Skip to main content

Advertisement

Table 3 Production and economic summary for 1G scenarios and {20% WIS, 96 h, 250% EHE} cases

From: Effects of production and market factors on ethanol profitability for an integrated first and second generation ethanol plant using the whole sugarcane as feedstock

     {20% WIS, 96 h, 250% EHE}
   1G 1G + 2G
Factor Unit    C5 biogas C5 EtOH
   B B + L B B + L B B + L
Ethanol production L/dry ton SCa 274 274 387 442 478 585
Electricity export MW 68 124 42 69 12 30
Electricity export kWh/ton SCb 126 230 78 128 22 56
Total investment cost c million US$ 217 261 408 486 359 454
2G MESP US$/BOE - - 162 156 93 93
1G + 2G MESP US$/BOE 69 61 97 97 79 78
  1. aLeaves are excluded; bdenotes ton of sugarcane including 70.6 wt% moisture, leaves are excluded; cestimated by using Aspen Process Economic Analyzer and includes the equipment capital cost, installation, buildings, labour and contingency. For case definitions see Table 1. 1G, first generation; 2G, second generation; B, bagasse; B + L, bagasse with addition of leaves; BOE, barrel of oil equivalent; C5 biogas, biogas production from pentoses; C5 EtOH, pentose fermentation to ethanol; EHE, enzymatic hydrolysis efficiency; SC, sugarcane, WIS, water-insoluble solids.