Technologies, challenges and perspectives of biogas production within an agricultural context. The case of China and Africa

Rufis Fregue Tiegam Tagne (), Xiaobin Dong (), Solomon G. Anagho (), Serena Kaiser () and Sergio Ulgiati ()
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Rufis Fregue Tiegam Tagne: University of Dschang
Xiaobin Dong: Beijing Normal University
Solomon G. Anagho: University of Dschang
Serena Kaiser: Parthenope University of Napoli
Sergio Ulgiati: Parthenope University of Napoli

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2021, vol. 23, issue 10, No 26, 14799-14826

Abstract: Abstract The use of fossil fuels in modern economies has been a success because of the low cost of fossil resources. However, the depletion of fossil reserves, the increase in waste production and global warming concerns have led to increased research on the production of biofuels from renewable resources. Waste production is steadily increasing in quantity and constantly changing in quality, creating enormous risks for the environment and, consequently, for the health of the population. This situation is much more worrying in developing countries, in particular because of the considerable delay in the field of the conversion and recovery of biomaterials, due to their difficulty in approaching the problem in a way that fits their context. The composition of such wastes and residues, rich in organic matter, allows their conversion via biochemical mechanisms, thus constituting an effective solution to address the environmental problems of their disposal. Anaerobic digestion remains a valuable and effective technology for transforming these biomaterials into biogas. The present review focuses on technologies, challenges and areas of application of biogas, especially in China and some African countries, in order to promote the large-scale use of biogas for electricity generation and biofuels. Results point out that China is more used to this technology, while African countries still rely on traditional and less advanced technologies, thus hampering the potential derived from the large availability of biomaterials. Both realities, however, share similar backgrounds about the dimension of the biogas plants and their non-commercial purposes, even if China is recently shifting toward the adoption of a different model. These considerations are used in the article to open an interesting new scenario of political alternatives which may provide a way out from poverty and economic dependence, within the framework of a wider circularity.

Keywords: Biogas; Biomass energy; Sustainable technologies; Waste to energy; Anaerobic digestion; Energy and development (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (8)

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DOI: 10.1007/s10668-021-01272-9

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