Pre-sulfurization of the catalyst
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May I ask, experts, do all catalysts used for hydrogen production require pre-sulfurization?
All catalysts for hydrogen production require pre-sulfidation, as they exhibit the highest activity in their sulfided state； However, the hydrogenation catalyst used is in a sulfided state and only requires activation.
Hydrogenation catalysts generally require pre-sulfurization, as only in a sulfided state can the catalyst achieve its highest activity.