Biogas: Turn Waste into Power

Biogas is a form of natural gas produced by the breakdown of manure, food waste, plant material, sewage or landfill decomposition. There are several methods of breaking down these substances including compaction, anaerobic digestion(thermophilic & mesophilic are subtypes), pyrolysis, and gasification. The resultant product is a mixture of methane and carbon dioxide. This mixture can be prepared for numerous uses including transportation, power generation, natural gas production via biogas upgrading and ethanol production.

First organic waste is placed into a digester tank; then bacteria are added. After the anaerobic process is started we use an agitator to stimulate further breakdown of the waste product. The agitator allows the bacteria to digest as much as possible. During this time, biogas is collected from the tank for later use. If manure is used, then you will be left with clean, sterile manure for use as a fertilizer.

Biogas is an important part of the energy industry, as many buses and trains run on biogas. Additionally, Biogas is used for nearly 90% of all ethanol production. The gas can also be used to generate power on site with a CAT Ag Biogas engine or treated to become natural gas for use in different systems. Biogas systems have a negligible carbon footprint.

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