Diseño de un sistema de tratamiento de aguas residuales domésticas para la parroquia matriz Guamote, cantón Guamote, provincia de Chimborazo.

Abstract

The desing of a treatment system for domestic wastewater Guamote First Parish in order to reduce pollution of the Rio Guamote was performed. To develop this study composite sampling water for characterization was performed. Analyses of wastewater determined that the Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), fecal coliforms, and total sulfur nitrogen are variables analysis for the desing of the treatment system that are outside the rules force in the country. To remove more pollutants treatment system designed to 15 years for a population of 3311 inhabitants and a desing flow of 1477,44 m xxi

3 /day, given as a grid system operations, a setting tank Imhoff was calculated and a anaerobic upflow filter with a compound gravel filter bed 0,80 m and 0,50 m activated carbon thick. Once the characterization of the treated water the following results were obtained; pH 7,42, 140 mg/L Chemical Oxygen Demand, 98 mg/L Biochemical Oxygen Demand, 4,16 mg/L Total nitrogen <1 CFU/100ml fecal coliforms and 0,063 mg/L Sulfide; these operations will be obtained an organic and microbiological reduction of 87,87% so and concluded that the established parameters complies with environmental regulations. It is recommended to Municipal GAD Guamote implement domestic treatment system to comply with the parameters established in the Unified Text of Secondary Legislation Environment Ministry wastewater.