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Aprovechamiento de lodos residuales de una planta de tratamiento de aguas residuales (PTAR) para la generación de energía eléctrica

Authors: Linares Fajardo, Daniel Santiago;

Aprovechamiento de lodos residuales de una planta de tratamiento de aguas residuales (PTAR) para la generación de energía eléctrica

Abstract

En los últimos años ha sido evidente la preocupación mundial frente al manejo de los lodos generados dentro del proceso de floculación, coagulación y filtrado que tienen lugar en la depuración de aguas residuales dada la alta generación de estos. En Europa se genera un promedio 10,9 millones de toneladas al año, teniendo consigo impactos negativos relacionados con la emisión de compustos organicos volatiles (VOC), derivados de dióxido de nitrógeno (NOXs), óxidos de azufre (SOXs) y olores ofensivos, disminuyendo la calidad ambiental y deteriorando la salud humana afectando el sistema respiratorio, generación de afecciones en la piel debido a que contiene una gran variedad de elementos patógenos y sustancias tóxicas tales como: amoniaco, metano, ozono troposférico y compuestos halogenados Con base al contexto anteriormente mencionado como uno de los tantos escenarios existentes en la actualidad se han establecido y aplicado diferentes medidas para el manejo de este residuo, una de las medidas más utilizadas corresponde a la transformación de los lodos en abono y fertilizante orgánico dada la viabilidad económica del proceso y la reducción total de los lodos, los cuales son ingresados al interior de un biodigestor para finalmente ser adicionados a los cultivos. Todos las medidas, metodologías o tratamientos anteriormente mencionados conllevan impactos negativos por ende este trabajo busca plantear una alternativa con mayores beneficios ambientales, económicos y sociales. Mediante la utilización de los lodos como fuente de generación de energía eléctrica a través del biogás producido en la digestión anaerobia de los lodos.

In recent years there has been a clear global concern about the management of sludge generated in the flocculation, coagulation and filtering process that takes place in the purification of wastewater due to the high generation of these. An average of 10.9 million tonnes per year is generated in Europe, resulting in negative impacts related to the emission of volatile organic compounds (VOCs), nitrogen dioxide (NOXs) derivatives, sulphur oxides (SOXs) and offensive odors, diminishing environmental quality and deteriorating human health affecting the respiratory system, generating skin conditions due to it containing a wide variety of pathogens and toxic substances such as: ammonia, methane, tropospheric ozone and halogenated compounds. Based on the aforementioned context as one of the many existing scenarios, different measures for the management of this waste have been established and implemented, one of the most widely used measures relates to the processing of sludge into fertiliser and organic fertiliser, given the economic viability of the process and the total reduction of sludge, which are fed into a biodigester and finally added to the crops. All the measures, methodologies or treatments mentioned above have negative impacts, therefore this paper seeks to propose an alternative with greater environmental, economic and social benefits. By using the sludge as a source of electricity generation through the biogas produced.

http://unidadinvestigacion.usta.edu.co

Ingeniero Ambiental

Pregrado

Country
Colombia
Related Organizations
Keywords

Clean technologies, Cuidado del medio ambiente, Tecnologias limpias, Tratamiento de aguas residuales, Biogas, Environmental care, Energias alternativas, Sludge, Lodos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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