International Journal of Renewable Energy and Environmental Sustainability (IJREES)

EMPIRICAL INVESTIGATION OF THE COWDUNG YIELD AND PERFORMANCE EVALUATION OF A 20 M3 FIXED-DOME DIGESTER

Authors

  • J. Sani Department of Energy and Applied Chemistry, Usmanu Danfodiyo University Sokoto
  • B.U Bagudo Department of Pure and Environmental Chemistry, Usmanu Danfodiyo University Sokoto.
  • Y. Hassan Sokoto Energy Research Center, Usmanu Danfodiyo University Sokoto.
  • S.M Maishanu Department of Biological Sciences, Usmanu Danfodiyo University Sokoto
  • S.M. Gulma Sokoto Energy Research Center, Usmanu Danfodiyo University Sokoto.
  • E.V.C Okoh Department of Energy and Applied Chemistry, Usmanu Danfodiyo University Sokoto.
  • M. Musa Sokoto Energy Research Center, Usmanu Danfodiyo University Sokoto.

Abstract

Environmental concerns regarding the indiscriminate disposal of biodegradable waste coupled with access to clean and sustainable energy sources have been a major challenge confronting the globe. This study aimed to empirically quantify cowdung yield and characterize a 20 m3 fixed-dome biogas digester for heat generation. Empirical analysis of cowdung yield was performed by feeding three cows with different feeds for four weeks, and dried cowdung was fed into a digester for biogas production. The digester characteristics were determined experimentally by the computation of some  equations . The produced biogas was characterized using a gas analyzer and was used for water-boiling test (WBT) analysis. The results of the analyses show an optimum daily cowdung yield of 31.9±773 kg. Similarly, the plant characteristics show the capacity of the mixing chamber (2.674 m3) and digester (20 m3) with a total biogas production of 75.098 m3 after a retention period of 4 weeks at an average temperature of 42 0C and pH of 8.4 when a ratio of 1:5 (cowdung 2666.6 kg : water 10666.4 L) was used. Thus, for a dilution factor of 1:5, 1-kg cowdung produces 0.028 m3 of biogas.

Keywords:

Biodigester, biogas, cow-dung, fixed-dome, anaerobic digestion

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Published

2025-07-01

DOI:

https://doi.org/10.5281/zenodo.15781739

Issue

Vol. 10 No. 2 (2025): April-June

Section

Articles

How to Cite

Sani, J., Bagudo, B. U., Hassan, Y., Maishanu, S. M., Gulma, S. M., Okoh, E. V. C., & Musa, M. (2025). EMPIRICAL INVESTIGATION OF THE COWDUNG YIELD AND PERFORMANCE EVALUATION OF A 20 M3 FIXED-DOME DIGESTER. International Journal of Renewable Energy and Environmental Sustainability (IJREES), 10(2), 1–7. https://doi.org/10.5281/zenodo.15781739

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Copyright (c) 2025 J. Sani, B.U Bagudo, Y. Hassan, S.M Maishanu, S.M. Gulma, E.V.C Okoh, M. Musa

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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