Technical and economic feasibility of a solar-bio-powered waste utilization and treatment system in Central America

 

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Autores: Aguilar Álvarez, Ronald Esteban, Bustamante Román, Mauricio, Kirk, Dana, Miranda Chavarría, José Alberto, Baudrit Ruiz, Daniel, Aguilar Pereira, José Francisco, Rodríguez Montero, Werner, Reinhold, Dawn Marie, Liao, Wei
Formato: artículo original
Fecha de Publicación:2016
Descripción:The purpose of this study was to implement and evaluate a pilot-scale and closed-loop system that synergistically combines solar thermal collector, anaerobic digester, and constructed treatment wetland to simultaneously treat and utilize organic wastes. The system utilizes 863 kg of mixed animal and food wastes to generate 263 MJ renewable energy, produced 28 kg nitrogen and phosphorus fertilizer, and reclaimed 550 kg water per day. The net revenue considering electricity and fertilizer was $2436 annually. The payback period for the system is estimated to be 17.8 years for a relatively dilute waste stream (i.e., 2% total solids). The implemented system has successfully demonstrated a self-efficient and flexible waste utilization and treatment system. It creates a win-win solution to satisfy the energy needs of the community and address environmental concerns of organic wastes disposal in the region.
País:Kérwá
Institución:Universidad de Costa Rica
Repositorio:Kérwá
OAI Identifier:oai:kerwa.ucr.ac.cr:10669/72979
Acceso en línea:http://www.sciencedirect.com/science/article/pii/S0301479716307794?via%3Dihub
https://hdl.handle.net/10669/72979
Palabra clave:Solar thermal collector
Anaerobic digestion
Constructed treatment wetland
Reclaimed water
Methane