Chapter 10

Biogas Energy

KEY CONCEPTS

  • Biogas and its composition
  • Anaerobic digestion and process stages of anaerobic digestion
  • Construction and working of biogas plants
  • Types of biogas plants
  • Factors affecting the selection of a particular model of a biogas plant
  • Biogas plant feeds and their characteristics

Biogas is a mixture of different gases, such as methane, carbon dioxide, hydrogen, etc., produced by the biological breakdown of organic matter in the absence of oxygen. It is a renewable energy source, and in many cases, it exerts a very small carbon footprint. Biogas can be produced by either anaerobic digestion with anaerobic bacteria, which digest material inside a closed system, or fermentation of biodegradable materials. It is primarily ...

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