Sustainable Biogas Generation Modeling for Climate Change Mitigation: Regression Analysis of Renewable Feedstocks Using C/N Ratio and Volatile Solids Content


Authors : Eme Luke Chika; Moluno Anthony Ndidi

Volume/Issue : Volume 10 - 2025, Issue 6 - June


Google Scholar : https://tinyurl.com/yej2br26

DOI : https://doi.org/10.38124/ijisrt/25jun1405

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Abstract : The study presents a comprehensive assessment of biogas production from renewable organic feedstocks, specifically cow dung, pig dung, poultry droppings, and cassava peels. A simplified linear regression model was employed to evaluate the influence of two key biochemical parameters—the volatile solids (VS) content and carbon-to-nitrogen (C/N) ratio —on biogas yield (m3/kg). The results reveal a strong predictive relationship (R2 = 0.994), confirming that feedstocks with higher VS contents and lower C/N ratios significantly enhance biogas generation. The developed model provides a reliable and accessible framework for optimizing feedstock selection and anaerobic digestion performance. This research advances sustainable bioenergy practices and aligns with global initiatives promoting renewable energy development and climate change mitigation.

Keywords : Biogas Yield, Carbon-to-Nitrogen Ratio, Volatile Solids, Anaerobic Digestion, Renewable Energy.

References :

  1. Gunaseelan, V. N. (2004). Biochemical methane potential of fruits and vegetable solid waste feedstocks. Biomass and Bioenergy, 26(4), 389–399. https://doi.org/10.1016/j.biombioe.2003.08.001
  2. Itodo, I. N., Ogedengbe, M. O., & Abubakar, M. M. (2007). Effect of substrate concentration on biogas yield from poultry droppings. Nigerian Journal of Renewable Energy, 15(1), 15–19.
  3. Moluno Anthony Ndidi; Eme Luke Chika; Nwanneka C. Mmuonwuba; Ohaji Evans; (2025) Harnessing Agro-Waste for Electricity Generation: A Pathway to Environmental Sustainability and Energy Poverty Reduction in The Niger Delta. International Journal of Innovative Science and Research Technology, 10(6), 20-27. https://doi.org/10.38124/ijisrt/25jun019
  4. Mshandete, A. M., & Parawira, W. (2009). Biogas technology research in selected sub-Saharan African countries. African Journal of Biotechnology, 8(2), 116–125. https://doi.org/10.5897/AJB09.177
  5. Ward, A. J., Hobbs, P. J., Holliman, P. J., & Jones, D. L. (2008). Optimisation of the anaerobic digestion of agricultural resources. Bioresource Technology, 99(17), 7928–7940. https://doi.org/10.1016/j.biort ech.2008.02.044
  6. Zhang, R., & Zhang, Z. (1999). Biogas generation from animal wastes by anaerobic digestion. Transactions of the ASAE, 42(4), 1261–1265. https://doi.org/10.13031/2013.13328

The study presents a comprehensive assessment of biogas production from renewable organic feedstocks, specifically cow dung, pig dung, poultry droppings, and cassava peels. A simplified linear regression model was employed to evaluate the influence of two key biochemical parameters—the volatile solids (VS) content and carbon-to-nitrogen (C/N) ratio —on biogas yield (m3/kg). The results reveal a strong predictive relationship (R2 = 0.994), confirming that feedstocks with higher VS contents and lower C/N ratios significantly enhance biogas generation. The developed model provides a reliable and accessible framework for optimizing feedstock selection and anaerobic digestion performance. This research advances sustainable bioenergy practices and aligns with global initiatives promoting renewable energy development and climate change mitigation.

Keywords : Biogas Yield, Carbon-to-Nitrogen Ratio, Volatile Solids, Anaerobic Digestion, Renewable Energy.

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Paper Submission Last Date
31 - July - 2025

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