It can be seen in Fig 4. the profile of ethanol production in pilot fermentor No.3 with 239 L of working
volume, fermentation by S.cerevisiae Mk. Accordance with enzymatic saccharification and fermentation
time, decreasing sugar level and increasing ethanol production. In the case of enzymatic saccharification
and fermentation were simultaneously performed, ethanol concentration reached 6.36% v/v during 36
hours fermentation which is close to 12.08 kg. Comparison to the theoritical ethanol production of
available glucose in the raw material, the yield of ethanol production in fermentor No. 3, reached 69%.
Xylose do not contribute to the yield since the fermenting organism S. cerevisiae does not ferment this
sugars. However enhanced yields are expected.