Should a hydrogenation reactor be treated as a waste heat boiler when it generates low-pressure steam as a by-product of the reaction heat?
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When benzene is hydrogenated to produce cyclohexane, low-pressure steam at a rate of 5 tons per hour and a gauge pressure of 0.3 Mpa is generated as a by-product of the reaction. Should this hydrogenation reactor be treated as a waste heat boiler? Please help and give some advice, thank you!
Personal opinion: No. Just as in a diesel hydrogenation reactor, the reaction heat is used to heat the cold light components, thereby preheating the reaction materials ； The reactor cannot be treated as a heat exchanger.
I also think it’s not possible; I remember that benzene hydrogenation is an endothermic reaction! This reaction produces combustible gases as a by-product; could a gas boiler be installed?