| 摘要 |
PROBLEM TO BE SOLVED: To provide a dehydrogenation system capable of suppressing deterioration of a dehydrogenation catalyst.SOLUTION: A control unit 23 places the inside of a reaction vessel 31 into an atmosphere of hydrogen-containing gas through a hydrogen supply unit 22 when supply of raw materials to a dehydrogenation reactor 3 by a raw material supply unit 21 is stopped. In this state, the control unit 23 maintains a condition of a hydrogenation reaction rate being larger than a dehydrogenation reaction rate as a reaction condition for the dehydrogenation reactor 3. Consequently, hydrogenation reaction progresses between hydrogen in the hydrogen-containing gas and remaining dehydrogenated products in the reaction vessel 31. By hydrogenating the remaining dehydrogenated products in this manner, deterioration of a dehydrogenation catalyst can be suppressed.SELECTED DRAWING: Figure 2 |
