| Title | Sustainable valorization of slaughterhouse waste through anaerobic digestion: A circular economy perspective |
|---|---|
| ID_Doc | 28750 |
| Authors | Habchi, S; Pecha, J; Sánek, L; Karouach, F; El Bari, H |
| Title | Sustainable valorization of slaughterhouse waste through anaerobic digestion: A circular economy perspective |
| Year | 2024 |
| Published | |
| Abstract | Slaughterhouse waste (SHW) poses significant environmental challenges due to its complex composition. In response, a novel review exploration of anaerobic digestion (AD) as a means of valorising SHW within the context of the circular economy (CE) is presented. The physicochemical properties of individual SHW, representing key parameters for the correct management of the AD process, are scrutinized. These parameters are further connected with identifying suitable pretreatment methods to enhance biogas production. Subsequently, the review examines the diverse technologies employed in the AD of SHW, considering the complexities of monoor co-digestion. Various AD systems are evaluated for their effectiveness in harnessing the substantial biogas production potential from SHW, encompassing key parameters, reactor configurations, and operational conditions that influence the AD process. Moreover, the review interestingly extends its scope to the recovery and management of digestate, the by-product of AD. Along with the digestate composition, strategies for various utilization of this by-product are discussed. This investigation thus underscores, within the principles of the CE, the dual sustainable benefits of SHW processing via AD in biogas production and utilization of the resultant nutrient-rich digestate in various sectors. |
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