期刊
BIORESOURCE TECHNOLOGY
卷 360, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2022.127596
关键词
Biochar; Bioenergy; Biogas; Digestate; Kinetic model
资金
- Malaviya National Institute of Technology Jaipur, India
Agricultural and food waste, which is a major issue affecting the environment and climate, has potential to produce renewable fuels. This review explores the integration of anaerobic digestion and pyrolysis for treating these wastes and promoting circular bioeconomy through the use of biochar.
Agricultural and food waste have become major issue affecting the environment and climate owing to growing population. However, such wastes have potential to produce renewable fuels which will help to meet energy demands. Numerous valorization pathways like anaerobic digestion, pyrolysis, composting and landfilling have been employed for treating such wastes. However, it requires integrated system that could utilize waste and promote circular bioeconomy. This review explores integration of anaerobic digestion and pyrolysis for treating agricultural and food waste. Proposed system examines the production of biochar and pyro-oil by pyrolysis of digestate. The use of this biochar for stabilizing anaerobic digestion process, biogas purification and soil amendment will promote the circular bioeconomy. Kinetic models and framework of techno-economic analysis of system were discussed and knowledge gaps have been identified for future research. This system will provide sustainable approach and offer carbon capture and storage in form of biochar in soil.
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