Ethanol has been proposed as a potential fuel for a more sustainable economy. Th

Question

Ethanol has been proposed as a potential fuel for a more sustainable economy.

The formula for ethanol is C2H6O.

a. Write the chemical equation for the oxidation of ethanol.

b. The HHV for ethanol is 12,800 Btu/lbm. What is the LHV?

c. Write the chemical equation for combustion of ethanol in 100% theoretical

air? 400% theoretical air?

Explanation / Answer

a. The simplified form of the chemical equation for the oxidation of ethanol is CH3CH2OH + O ---> CH3CHO +H2O (3CH3CH2OH+ Cr2O7(2-)+8H(+) -->3CH3CHO +2CR(3+) +7H20 b. LHV = 11,500 Btu/lb source http://www.ces.ncsu.edu/forestry/biomass/pubs/WB008.pdf c. CH3CH2OH + 3 O2 ----> 2 CO2 + 3 H2O

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