Anaerobic Digestion
Anaerobic digestion like composting uses biological processes to decompose organic
waste. However, where composting can use a variety of microbes and must have air,
anaerobic digestion uses bacteria and an oxygen free environment to decompose the
waste. Aerobic respiration, typical of composting, results in the formation of Carbon
dioxide and water. While the anaerobic respiration results in the formation of Carbon
Dioxide and methane. In addition to generating the humus which is used as a soil
enhancer, Anaerobic Digestion is also used as a method of producing biogas which can
be used to generate electricity.