3. Upgrading Dairy Biogas to Biomethane and Other Fuels
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چکیده
Dairy biogas can be combusted to generate electricity and/or heat. This report, however, focuses on alternate uses of biogas including the upgrading of biogas to biomethane, a product equivalent to natural gas or other higher-grade fuels. Biomethane, which typically contains more than 95% CH (with the remainder as CO 4 2), has no technical barrier to being used interchangeably with natural gas, whether for electrical generation, heating, cooling, pumping, or as a vehicle fuel. The process can be controlled to produce biomethane that meets a pre-determined standard of quality. Biomethane can also be put into the natural gas supply pipeline, though there are major institutional barriers to this alternative.
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