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Tecnología Química
versión On-line ISSN 2224-6185
Resumen
LLORCA-NEREY, Nerisleydis y JULIAN-RICARDO, María Caridad. Design of a treatment technology for wastewater from the El Mambí canning factory. RTQ [online]. 2023, vol.43, n.3, pp. 514-532. Epub 30-Oct-2023. ISSN 2224-6185.
At the El Mambí vegetable canning factory, in Camagüey, the generation of wastewater is approximately 36 930.0 m3/year. The main generating sources are those linked to production and auxiliary services. These waters have a high polluting load. The objective of this work is to design a wastewater treatment technology, which allows compliance with the standards for dumping their pollutant load, through the integration of physical, chemical and biological methods. These waters were characterized at the Camagüey Environmental Engineering Center. The plant was designed in two lines: the one for wastewater and the one for produced sludge. The optimal dilution rate calculated in the aerator allows maximum removal productivity to be achieved. The estimated total investment cost amounts to $ 4 437 675, 51. The technical-economic evaluation of the variant for twenty years indicates a favorable decision in terms of making the investment, with a net present value (NPV) of $ 3 137 816,25; internal rate of return (IRR) of 23,51 % and (PRI) 4,25 years, which shows an adequate value according to the current trend of recovery of investments.
Palabras clave : wastewater; technological design; dilution rate.