How is ethanol manufactured from sugarcane?

1.	How is ethanol manufactured from sugarcane?
Answer» Solution :Fermentation method can be used to obtain ethanol from sugarcane. Actually, in industries `C_(2)H_(5)OH` is prepared by the fermentation of molasses, which is a by product obtained during manufacture of sugar from sugarcane. It is converted into ethanol by following steps. (i) Dilution of molasses (II) Addition of nitrogen source (iii) Addition of YEAST (iv) Distillation of wash Chemical reactions: `UNDERSET("sugar")(C_(12)H_(22)O_(11))+H_(2)Ooverset("Invertase")rarrunderset("Glucose")(C_(6)H_(12)O_(6))+underset("Fructose")(C_(6)H_(12)O_(6))` `underset("Glucose or Fructose")(C_(6)H_(12)O_(6))OVERSET("Zymase")rarrunderset("Ethanol")(2C_(2)H_(5)OH)+2CO_(2)`

Discussion