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 |