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Journal of Alternate Energy Sources & Technologies Review Article

Performance Analysis of Biogas Production from Onion Leaves and Cow Dung Compositions

  1. Ibrahim Yusha’u Yauri Kaduna Electricity Distribution Company of Nigeria
  2. Umar Muhammad Kangiwa Department of Physics, Faculty of Physical Sciences, Kebbi State University of Science and Technology Aliero
  3. Mudassir Na-Allah Department of Physics, Faculty of Physical Sciences, Kebbi State University of Science and Technology Aliero
  4. Musbahu Dalhatu Department of Research and Development, Hydraulic Equipment Development Institute Kano

Abstract

Biogas could be obtained from agricultural byproducts; and onion leaves and cow dung is agricultural byproduct abundantly available in Aliero Northwestern Nigeria. This study entails biogas production from onion leaves, cow dung and their mixtures. The onion leaves and cow dung at equal proportions and the sum of their half (Mixture) were poured into three 25 l digesters for experimental investigations. The optimal biogas yields, the component composition of gases and calorific values of the produced biogas were investigated. The result revealed that cow dung, onion leaves and mixtures have maximum biogas productions of 311.86, 379.7 and 481.1 ml/kg respectively, at 31, 28 and 31°C respectively. Moreover, biogas productions from the cow dung, onion leaves and mixtures were reported to have optimal yield of 311.60±35.43, 379.70±68.00 and 481±136.50 ml/week respectively. The calorific value test indicated that, biogas produced from cow dung has higher calorific value of 9.41 kcal/m3 with 1.05% carbon dioxide, and 10.97% of methane and 0.28% H2 contents compared to onion leaves and mixture. The result obtained confirmed that cow dung, onion leaves, and mixture are good substrates for biogas production. Moreover, biogas from cow dung is a very good energy potential due to its higher methane content and its utilization for domestic application could replace the use of conventional fossil fuels which are more costly and hazardous to the environment.

Keywords

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