Table 5 Process data and yield assumptions

Sugarcane feedstock

165

dry ton/h

Leaves:bagasse ratio added to the process

50%

dry weight

Steam pretreatment - sugar yield

95%

of theoretical

Steam pretreatment - residence time

5

minutes

Enzymatic hydrolysis - release of sugars

95%

of theoretical

Ethanol fermentation - yield from hexoses and pentoses

95%

of theoretical

Ethanol fermentation - residence time

8.2

hours

Solid/liquid separation - yield

95%

of theoretical

Methane yield from sugars, alcohols and organic acids

95%

of theoretical

COD converted to biogas

95%

of theoretical

COD conversion rate

1.0

g_COD/L/h

Ethanol titer after distillation and dehydration

99.5%

weight

Boiler pressure

90

bar

Boiler temperature

530

°C