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Revista Ciencias Técnicas Agropecuarias
versión On-line ISSN 2071-0054
Resumen
GUERRA HERNANDEZ, Gisel et al. Reusing of Urban Wastewater Treated for Irrigation Purposes of Stabilization Ponds. Rev Cie Téc Agr [online]. 2023, vol.32, n.4 Epub 01-Dic-2023. ISSN 2071-0054.
The increase in competition for the use of water makes it an increasingly scarce resource for agricultural irrigation; it is necessary to search for alternative sources, such as the reuse of wastewater in agriculture that represents benefits for the soil and crops. The research was carried out with the objective of evaluating the quality of treated residual water in stabilization ponds for agricultural irrigation purposes, from the analysis of the physical, chemical and microbiological parameters of residual water. The main results indicate the presence of a facultative lagoon with efficiencies of 50%, 53%, 98% and 94% for the removal of biochemical oxygen demand, chemical oxygen demand, thermotolerant coliforms and total coliforms, respectively. That accounts for 74% of total operation efficiency of the lagoon with 2 mg·L-1 of dissolved oxygen in it. These values indicate that the effluent from the stabilization pond can be used for irrigation of cooked food crops according to the recommendations of the World Health Organization for Latin America and the Caribbean.
Palabras clave : Alternative Source; Total Coliforms; Thermotolerant Coliforms; Efficiencies; Agriculture.