Hydrogen production from natural gas
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During shutdown, a large-scale circulation is used to remove the hydrodesulfurization reactor in order to prevent the reduction of the catalyst; so what is the temperature range for hydrogen to reduce the catalyst? Where does methanation mainly occur?
We only perform hydrogenation, not desulfurization.
The catalyst is reduced at 230 degrees, the methanation reaction takes place above 250 degrees; hydrogen removal is sufficient, and desulfurization is not required. Are you stopping production to use two cycles?
The hydrogenation catalyst is kept below 200°C, and the methanation reaction primarily occurs on nickel-based catalysts