Techno-economic evaluation of integrated first- and second-generation ethanol production from grain and straw

Table 5 Descriptions of the cases simulated

Case	1G^a	E1^a	B1^a	C5E1^a	C5B1^a	UB1^a	UC5B1^a
C6 fermentation only	x	x	x			x
C5&C6 fermentation				x	x		x
Evaporation thin stillage	x	x		x
Biogas from thin stillage			x		x	x	x
Upgrading of biogas to vehicle fuel quality						x	x

^aThe cases are denoted with “1” to indicate that the biogas yield was 80 % of the theoretical value (cases with a biogas yield of 60 % will be denoted with the number 2)

ISSN: 2731-3654