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Artículo

Assessment of biogas production in Argentina from co-digestion of sludge and municipal solid waste

Morero, Betzabet del ValleIcon ; Vicentin, RocioIcon ; Campanella, Enrique AngelIcon
Fecha de publicación: 12/2016
Editorial: Elsevier
Revista: Waste Management (elmsford)
ISSN: 0956-053X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ingeniería Oceanográfica

Resumen

In Argentina, there is an important potential to utilize organic waste to generate bioenergy. This work analyzes the environmental impacts and the energetic and economic requirements of the biogas produced by digesting the sewage sludge (SS) produced in a wastewater treatment plant in a medium city in Argentina. The SS is co-digested with the organic fraction of municipal solid waste (OFMSW), and the basis of this study is the life cycle assessment (LCA). The LCA is performed according to ISO 14040-44 using the SimaPro simulator. First, the transport of the raw materials to the biogas plant was defined. Then, the co-digestion and the biogas treatment for final use were evaluated. The co-digestion was improved with glycerol, and the generation of biogas was estimated using the GPS-X software. Two alternatives for the end use of biogas were considered: combined heat and power (CHP) and biomethane generation. For the first, H<sub>2</sub>S and water vapor were removed from the raw biogas stream, and for the second, also CO<sub>2</sub> was removed. The H<sub>2</sub>S removal process was simulated in the SuperPro software by anaerobic biofiltration. The same software was used to simulate the removal of CO<sub>2</sub> absorption-desorption with water as solvent. Finally, the environmental impacts related to the end use of biogas (CHP and biomethane) were evaluated. The environmental, energetic and economic analyses showed that the co-digestion of SS and OFMSW has great potential for reducing the environmental impacts and increasing the economic and energetic value of the substances via the production of biomethane, electricity and, potentially, fertilizer.
Palabras clave: Co-Digestion , Waste Treatment , Chp , Biomethane
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/24067
DOI: http://dx.doi.org/10.1016/j.wasman.2016.11.033
URL: http://www.sciencedirect.com/science/article/pii/S0956053X16306948
Colecciones
Articulos(INTEC)
Articulos de INST.DE DES.TECNOL.PARA LA IND.QUIMICA (I)
Citación
Morero, Betzabet del Valle; Vicentin, Rocio; Campanella, Enrique Angel; Assessment of biogas production in Argentina from co-digestion of sludge and municipal solid waste; Elsevier; Waste Management (elmsford); 61; 12-2016; 195-205
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