Diseño de una planta de tratamiento de agua potable para la parroquia Guanujo del cantón Guaranda provincia Bolívar.

Abstract

If was desinged a potable water treatment plant in the urban parishof San Pedro of Guanujo in Guaranda, Bolivar province, for obtaining quality water and supply the population optimal and safe drinking water in a 100% of covering. In the physico-chemical and microbiological water characterization were used Standardized Methods for the analysis of Dinking and Waster, and the Methods Manual HACH, performing the analysis in the laboratory CHAQUISHCA EMAPAG EP-(The Municipal Drinking Water and Sewerage Company of Guaranda). The samples were carried out of the Receiving Vessel and a tap house for 5 days during 3 weeks, obtaining high concentrations of iron to 0.630 mg/L, turbidity up to 140.650 NTU, and color with 28 UTC, and necessary tests were performed for the proper coagulant dosing of the Aluminium Polychloride (PAC), CHEMFLOC auxiliary ion, and HTH Calcium Hypochloride using proper machines and portable materials that simulate the operation of the plant. The results determined a projected lifespan of 15 years of the proposed potable water treamtment plant, with a treament flow of 49.113 L/s; a turbidity decreased to 99.600%, 90.500% iron and color 96.400%; processes and unit operations of Aeration that has 3 towers with 5 trays each tower, Coagulation Dosage PAC and CHEMFLOC, Leaching horizontal flow 22 m long and 6 m wide, high sedimentation rate 14 m long and 6 m wide, slow sand filter and gravel 7 m long and 2 m wide; Desinfection providing HTH. If is recommended the implementation of the potable water treatment plant in the “Cuatro Esquinas Area” in the parish of San Pedro of Guanujo for obtaining safe water in top condition and improve the quality of life of the population.