Environmental Engineering Reference
In-Depth Information
Lime
Fiber to mills
Raw juice
Coarse
screening
Lime
treatment
Filtrate
Limed juice
Flocculant
Mud
Filter cake
Decantation
Filtration
Wash water
Clariied juice to
evaporation
Bagacilho
FIGURE 13.3
Clarification.Suspended particles are removed from the juice.
Thickened and
sterilized juice
Evaporation
Sterilization
Clariied
juice
Juice vapor and condensate
FIGURE 13.4
Evaporation and sterilization.
Wash water
CO
2
+ H
2
O
Fermentation vapor
Scrubber
Recovered
ethanol
Sterilized
juice
Clariied
wine
Yeast
separation
Fermentation
Concentrated
yeast
Dilute acid
Yeast
treatment
FIGURE 13.5
Fermentation. Ethanol is not only recovered from the liquid but also from the
off-gas. The yeast is recycled.
Search WWH ::
Custom Search