Biogas is a byproduct of the biological breakdown of organic material. The captured gas, which is mostly composed of Methane, Carbon Dioxide and Nitrogen, can be used for a variety of applications. Biogas can be used for heating and can be compressed or upgraded for use in combustion engines or fuel cells. Included in this data set are methods for producing biogas, including anaerobic digesters, fermentation techniques, gasifiers and landfill gas capture systems.

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