Carrera de Biotecnología

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Author: search.filters.author.Escobar Jumbo, Bruno ManuelSubject: search.filters.subject.CURTIEMBRES

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    Evaluación de la capacidad fitorremediadora de Chrysopogon zizanioides y Eichhornia crassipes en efluentes secundarios de una curtiembre de la provincia de Tungurahua. Articulado al Proyecto de Investigación aprobado mediante Resolución Nro. UTA-CONIN-2023-0194-R
    (Universidad Técnica de Ambato. Facultad de Ciencia e Ingeniería en Alimentos y Biotecnología. Carrera de Biotecnología, 2025-02) Escobar Jumbo, Bruno Manuel; Flores Tapia, Nelly Esther
    Since the 20th century, the increasing global demand for leather has driven the tanning industry to boost its production in Ecuador. However, this industry is one of the most polluting due to the generation of untreated waste, creating an environmental issue on a global scale. This study aims to evaluate the capacity of a phytoremediation process using Eichhornia crassipes (water hyacinth) and C. zizanioides (Vetiver) to treat a contaminated effluent in the city of Ambato, Tungurahua province. To achieve this, three treatments were formulated in artificial wetlands, with a control and three replicates: T1-E. crassipes, T2-C. zizanioides, and T3-Combination (50:50). Over 45 days, physicochemical analyses were conducted on 14 parameters following TULSMA standards, using Hach, Hanna Instruments, and Velp Scientifica reagents. The results show a significant reduction of contaminants in treatment T3 with the following data: BOD5 84 percent, Cr6+ 75 percent, TSS 61 percent, Nitrogen 71 percent, Ammonium 60 percent, Turbidity 99 percent, Color 79 percent, and Phosphorus 60 percent. Additionally, an initial and final characterization encompassing 34 physicochemical parameters was performed. The obtained results demonstrate the effectiveness of the treatment with the combination of both plant species in an artificial wetland. This provides a starting point for studying the interaction of E. crassipes and C. zizanioides in tannery effluents and formulating treatments that help mitigate the environmental impact of the leather and dyeing industry.