Economic Perspectives of Biogas Production via Anaerobic Digestion

Bioengineering
Arpit H Bhatt, Ling Tao

Abstract

As the demand for utilizing environment-friendly and sustainable energy sources is increasing, the adoption of waste-to-energy technologies has started gaining attention. Producing biogas via anaerobic digestion (AD) is promising and well-established; however, this process in many circumstances is unable to be cost competitive with natural gas. In this research, we provide a technical assessment of current process challenges and compare the cost of biogas production via the AD process from the literature, Aspen Plus process modeling, and CapdetWorks software. We also provide insights on critical factors affecting the AD process and recommendations on optimizing the process. We utilize four types of wet wastes, including wastewater sludge, food waste, swine manure, and fat, oil, and grease, to provide a quantitative assessment of theoretical energy yields of biogas production and its economic potential at different plant scales. Our results show that the cost of biogas production from process and economic models are in line with the literature with a potential to go even lower for small-scale plants with technological advancements. This research illuminates potential cost savings for biogas production using different wastes and ...Continue Reading

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Citations

Sep 26, 2020·Scientific Reports·Abeer Al-WahaibiDavid W Rooney
Jan 9, 2021·Bioresource Technology·Wei Wang, Duu-Jong Lee
Dec 11, 2020·Bioengineering·Marcell Nikolausz, Jörg Kretzschmar
Nov 13, 2021·Environmental Science and Pollution Research International·Arael Alfonso-CarderoJunior Lorenzo-Llanes

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Software Mentioned

CapdetWorks
Aspen Plus

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