blue hydrogen

Hydrogen gas (H2) or Dihydrogen is a gas. At normal ambient temperature, it is made of two atoms of the chemical element hydrogen (H).

Hydrogen is currently experiencing a increasing interest despite years of usage. This main focus is mostly driven by the so called “Green Hydrogen” promising a clean fuel for the service of the Energy Transition.

Now, in the Energy transition scenario, hydrogen comes as a natural vector of energy for many applications where the electricity is unable to supplant oil & gas.

The Green Hydrogen, not to be confused with the Grey Hydrogen and the Blue Hydrogen, is the production of Hydrogen from water (H20) splitting.
The Green Hydrogen production is based on the water Electrolysis. Meaning, the electricity injected in the liquid is going to separate the water molecule into hydrogen and oxygen.

Blue Hydrogen, not to be confused with Grey Hydrogen and Green Hydrogen, is an hybrid concept targeting to decarbonize today hydrogen production.
The concept of what is called Blue Hydrogen is a combination of a Grey Hydrogen plant with a facility of Carbon Capture.

The Grey Hydrogen, to differentiate from blue and green ones, is today the most popular process to produce hydrogen worldwide.
This method of production is based on the fracking of methane, in combinaison with steam to produce hydrogen.