Biotechnology for Biofuels and Bioproducts

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

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.

Back to article page

ISSN: 2731-3654

Contact us

General enquiries: journalsubmissions@springernature.com