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Agroindustrial Science
Article . 2020
Data sources: DOAJ
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Tratamiento del agua residual de un matadero: Eficiencia del proceso de coagulación - floculación

Authors: Yrwin Azabache; Estrella Murrieta; Patricia García; Marcos Ayala; Gerardo Caceres; María Garcia;

Tratamiento del agua residual de un matadero: Eficiencia del proceso de coagulación - floculación

Abstract

El objetivo del presente trabajo fue evaluar los beneficios y eficacia del tratamiento de coagulación y floculación de las aguas residuales provenientes de un matadero. Para ello se analizaron muestras de 500 ml y se utilizó sulfato de aluminio (1%) y cloruro férrico (1%) como agentes coagulantes, polímero catiónico (1%) como agente floculante y gradientes de velocidad alta (150 – 300 r.p.m) y velocidad baja (37 – 75 r.p.m). Las concentraciones iniciales de contaminantes en el efluente fueron: pH (6,98 – 6,97), turbiedad (436 - 537 NTU), SST (430,6 – 228,8 ppm), oxígeno disuelto (1,17 – 2,11mg/L), nitratos (0 – 7,5 mg/L). Los mejores resultados se obtuvieron con la adición de 6 ml de sulfato de aluminio; 1 ml de polímero catiónico, una velocidad de mezcla de 200 r.p.m y un tiempo de sedimentación de 25 minutos, que disminuyeron las concentraciones de turbiedad 4,85 NTU, oxígeno disuelto 9,16 mg/L y STD 333,6 ppm. Asimismo, la adición de 2 mL cloruro férrico, 0,75 mL de polímero catiónico, una velocidad en mezcla rápida de 300 r.p.m y tiempo de sedimentación de 35 minutos, permitieron obtener como resultado 15,46 NTU, oxígeno disuelto 9,45 mg/L, STD 224,7 ppm, nitratos 6 mg/L.

Keywords

coagulación, efluentes, Technology, floculación, Industrial engineering. Management engineering, Agriculture (General), T, T55.4-60.8, matadero, S1-972

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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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