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Table 4 1G + 2G cost items and 1G + 2G MESP for all cases in US$/L

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

  C5 biogas C5 EtOH
Cost items for 1G + 2G MESP B B + L B B + L
  10% WIS 20% WIS 30% WIS 10% WIS 20% WIS 30% WIS 10% WIS 20% WIS 30% WIS 10% WIS 20% WIS 30% WIS
Sugarcane 0.17 0.17 0.17 0.15 0.15 0.15 0.13 0.13 0.13 0.11 0.11 0.11
Leaves 0.00 0.00 0.00 0.02 0.02 0.02 0.00 0.00 0.00 0.01 0.01 0.01
Capital cost, 48 h 0.24 0.22 0.21 0.26 0.24 0.23 0.17 0.16 0.15 0.18 0.16 0.16
Capital cost, 96 h 0.27 0.23 0.22 0.30 0.25 0.24 0.19 0.17 0.16 0.20 0.18 0.17
Labour, maintenance, 48 h 0.07 0.07 0.07 0.08 0.07 0.07 0.05 0.05 0.05 0.05 0.05 0.05
Labour, maintenance, 96 h 0.08 0.07 0.07 0.09 0.08 0.07 0.06 0.05 0.05 0.06 0.05 0.05
Net electricity cost, 48 h -0.06 -0.06 -0.06 -0.08 -0.09 -0.09 -0.02 -0.02 -0.02 -0.03 -0.03 -0.03
Net electricity cost, 96 h -0.06 -0.06 -0.06 -0.08 -0.08 -0.08 -0.02 -0.01 -0.01 -0.03 -0.03 -0.03
Enzymes, 100% EHE 0.09 0.09 0.09 0.12 0.12 0.12 0.08 0.08 0.08 0.09 0.09 0.09
Enzymes, 250% EHE 0.04 0.04 0.04 0.05 0.05 0.05 0.03 0.03 0.03 0.04 0.04 0.04
Acid 0.01 0.01 0.01 0.02 0.02 0.02 0.01 0.01 0.01 0.01 0.01 0.01
Base 0.004 0.004 0.004 0.004 0.004 0.004 0.003 0.003 0.003 0.003 0.003 0.003
Water consumption 0.004 0.002 0.002 0.005 0.003 0.002 0.002 0.001 0.001 0.003 0.001 0.001
1G + 2G MESP {48 h, 100% EHE} 0.54 0.51 0.50 0.57 0.54 0.53 0.43 0.42 0.41 0.44 0.41 0.41
1G + 2G MESP {96 h, 100% EHE} 0.58 0.53 0.52 0.62 0.55 0.54 0.46 0.44 0.42 0.48 0.44 0.43
1G + 2G MESP {48 h, 250% EHE} 0.48 0.45 0.44 0.50 0.46 0.45 0.39 0.37 0.36 0.38 0.36 0.35
1G + 2G MESP {96 h, 250% EHE} 0.52 0.47 0.46 0.55 0.48 0.47 0.42 0.39 0.38 0.42 0.38 0.37
  1. For case definitions see Table 1. 1G, first generation; 2G, second generation; B, bagasse; B + L, bagasse with addition of leaves; C5 biogas, biogas production from pentoses; C5 EtOH, pentose fermentation to ethanol; EHE, enzymatic hydrolysis efficiency; MESP, minimum ethanol selling price; WIS, water-insoluble solids.