What is Biogas? July 14, 2016 Biogas is a by-product of a process called Anaerobic Digestion. In this system, biodegradable refuse (municipal solid waste, food waste, fats, and oils) is collected into an air tight container to be broken down by a variety of microorganisms to become a methane-rich gas that can be used as an alternative to natural gas. The use of biogas as a form of energy dates back to the tenth century BC within Assyria where it was used to heat bath…
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