This study shows the effectiveness of the wastewater treatment from a municipal slaughterhouse undergone to a previous biological treatment applying a sequence of stages, reaching a 75% of elimination of the COD using sedimentation in combination of coagulation-flocculation, using 0.5 g/L FeCl3 which is one of the best known inorganic coagulants. Then, the elimination of COD was around 98% adding the Fenton process where 1,000 mg/L H2O2 and FeSO4 are used. In addition to the COD, other water quality parameters were measured to evaluate the level of purification of the test samples, such as solids of different types, pH, DOC and so on. With the above, it can be noted that the Fenton process had a slight improvement in the effluent quality by using a solar concentrator in the now called photo-Fenton process, reaching around 99% of COD removal (0.36 g/L), 91% of total suspended solids (0.32 g/L) and 89% of DOC (0.20 g/L). These results were the best achieved within a proposed treatment train for this type of complex wastewater. Moreover, this last part of the process adds an improvement, by the usage of renewable energy sources such as sunlight.
En la actualidad nos encontramos con un deficiente uso del agua potable, ya sea por el derroche o la mala utilización. En el presente proyecto, el principal problema encontrado en el centro educativo fue el uso de agua potable para el riego del biohuerto y demás áreas verdes, para lo que se implementó la siguiente alternativa, la cual consiste en la reutilización de las aguas grises obtenidas de los lavaderos corridos ubicados fuera de los servicios higiénicos mediante la implementación de un sistema el cual consiste en una captación, tanque de almacenamiento y sedimentación, tanque de filtración, tanque de almacenamiento para su posterior distribución para el riego. Los tipos de riego implementados son de tipo por goteo y por gravedad. Los resultados obtenidos en este proyecto fueron los esperados, ya que se logró el riego de manera eficiente con un agua que presenta un menor grado de contaminación al salir del tanque de filtración.
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