期刊
JOURNAL OF CLEANER PRODUCTION
卷 296, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2021.126430
关键词
Anaerobic digestion; Biorefining; Electrodialysis; Platform chemicals; Volatile fatty acid
资金
- EU [730349, 80835]
An industrially applicable methodology utilizing a novel combination of filtration and electrochemical separation technologies was successfully used to recover and enhance the production of volatile fatty acids. The yields of volatile fatty acids were increased and concentrated in a solution suitable for downstream conversion to platform chemicals. The study suggests that there is potential to further increase volatile fatty acid recovery rates and yields by increasing the capacity of the recovery methodology.
An industrially applicable methodology utilising a novel combination of filtration and electrochemical separation technologies was successfully used to recover, and enhance the production of, volatile fatty acids from an 82.5 L bioreactor, continually fed with grass at 5% total solids. Volatile fatty acid yields were increased from 287 to 404 mgvfa gvs-1 and concentrated up to 4800 mg L-1 in a solution suitable for downstream conversion to platform chemicals. This work also shows that there is considerable headroom to increase further volatile fatty acid recovery rates and yields by increasing the capacity of the recovery methodology. The novel methodology developed herein could help to address some of the environmental and economic concerns that have led to the need to diversify the ways in which grass is used as a resource, and represents an alternative to petrochemicals as a carbon source for platform chemical production. (c) 2021 Elsevier Ltd. All rights reserved. Superscript/Subscript Available
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