Journal
BIORESOURCE TECHNOLOGY
Volume 301, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2020.122778
Keywords
Resource recovery; Organic solid waste; Circular economy; Anaerobic digestion; Composting
Funding
- National Natural Science Foundation of China, China [31750110469]
- Shaanxi Introduced Talent Research Funding, China [A279021901]
- Introduction of Talent Research Start-up Fund, College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province, China [Z101021904]
- Mobility for Regional Excellence-2020 [RUN 2017-00771]
- European Union's Horizon 2020 Research and Innovation Programme under the Marie Sklodowska-Curie grant at University of Boras, Boras, Sweden [754412]
- Guizhou Science and Technology Corporation Platform Talents Fund, China [[2017]5733-001, CK-1130-002]
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With the inevitable rise in human population, resource recovery from waste stream is becoming important for a sustainable economy, conservation of the ecosystem as well as for reducing the dependence on the finite natural resources. In this regard, a bio-based circular economy considers organic wastes and residues as potential resources that can be utilized to supply chemicals, nutrients, and fuels needed by mankind. This review explored the role of aerobic and anaerobic digestion technologies for the advancement of a bio-based circular society. The developed routes within the anaerobic digestion domain, such as the production of biogas and other high-value chemicals (volatile fatty acids) were discussed. The potential to recover important nutrients, such as nitrogen through composting, was also addressed. An emphasis was made on the innovative models for improved economics and process performance, which include co-digestion of various organic solid wastes, recovery of multiple bio-products, and integrated bioprocesses.
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