|
Parameter
|
Unit
|
Current
|
Future
|
|---|
|
Crop type
|
-
|
Straw residue
|
SRC hybrid poplar
|
|
Crop yield
|
odt ha-1 year-1
|
5
|
25
|
|
Pretreatment method
|
-
|
Dilute acid
|
CO2 explosion
|
|
Process integration
|
-
|
SSF
|
CBP
|
|
Pretreatment conversion*
|
%cellulose
|
75.0
|
98.0
|
|
Fermentation conversion
|
%sugars
|
95.0
|
95.0
|
|
Ethanol yield**
|
lEtOH odt-1
|
281
|
382
|
|
Process titre
|
wt%EtOH
|
5.0
|
35.0
|
|
Process hot utility
|
MJ MJEtOH-1
|
0.17
|
0.00
|
|
Distillation hot utility***
|
MJ MJEtOH-1
|
0.26
|
0.20
|
- *Assumes equal conversion of both cellulose and hemicellulose fractions
- **Pure ethanol product
- ***Distillation includes both Stripping and Rectification stages for the Current technology
