Diseño de una Planta de Tratamiento de Agua Potable en la Comunidad de Pusniag San Patricio, Parroquia Ilapo del Cantón Guano

Abstract

A potable water treatment syste m was designed for Pusniag San Patricio, parroquia Ilapo in the town of Guano, in the province of Chimborazo in order to improve quality life of habitants. Physical - Chemical and microbiological analysis allowed determining the raw water quality by the mean s of watershed samples, household water storage for month. The results obt a ined were compared with Ecuadorian Technical Norm and these presented excess of iron, turbidity, total and fecal coliforms. It was determined that application of Aluminiun Polychlor ide and addition of Calcium Hypochlorite is the best reduction treat ment of Chemical substances and disinfestation of microo r ganism according to treatment Jarras test. Based on results obtained it was determined that the desing has to have: aeration towe r, rectangular overflow, hydraulic flocculator of horizontal flow, a laminar sedimentation, a sand quick filter and chlorination and water storage tank. It is concluded that treating a flow of 1,59 L/s of water is necessary an aeration tower, are 3 m 2 hei ght : 2 m, and three trays; coagulation with Aluminium Polychloride; a hydraulic flocculator of horizontal flow, large: 10,05 m, wide: 4 m; deep: 3 m; a sand quick filter, area: 1,14 m 2 , deep: 2,81 m; and disinfestation in the tank of 3,15 m 3 .Implementing t his desing will allow remove: 96,76% turbidity, 90% color, 95,74% Iron and 100% for fecal and total coliforms. Municipality of the town of Guano (GAD) is recommended to implement a potable water treatment system for Pusniag San Patricio in order to give a quality service that contributes to population.