字幕列表 影片播放 列印英文字幕 Smart Learning for All Biogas Plant. Why do we require anaerobic microorganisms to prepare biogas? Biogas is a gas that consists of around 50-70% methane. This gas is produced from the breakdown of organic and biodegradable matter by microorganisms. Microorganisms can either be aerobic or anaerobic. However, in the production of biogas, anaerobic microorganisms are essential. This is because, only anaerobic microorganisms produce methane which is the most essential component of biogas. Aerobic microorganisms do not produce that much methane as they use most of it themselves. Therefore, for the production of biogas, anaerobic microorganisms are used. For more educational videos please visit http://www.SmartLearningforAll.com Also, don't forget to subscribe to our YouTube channel.