| Title | A critical review on sustainable management and resource utilization of digestate |
|---|---|
| ID_Doc | 9380 |
| Authors | Guan, DZ; Zhao, JW; Wang, YX; Fu, Z; Zhang, DL; Zhang, HW; Xie, JL; Sun, YJ; Zhu, JW; Wang, DB |
| Title | A critical review on sustainable management and resource utilization of digestate |
| Year | 2024 |
| Published | |
| Abstract | Anaerobic digestion technology has gained significant attention as an organic solid waste treatment method due to its favorable economic and environmental benefits. However, after digestion, the digestate still contains a significant amount of underutilized organic matter. Sustainable management and resource utilization of digestate plays a crucial role in achieving resource circularity and implementing a circular economy. Previous reviews have mainly focused on improving the operational efficiency and stability of anaerobic digestion, with limited exploration of sustainable management and resource utilization of digestate. To address this gap, this review provides a systematic summary of the sustainable management and resource utilization of digestate. First, the basic characteristics of digestate are outlined. Then, based on a visual analysis of literature on digestate management from the past decade, the review highlights the hotspots in sustainable management and circular utilization of digestate. Finally, it summarizes the relevant policies on digestate management in different regions and outlines the challenges in digestate treatment and disposal. The challenges in digestate management remain a significant issue that requires further exploration and solutions. This review aims to promote the standardization of digestate management, provide direction for further in-depth research on digestate, and contribute to the continued development of resource cycling of anaerobic fermentation products. |
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