Grey and Brown Hydrogen

Grey and brown hydrogen have traditionally been used in the energy and industrial sectors, but due to their high carbon emissions, transitioning to cleaner alternatives like green hydrogen has become essential.

Grey Hydrogen

  • Production Method: Grey hydrogen is primarily produced through steam methane reforming (SMR) of natural gas (methane). The resulting CO₂ and other greenhouse gases are released directly into the atmosphere without capture.
  • Environmental Impact: Although the most commonly used form of hydrogen, grey hydrogen results in significant CO₂ emissions, exacerbating climate change.

Brown Hydrogen

  • Production Method: Brown hydrogen is produced via coal gasification, especially using lignite. First, syngas is ....
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