Co:Fe=
100:0
Co-Fe
• 
• 
• 
• 
• 
100
80
60
40
20
0
Co:Fe=
Co:Fe=
95:5
90:10
: H2, : CO, : CO2, :
CH4
Reaction temperature: 723K
Ethanol:water molar ratio: 1:6.5
Co:Fe=
80:20
Carbon conversion (%)
500
400
300
200
100
0
Product yields (mol/200mol of carbon atoms)
Product yields (mol/100mol of ethanol)
143
500
400
300
200
100
0
Outlet
Inlet gas
gas
Co:Fe=
Co:Fe=
95:5
90:10
: H2, : CO, : CO2, :
CH4
Reaction
temperature: 723K
Flow rates of inlet gas: CO/CO2/H2/N2/H2O=0.16/0.16/0.6/2.2/0.56
[mmol/min]
CO
CO2
Co:Fe=
100:0
Reaction mechanism of ethanol steam reforming
CH3CH2OH → CH3CHO + H2
CH3CHO + H2O → 2CO + 3H2
2CO + 2H2O → 2CO2 + 2H2
CH3CH2OH+3H2O→2CO2+6H2
CH4 production during ethanol steam reforming
CH3CH2OH + H2 → CH4 + CH3OH
CH3CHO + H2 → CH4 + CH2O
CO + 3H2 → CH4 + H2O
CO2 + 4H2 → CH4 + 2H2O
Co Fe 5-10%

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H3C N H3C C H H

CH3