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Table 2 Material, energy and costs required to produce 1 kg of lactic acid, caproic acid or decane

From: Electricity-assisted production of caproic acid from grass

  Lactic acid Caproic acid Decane
Material (kg TS)
 Grass 3.33 7.69 25.00
Energy (kWh)
 Pretreatment 0.67 1.54 5.00
 Extraction 2.00 2.00 2.00
 Kolbe electrolysis 3.28
 Total 2.67 3.54 10.28
Cost ($)
 Pretreatment 0.08 0.19 0.63
 Extraction 0.25 0.25 0.25
 Kolbe electrolysis 0.41
 Total 0.33 0.44 1.29
Selling price ($ kg−1) 1.00 1.60 0.41