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  1. 1. Ethanol
  2. 2. Key wordsMicrobesHydrationCatalystFermentation
  3. 3. Ethanol can be produced by two different processes:Hydration and fermentation.Ethanol can be produced by hydration of ethene withsteam in the presence of a catalyst. ethene + steam ethanol C2H4 + H2O C2H5OH
  4. 4. Ethanol can also be produced by fermentation withyeast, using renewable resources.This can be represented by: sugar carbon dioxide + ethanol C6H12O6 2CO2 + 2C2H5OHUsing ethane to make ethanol needs non-renewable crude oil as its raw material, whereasfermentation uses renewable plant material.
  5. 5. Advantage Disadvantage HydrationFermentation