Eficiencia de microorganismos (Saccharomyces sp, Lactobacillus spp, Rhodoppseudomona spp) en el tratamiento de aguas residuales de la ESPAM MFL

At present, efficient microorganisms (MS) have been used as an alternative to solve water pollution problems, they can use pollutants as a source of carbon and energy for their development and growth; thus, the objective of the research was to evaluate the efficiency of microorganisms (Saccharomyces sp, Lactobacillus spp, Rhodoppseudomona spp) in the treatment of wastewater at ESPAM. Three treatments were studied in concentrations (0.75, 1.25 and 2.00%) of MS with three repetitions, in three stages: 1) Characterize physical-chemical and microbiological properties of wastewater; 2) Determine the efficiency of MS; and 3) Perform an economic analysis of the treatment. Through the physical-chemical and microbiological analyzes, it was evidenced that the wastewater at ESPAM MFL needs to undergo additional treatments for the removal of BOD5 and COD because they do not conform to the LMP of the environmental quality regulations. The application of MS allowed the parameters analyzed to conform to wáter quality criteria for agricultural and livestock use; while, for discharges to freshwater bodies, none of the three treatments is framed to the LMP for BOD5 and COD. Of the three treatments, the 2% dose of MS had a greater economic viability, which presented the highest removal percentage of BOD5 (58.70%) and COD (56.97%). It is concluded that statistically applied treatments have significant values of p <0.05 in BOD5 and COD. Therefore, the hypothesis established in the study is accepted.

• Autore principale: Espinoza Loor, María Leonela (author)
• Altri autori: Zambrano Andrade, Stefany Michelle (author)
• Natura: bachelorThesis
• Lingua: spa
• Pubblicazione: 2019
• Soggetti: Microorganismos eficientes; Carga orgánica; Aguas residuales (AR)
• Accesso online: http://repositorio.espam.edu.ec/handle/42000/1215