Calculate the emissions reduction if a natural gas power plantis converted to biogas. 81 % of the biogas emissions are absorbedby regrowing the source material.
Fuel properties:
• methane content of Natural gas: 72 %
• calorific value of methane: 55 GJ/t
• ethane content of Natural gas: 20 %
• calorific value of ethane: 51 GJ/t
• remainder of Natural gas is CO2
• methane content of biogas: 54 %
• remainder of biogas is CO2
Calculate the percentage savings (e.g., if natural gas emitted 200units of CO2 and the resulted in a net emission of 120 units, thenthe percentage savings would be (200-120)/200 = 40%).
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