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Table 7 Main results from process analysis for methanol, ethanol, 1-butanol, i-octanol, and DME taken from Schemme et al. [74]. Base case: 4.6 €/kg H2, 70 €/t CO2, interst rate: 8%, process steam: 32 €/t, cooling water: 0.1 €/t, operating electricity: 9.76 €ct/kWh

From: Thermodynamic and ecological preselection of synthetic fuel intermediates from biogas at farm sites

SubstanceMethanolEthanol1-Butanoli-OctanolDME
Cost base case/€/lDE1.892.222.532.851.85
Energy demand/MJ/lDE6270798660
Efficiency PTF/%5851464260
Excess heat/MJ/lDE36980
CAPEX/€2354326731137298