| 摘要 |
A catalytic reaction vessel makes hydrogen from a hydrocarbon feedstock and steam using heat stored in the vessel, and the vessel is then regenerated to restore the heat. Regeneration is done by preheating, separately and within the vessel, an oxygen containing gas and a hydrogen purge gas, and mixing these preheated gases so that they combust within the vessel and heat material disposed in the vessel. This is the heat which is used in converting the hydrocarbon feedstock to hydrogen.
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