Evaluación de la eficiencia y optimización de los procesos de potabilización de la planta de tratamiento de agua potable de Conocoto, parroquia rural del DMQ

Abstract

Based in the Manual III proposed by the CEPIS, the Conocoto water treatment plant is evaluated the hydraulic functioning, designed to removed turbidity. The data of the last year of operation were analyzed, in terms of turbidity, color and fecal coliform parameter, showed a removal efficiency of 96.339% in summer and 88.439% in winter. The testing of tracer was accomplished using NaCl, for evaluate the hydraulic conditions of the flocculation and sedimentation units resulting the times of retention and short circuits lows, predominantly the piston flow in the settlers. The filters were evaluated under the parameters: characteristic of washing system and filtered water, state of the filtering medium, showed the lost filter bed and washing time evaluation. Treatability tests were accomplished, resulting in an optimum concentration of 1% aluminum sulfate; the optimal dose= 85 mg/l; pH = 7 and gradient of 20 s-1 with optimal sedimentation time of 20 min. The evaluation of disinfection we could determinate an optimal doses of 1.5 mg/l Cl2, and in the distribution, we determinate for San Juan and Santa Monica a concentration of 0.5 mg/l and 0.3 mg/l Cl2, respectively.