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Uso potencial del bivalvo Mytella charruana en el tratamiento de aguas residuales. (Aplicación de M. charruana en la depuración de aguas residuales)

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Uso potencial del bivalvo Mytella ...
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Author
Valdelamar Villegas, Juan C.
Pasqualino, Jorgelina
Herrera M., Diana
Corporate Author
Dirección General Marítima
Date
2018

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Alternative Title
Potential application of Mytella charruana in wastewater treatment. (Application of M. charruana in wastewater treatment)
Abstract
Con el propósito de evaluar la aplicación potencial de la especie Mytella charruana para su implementación en sistemas de biodepuración de aguas residuales procedentes de industrias del sector alimenticio, se realizaron actividades de campo vinculadas al muestreo de especímenes de M. charruana, y de muestras de agua, en la ciénaga de las Quintas en Cartagena de Indias. Los bioensayos de laboratorio se implementaron en acuarios de 20 L de capacidad, en los que se ubicaron organismos con agua del medio, y se cuantificó la tasa (%) de reducción de la demanda bioquímica de oxígeno (DBO5) y de sólidos volátiles totales (SVT), presentes en el agua. Los resultados mostraron que la mejor tasa de remoción de la DBO5 (45.49 ± 30.8 %) y SVT (10.64 ± 6.27 %), se dio en el tratamiento conformado por especímenes de menores tallas (< 2.5 cm) y agua con alta salinidad (≥ 25). La información posibilitó el diseño conceptual de dos sistemas de biodepuración de aguas, uno de flujo horizontal y otro de flujo vertical; ambos adaptables a las necesidades de espacio, que suele ser un factor crítico en las empresas. Se concluye que M. Charruana posee un alto potencial de aplicación en procesos de biodepuración de aguas que contienen materia orgánica y sólidos volátiles, la cual puede disponerse en sistemas de flujo vertical u horizontal, para alcanzar una mayor eficiencia de remoción.
Field activities related to sampling M. charruana specimens and water samples in the Ciénaga Las Quintas marsh in Cartagena de Indias were performed in order to evaluate the potential application of the species Mytella charruana in wastewater biodepuration systems from industries within the food sector. Laboratory bioassays were implemented in 20 liters’ capacity aquariums where individuals were located with water from the environment, and the rate of biochemical oxygen demand (BOD5) (%) and total volatile solids (TVS) (%) reduction in water were quantified. The results showed that the highest removal rate of BOD5 (45.49 ± 30.8 %) and TVS (10.64 ± 6.27 %) occurs when the treatment involves the use of small organisms (< 2.5 cm) in water with high salinity (≥ 25). With the previous information, the conceptual design of two devices was developed: one with horizontal flow and one with vertical flow, both adaptable to space requirements, which is often a critical factor in the industry. It is concluded that M. charruana possesses a high application potential in biodepuration processes of water containing organic matter and volatile solids, which can be arranged in systems of vertical or horizontal flow, to reach a greater removal efficiency.
Journal
Boletín Científico CIOH
Issue/Article Nr
36
Page Range
pp.41-52
DOI
10.26640/22159045.437
Resource/Dataset Location
http://cecoldodigital.dimar.mil.co/2348/
URI
http://hdl.handle.net/1834/15222
ae974a485f413a2113503eed53cd6c53
10.26640/22159045.437
Scopus Count
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DIMAR Publications

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