Energy recovery from food waste and garden and park waste: anaerobic co-digestion versus hydrothermal treatment and anaerobic co-digestion
EntityUAM. Departamento de Ingeniería Química
10.1016/j.chemosphere.2022.134223Chemosphere 297 (2022): 134223
Funded byThe authors greatly appreciate the funding provided by MICINN (PID 2019-108445RB-I00) and the financial support of the Madrid Regional Government (Project S2018/EMT-4344). E. Suarez received additional funding from the Madrid Regional Government (PEJD-2019-PRE/AMB14231)
ProjectGobierno de España. PID2019-108445RB-I00
SubjectsAnaerobic co-digestion; Biowaste; Food waste; Garden and park waste; Hydrothermal treatment; Process water; Química
Rights© 2022 The Authors
Esta obra está bajo una licencia de Creative Commons Reconocimiento-NoComercial-SinObraDerivada 4.0 Internacional.
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
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Google Scholar:Suarez, Eneko - Tobajas Vizcaíno, Montserrat - Mohedano, Angel F. - Rubia Romero, María de los Ángeles de la
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