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https://doi.org/10.3390/en12142678

has been cited by the following article:

• TITLE: Design Considerations of a Flexible Biogas Digester System for Use in Rural Communities of Developing Countries

  AUTHORS: Jerome Ndam Mungwe, Derek Ajesam Asoh, Edwin Mbinkar

  KEYWORDS: Flexible Biogas Digester System, Design Parameters, Biogas in Rural Communities, Biogas in Sub-Sahara Africa, Digester Design Factors

  JOURNAL NAME: Journal of Sustainable Bioenergy Systems, Vol.11 No.4, December 24, 2021

  ABSTRACT: Several challenges are associated with the development, adoption and deployment of biogas digesters in developing countries. Amongst these challenges is a comprehensive and systematic procedure for the design of digesters suitable for rural communities. This paper proposes the Flexible Biogas Digester System (FBDS) as a viable option for rural communities in developing countries and provides a detailed step-by-step procedure for its design. The biogas production process is a function of the digester operating factors which may be grouped into physical, process and performance parameters. The physical design parameters include the digester volume, the volume of the biogas storage tank, and the volume of the installation pit. The process parameters include total solid content of the slurry (TS), organic loading rate (OLR), digester operating temperatures, pH of the slurry inside the digester. The performance parameters include biogas production rate, biogas productivity and biogas quality. The Net Present Value and the Levelised Cost of Energy are presented for simple economic evaluation of the FBDS.