Operation and Maintenance of Small-Scale Biogas Digesters: Scoping Review and Bibliometric Analysis of Literature


  • Mubarick Issahaku Regional Centre for Energy and Environmental Sustainability, University of Energy and Natural Resources, Sunyani – Ghana,Energy Technology Centre, School of Engineering, University for Development Studies, P. O. Box TL 1350, Tamale – Ghana
  • Nana Sarfo Agyemang Derkyi Energy Technology Centre, School of Engineering, University for Development Studies, P. O. Box TL 1350, Tamale – Ghana
  • Francis Kemausuor The Brew-Hammond Energy Center, College of Engineering, Kwame Nkrumah University of Science and Technology, Kumasi – Ghana


Biogas, operations and maintenance, scoping review, real-time monitoring, bibliometric analysis, Scopus, VOSviewer


Biogas technology has matured over the years and is gaining acceptance; however, challenges with optimum operation and maintenance of digesters are a massive hurdle for developing countries that threaten the successful adoption of the technology. The failures of biogas digesters leading to the low diffusion of the technology in developing countries have been attributed to several factors spanning from social to technical. This study employed a scoping review and bibliometric analysis to synthesize literature in the Scopus database to map and discuss scientific knowledge. The synthesized data suggest the need for real-time monitoring systems for the optimal operations and maintenance of small-scale biogas digesters. A bibliometric analysis with the VOSviewer software of the study suggested that there is limited research output from developing countries such as Ghana. It, therefore, necessitates the need for conscious commitments from stakeholders to invest resources to advance research to address the challenge. 


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How to Cite

Mubarick Issahaku, Nana Sarfo Agyemang Derkyi, & Francis Kemausuor. (2022). Operation and Maintenance of Small-Scale Biogas Digesters: Scoping Review and Bibliometric Analysis of Literature. American Scientific Research Journal for Engineering, Technology, and Sciences, 89(1), 184–215. Retrieved from https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/7884