Aprovechamiento energético de los residuos hortofrutícolas de la plaza de mercado de Sincelejo mediante digestión anaerobia

Fruit and vegetable residues (HR) represent sustainable and renewable resources that could be valorized in different applications providing alternatives thanks to the availability, high content of polysaccharides, micronutrients and moisture. The conversion of this biomass into energy and high value by-products through anaerobic digestion (AD) is a promising alternative. In this study, the potential for energy use of HR from the Sincelejo marketplace by AD was evaluated. These wastes were classified and characterized taking into account international standards. Based on the above, a simulation was developed in Aspen Plus V14 using the CDM1 and CDM2 models. The Otto and Brayton thermodynamic cycles were included in the simulation to generate electricity from biogas. Greenhouse gas emissions were evaluated, and biochemical methane potential was determined using respirometric sensors. For the determination of the economic feasibility, two proposed scenarios were evaluated according to the simulated cycles. The results indicated that the HRs present a great heterogeneity in their classification, presenting a physicochemical composition suitable for methane production by AD. The simulation showed a 97% reliability between model and experimental data, yielding a value of 322.05 NmL CH4/gSV for the biochemical methane potential. It is concluded that scenario 1 representing the Brayton Cycle presented the best economic indicators with a positive NPV, an IRR of 10%, an IR of 1.05 and a BCR of 1.03, pointing to a relatively safe project.

• Autores: Salgado Angulo, Kleyder José
• Fecha de publicación: 2024
• Institución: Corporación Universidad de la Costa
• Repositorio: REDICUC - Repositorio CUC
• Idioma: spa
• OAI Identifier: oai:repositorio.cuc.edu.co:11323/13597
• Acceso en línea: https://hdl.handle.net/11323/13597; https://repositorio.cuc.edu.co/
• Palabra clave: Digestión anaerobia; Residuos hortofrutícolas; Simulación; Potencial bioquímico de metano; Análisis económico; Anaerobic digestion; Horticultural wastes; Simulation; Biochemical methane potential; Economic analysis
• Rights: openAccess
• License: Atribución-NoComercial-CompartirIgual 4.0 Internacional (CC BY-NC-SA 4.0)