Hydrogen Colours
- José M Soria
- 11 feb 2023
- 1 Min. de lectura

Hydrogen is a colourless gas, nevertheless in the present days the energy industry has assigned a different colour code to differentiate among the different type of hydrogen production technologies.
Carbon footprint is the total greenhouse gas (GHG) emissions
Steam Reforming process is a key techology for the manufacture of synthesis gas and hydrogen
A large variety of gas compositions can be manufactured by choosing the operating parameters (S/C, CO2/C, Pressure, T)
STEAM REFORMING (SMR)
CH4 + H2O = CO + 3H2 (endothermal)
CH3OH+H2O = CO2 + 3H2 ()
+ another hydrocarbon conversion
PARTIAL OXIDATION (POX)
CH4 + O2 = CO + 2H2
CH3OH +1/2O2 = CO2 +2H2
CH3OH = CO + 2H2
+another hydrocarbon conversion
WATER-GAS SHIFT (WGS) /REVERSE WATER-GAS SHIFT
CO+H20 = CO2 + H2 (WGS)
CO2 + H2 = CO + H20 (RWGS)
CARBON FORMATION
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