Publication: Caracterización de los consorcios microalgas-bacterias en el tratamiento de agua residual urbana
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2019-12-19
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Universidad Complutense de Madrid
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Abstract
El acusado aumento de la población registrado a nivel global durante las últimas décadas conlleva asociado un aumento en la generación de residuos como es el caso de las aguas residuales urbanas. El vertido de efluentes con alto contenido de materia orgánica, nitrógeno,fósforo y otros componentes resulta en el proceso de eutrofización: aumento del crecimiento de plantas y algas acuáticas, modificación de la biodiversidad natural del ecosistema, y en los casos más graves la degradación completa de los ecosistemas.Para reducir los problemas asociados con los vertidos de aguas residuales, en la actualidad, se emplean sistemas de tratamiento basados en sistemas biológicos de fangos activos. En estos sistemas se emplean microorganismos (bacterias aerobias) que necesitan oxígeno para degradar la materia orgánica contenida en el agua residual. A través de una aireación prolongada y la recirculación de fangos activos se eliminan las sustancias contaminantes del agua residual.
The sharp increase in the global population registered during the last decades entails an associated increase in the generation of waste as a consequence of human activity, such as urban wastewater. The emissions of effluents with a high content in organic matter, nitrogen, phosphorus, and other components result in the eutrophication process: increased growth of aquatic plants and algae, modification of the ecosystem natural biodiversity, and, in the most severe cases, the complete ecosystem degradation. In order to reduce the problems associated with wastewater discharges, currently, treatment systems based on biological systems of activated sludge are employed. In these systems, microorganisms (aerobic bacteria) require oxygen to degrade the organic matter contained in the wastewater. By means of prolonged aeration and recirculation of activated sludge, pollutants are removed from the wastewater...
The sharp increase in the global population registered during the last decades entails an associated increase in the generation of waste as a consequence of human activity, such as urban wastewater. The emissions of effluents with a high content in organic matter, nitrogen, phosphorus, and other components result in the eutrophication process: increased growth of aquatic plants and algae, modification of the ecosystem natural biodiversity, and, in the most severe cases, the complete ecosystem degradation. In order to reduce the problems associated with wastewater discharges, currently, treatment systems based on biological systems of activated sludge are employed. In these systems, microorganisms (aerobic bacteria) require oxygen to degrade the organic matter contained in the wastewater. By means of prolonged aeration and recirculation of activated sludge, pollutants are removed from the wastewater...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Farmacia, Departamento de Microbiología y Parasitología, leída el 05-11-2019