EVALUACIÓN OPERACIONAL DE UN SISTEMA A ESCALA LABORATORIO DE BIOPELÍCULA ANAEROBIA SOPORTADA PARA EL TRATAMIENTO DE AGUAS RESIDUALES DOMÉSTICAS
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Universidad Industrial de Santander
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Se presenta en este trabajo el estudio de la biopelícula anaerobia sobre tusas de mazorca como material de soporte seleccionado, para un reactor de lecho fijo de flujo descendente en un sistema de tratamiento anaerobio de aguas residuales domésticas. Se utilizó como inoculo para el reactor una mezcla de lodos nativos provenientes tanto de una planta de tratamiento de aguas residuales así como de excretas porcícolas. Se evaluaron las condiciones generales operacionales tales como rangos de pH, temperatura y concentración de carga orgánica, para un buen desempeño en el reactor de lecho fijo en donde se hicieron mediciones de parámetros como Demanda química de Oxígeno (DQO), pH, ácidos grasos volátiles, composición del biogás generado, análisis microbiológicos y pruebas de microscopía óptica sobre el material de soporte.
También se muestra la implementación de un sistema hidráulicamente estable, para tratamiento de aguas residuales a escala piloto-laboratorio, el cual esta conformado por un reactor anaerobio soportado de flujo descendente, un sedimentador de lodos, un intercambiador de calor de carcaza y tubo de un solo paso, un tanque de alimentación y una bomba centrifuga sumergible.
It is presented in this work the study of the anaerobic biofilm on residue of cob as support material selected, for fixed-bed reactor of descendent flux ¡n a system of anaerobic treatment of household residual water. It was used as inoculate for the reactor, a mix of native muds coming form both a treatment plan of residual water and pigs' excrements. It was evaluated the genera! operational conditions such as pH ranks, temperature and organic charge concentration that generate a suitable holding in the fixed-bed reactor where it was made measurements of parameters like chemical Oxygen demand (COD), pH, volatile fatty acids, composition of the biogas generated, microbiologic analysis and proofs of optic microscopy on the support material. Moreover it is showed the implementation of a system hydraulically stable, for treatment of residual water to laboratory-pilot scale which it consists of an anaerobic reactor supported of descendent flux, mud sedimentor, an interchanger of heat transfer and a one passage tube, a feeding tank and a water-resistant centrifuge pump.
It is presented in this work the study of the anaerobic biofilm on residue of cob as support material selected, for fixed-bed reactor of descendent flux ¡n a system of anaerobic treatment of household residual water. It was used as inoculate for the reactor, a mix of native muds coming form both a treatment plan of residual water and pigs' excrements. It was evaluated the genera! operational conditions such as pH ranks, temperature and organic charge concentration that generate a suitable holding in the fixed-bed reactor where it was made measurements of parameters like chemical Oxygen demand (COD), pH, volatile fatty acids, composition of the biogas generated, microbiologic analysis and proofs of optic microscopy on the support material. Moreover it is showed the implementation of a system hydraulically stable, for treatment of residual water to laboratory-pilot scale which it consists of an anaerobic reactor supported of descendent flux, mud sedimentor, an interchanger of heat transfer and a one passage tube, a feeding tank and a water-resistant centrifuge pump.
Keywords
Biofilm, Substrate, Support, Chemical Oxygen Demand, Inoculum, Biopelícula, Sustrato, Soporte, Demanda Química de Oxígeno, Inoculo