Plant for the production of green ammonia Brunsbüttel
The plant comprises two process steps:
1. production of green hydrogen from RE electricity using solid oxide electrolysers (SOEC).
2. production of green ammonia from green hydrogen and atmospheric nitrogen using the Haber-Bosch process. The waste heat from the exothermic ammonia synthesis is fed to the SOEC as steam, i.e. the plant as a whole is energetically integrated and therefore has a high degree of efficiency. Ammonia is stored and transported away by rail tank wagon or ship. The plant is operated intermittently and thus follows the fluctuating supply of RE electricity. The plant is built in a completely modular way.
Facts
Locations
H2-Produktion:
Brunsbüttel, ChemCoastPark, Gelände der Covestro (Ostteil, d.h. Gemeinde Büttel)
Abwärmenutzung:
Brunsbüttel, ChemCoastPark, Gelände der Covestro (Ostteil, d.h. Gemeinde Büttel)
Technical information
Hydrogen production/supply:
Own hydrogen production via a high-temperature electrolysis (SOEC) with an electrolysis capacity of 100MW. This enables hydrogen production of 31 tonnes per day on average.
H2 storage and transport:
No hydrogen storage is planned.
H2 utilisation:
The hydrogen produced in-house is used to produce green ammonia.
Waste heat utilisation:
The waste heat from the Haber-Bosch reactor is used to produce the process steam for electrolysis.
Planned expansion(s):
Due to the modular design, expansion is possible and also planned.
Other by-products:
The oxygen produced during electrolysis is released to the atmosphere as an oxygen-enriched air stream.
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