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Acta Biológica Colombiana
versão impressa ISSN 0120-548X
Resumo
SUAREZ MALAGON, Andrés José; LARA MENDIVELSO, Julie Andrea; CASTANEDA RODRIGUEZ, Luz Jaddy e CASAS CORTES, Paula Andrea. Determination of the absorption capacity of organic matter with water hyacinth (Eichhornia crassipes) through of the logistic growth model in the sector el Espino-río Bogotá DWTP TIBITOC. Acta biol.Colomb. [online]. 2022, vol.27, n.3, pp.386-393. Epub 13-Jun-2024. ISSN 0120-548X. https://doi.org/10.15446/abc.v27n3.83223.
The Potable Water Treatment Plant - PWTP Tibitoc is largely supplied by the Bogotá River, through two intakes located in the sector El Espino. Is evident the uncontrolled development of the macrophyte Eichhornia crassipes attributed to the constant contribution of nutrients and organic matter load upstream of the basin, which generates problems in the ecosystem dynamics of the body of water, as well as in the quality of the resource that supplies to the plant. The purpose of this study, through a true experimental methodology, is to evaluate the absorption capacity of organic matter of the species, represented by the amount of organic matter removed per unit of biomass estimating a removal value of 19.53 mg O2 L-1/g for unit ofWater Hyacinth. With the help of the logistic growth model, the period in which the species can be maintained in the reservoir is validated without affecting the system, concluding that its efficiency decay between 165 to 195 days after sowing the specimens in the course of the study area, after which removal is suggested.
Palavras-chave : Bioaccumulation; Biological Oxygen Demand (BOD); carrying capacity; macrophytes; Verhulst model.