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Is There a Net Gain in Energy When Making Ethanol from Biomass?

April 26, 2017Biomass energy gain NET

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Is There a Net Gain in Energy When Making Ethanol from Biomass?

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The table below is derived from Tables 11.1 & 11.5 in Twidell & Weir » [3] The table shows how much energy it takes to make ethanol from sugarcane, timber or straw and compares it with the energy in the ethanol produced (30MJ / kg). The data suggest that the crops ‘waste’ material should be used to provide fuel for the conversion process in order to produce a significant energy surplus.