Diseño de un Sistema de Tratamiento de Potabilizacion de Agua para la parroquìa San Lorenzo, canton Guaranda, provincia Bolivar.

Abstract

A drinking water treatment plant for the Rural Parish San Lorenzo belonging to Guaranda Canton, Bolivar Province has been designed with the purpose of providing and giving the population an optimal and safe water supply in a 100% coverage. For the development of this research, water samples were collected for two weeks in two months from the Tingua slope consumed by the inhabitants of this parish in order to perform the physical-chemical and microbiological catheterizacion in the lab at the “Chaquishca” water treatment plant in Guaranda applying the standard methods for drinking water and wastewater and the manual for water analysis obtaining as a result: 4 parameters which are outside the permissible limits given by the Ecuadorian Technical Norm (NTE), obtaining removal percentages 70% turbidity, 75% color, 99% fecal and total coliforms, and by conducting treatability tests in the Jar Test. It was determined the aluminum and calcium hypochlorite Plolicloruro application as an ideal treatment to solve problems in the vital fluid consumed. With the results it was established that the design of the water treatment plant consists of: a triangular landfill, a Parshall tube, two flocculants of horizontal flow, two settlers of high rate, four slow sand filters and a disinfection tank. In conclusión, this project will be beneficial for 6500 inhabitants projected to 15 years for a flow of 38 L/s. It is recommended to the Public Enterprise- Municipal Drinking Water and Sewerage Company of Guaranda apply this water purification treatment in order to obtain safe water in optimum conditions and improve the quality of life of the San Lorenzo parish.