental) - Universidade Federal do Espírito Santo, Centro Tecnológico, Vitória, 2018.