Energy recovery from food waste and garden and park waste: anaerobic co-digestion versus hydrothermal treatment and anaerobic co-digestion

The feasibilities of the anaerobic co-digestion of two of the most relevant biowastes, food waste and garden and park waste, were evaluated and compared with the hydrothermal treatment of each waste and the anaerobic co-digestion of raw biowastes with the process water generated. The effects on the...

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Detalles Bibliográficos
Autores: Suarez, Eneko, Tobajas Vizcaíno, Montserrat, Fernández Mohedano, Ángel, Rubia Romero, María de los Ángeles de la
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universidad Autónoma de Madrid
Repositorio:Biblos-e Archivo. Repositorio Institucional de la UAM
Idioma:inglés
OAI Identifier:oai:repositorio.uam.es:10486/703025
Acceso en línea:http://hdl.handle.net/10486/703025
https://dx.doi.org/10.1016/j.chemosphere.2022.134223
Access Level:acceso abierto
Palabra clave:Anaerobic co-digestion
Biowaste
Food waste
Garden and park waste
Hydrothermal treatment
Process water
Química
Descripción
Sumario:The feasibilities of the anaerobic co-digestion of two of the most relevant biowastes, food waste and garden and park waste, were evaluated and compared with the hydrothermal treatment of each waste and the anaerobic co-digestion of raw biowastes with the process water generated. The effects on the process stability and energy recovery were also analyzed. Anaerobic digestion was the best option for food waste treatment from an energetic point of view, with 81% recovery of the energy stored in the feedstock, while the highest energy recovery from garden and park waste was obtained for the solid fraction generated from hydrothermal treatment (85.5%). In addition, the anaerobic co-digestion of food waste with 5% of the process water generated from garden and park waste showed a similar energy recovery to that of food waste only (∼80%), thus improving the biological stability of the process