Maximum CO2 production of 43 mmol of CO2 (per 700 gFW of
food waste) was obtained when the food waste was fermented at
40 -
C using 10 ml inoculums (-
50 106 cells) and the feedstock
load was 700 gFW/l. CO2 gas would have been produced mainly
from the sugars present in the feedstock during the process of
EtOH synthesis by conversion of pyruvic acid into CO2 and ethanol.
It seemed that most CO2 and ethanol was produced in the first few
days of the incubation came from readily available sugars