Review Article

Zeolites: Promised Materials for the Sustainable Production of Hydrogen

Table 2

Reaction network for the steam reforming of bioethanol.

ReactionEquation

Reforming with excess of water CH3CH2OH + 3H2O 2CO2 + 6H2
Reforming with deficit of waterCH3CH2OH + H2O 2CO + 4H2
CH3CH2OH + 2H2 2CH4 + H2O
DehydrogenationCH3CH2OH C2H4O + H2
 Acetaldehyde decompositionC2H4O CH4 + CO
 Acetaldehyde reforming C2H4O + H2O 3H2 + 2CO
DehydrationCH3CH2OH C2H4 + H2O
 Coke formation C2H4 polymeric deposits (coke)
DecompositionCH3CH2OH CO + CH4 + H2
2CH3CH2OH C3H6O + CO + 3H2
CH3CH2OH 0.5CO2 + 1.5 CH4
MethanationCO + 3H2 CH4 + H2O
CO2 + 4H2 CH4 + 2H2O
Decomposition of methane CH4 2H2 + C
Boudouard reaction 2CO CO2 + C
Water gas shift reactionCO + H2O CO2 + H2