Advancing the bioconversion process of food waste into methane: a systematic review

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dc.contributor.authorWorkie, Endashaw
dc.contributor.authorKumar, Vinor
dc.contributor.authorBhatnagar, Amit
dc.contributor.authorHe, Yiliang
dc.contributor.authorDai, Yanjun
dc.contributor.authorTong, Yen Wah
dc.contributor.authorPeng, Yinghong
dc.contributor.authorZhang, Jingxin
dc.contributor.authorFu, Cunbin
dc.date.accessioned2023-01-03T16:09:44Z
dc.date.available2023-01-03T16:09:44Z
dc.date.issued2022-12-06
dc.description.abstractWith the continuous rise of food waste (FW) throughout the world, a research effort to reveal its potential for bioenergy production is surging. There is a lack of harmonized information and publications available that evaluate the state-of-advance for FW-derived methane production process, particularly from an engineering and sustainability point of view. Anaerobic digestion (AD) has shown remarkable efficiency in the bioconversion of FW to methane. This paper reviews the current research progress, gaps, and prospects in pre-AD, AD, and post-AD processes of FW-derived methane production. Briefly, the review highlights innovative FW collection and optimization routes such as AI that enable efficient FW valorization processes. As weather changes and the FW sources may affect the AD efficiency, it is important to assess the spatio-seasonal variations and microphysical properties of the FW to be valorized. In that case, developing weather-resistant bioreactors and cost-effective mechanisms to modify the raw substrate morphology is necessary. An AI-guided reactor could have high performance when the internal environment of the centralized operation is monitored in real-time and not susceptible to changes in FW variety. Monitoring solvent degradation and fugitive gases during biogas purification is a challenging task, especially for large-scale plants. Furthermore, this review links scientific evidence in the field with full-scale case studies from different countries. It also highlights the potential contribution of ADFW to carbon neutrality efforts. Regarding future research needs, in addition to the smart collection scheme, attention should be paid to the management and utilization of FW impurities, to ensure sustainable AD operations.en_UK
dc.identifier.citationWorkie E, Kumar V, Bhatnagar A, et al., (2023) Advancing the bioconversion process of food waste into methane: a systematic review. Waste Management, Volume 156, February 2023, pp. 187-197en_UK
dc.identifier.issn0956-053X
dc.identifier.urihttps://doi.org/10.1016/j.wasman.2022.11.030
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/18834
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectAnaerobic digestionen_UK
dc.subjectBiogasen_UK
dc.subjectExergyen_UK
dc.subjectFood wasteen_UK
dc.subjectMethaneen_UK
dc.subjectPretreatmenten_UK
dc.titleAdvancing the bioconversion process of food waste into methane: a systematic reviewen_UK
dc.typeArticleen_UK

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