Biogas is produced from the anaerobic digestion of organic matter. Its primary components are methane (CH4) and carbon dioxide (CO2). Methane is the main combustible component and typically constitutes the largest proportion of biogas, usually ranging from 50% to 75%. Carbon dioxide is the second largest component, making up 25% to 50%.
Which one of the following is the largest composition in biogas ?
Asked in UPSC NDA 2 2020 · Topic: Non-Conventional Energy (Biomass Energy: Biofuels (bioethanol, biodiesel, biogas) and waste-to-energy)
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