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Carbon2Chem®

Carbon2Chem®

The processes in an integrated steel plant produce vast amounts of carbon dioxide as well as nitrogen, carbon monoxide and small hydrocarbons. The usual way to discharge these gases is to burn them and use the heat and/or electricity in the steelmaking process, producing even more carbon dioxide.

Chemical feedstock possibilities

As the composition of the top gases resembles the composition of usual chemical syngases, it is an easy and straightforward idea to produce base chemicals and fertilizers such as ammonia, urea and methanol instead of just generating electricity and heat.

Additional carbon dioxide-free hydrogen needed

As an integrated steel mill does not produce enough hydrogen via its coke oven section, additional hydrogen is needed which needs to be produced by a carbon dioxide-free method to considerably reduce greenhouse gas emissions. Here thyssenkrupp’s advanced alkaline water electrolysis process is a key component for the successful operation of such downstream plants.

  • Steel mill gases as feedstock for products
  • Adding value to waste gases
  • Water electrolysis necessary for additional carbon-free hydrogen
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