Propuesta de estrategias de gestión de residuos sólidos en la ciudad de Santa Ana, el Salvador

According to the population projections, the city of Santa Ana has recorded 398,351 inhabitants in 2023, with a Per-Capita Production of 1.10 Kg. inhabitant/d. By the year 2040, it is estimated that there will be 454,734 inhabitants. with a PCP of 1.3 kg per person/d. Santa Ana´s solid waste management has a waste separation plant, which classifies residues as combustible and non-combustible. The combustible material is destined for an incineration plant to produce cement and the non-combustible material is destined for a sanitary landfill. The Integral Solid Waste Management suggests, in its management hierarchy, that before disposing or treating waste, it must be used for recycling and then treat the excess. By incinerating waste, the recycling potential is reduced, thus generating the allocation of new materials from natural resources. The suggested management strategy establishes that of the 592.41 Ton/d, 201.39 Ton/d must be recycled; 343.54 Ton/d is organic matter that can be treated by anaerobic digestion generating 185.51 Tn/d of residue known as digestate, successively composting can be applied generating 46.38 Tn/d of compost. Anaerobic digestion can generate an average of 36.8 MW of electricity.