Problems with hydrogenation refining reactors
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We have a diesel refining capacity of 300,000 tons per year, with a high pressure of 6.0 MPa and a reactor inlet temperature of 310 degrees； Export 360 degrees; raw materials include Chai, Changchai, and coker diesel and gasoline ； Are these raw materials in a liquid phase or a gas phase inside the reactor?
Gas-liquid mixing: the vaporization rate is better the closer it is to 1
Two-phase hydrogenation. Diesel hydrogenation is generally carried out as a two-phase hydrogenation process, and controlling the gasification rate is sufficient.
How to control the gasification rate； Is it the temperature rise of the bed layer or something else? How is the gasification rate calculated!
Actually, it doesn’t have much of an impact; there’s no need to worry about it. Diesel hydrogenation is essentially a two-phase hydrogenation process, with the reaction temperature determining the sulfur content of the product. In fact, cracking reactions occur to a limited extent during diesel hydrogenation, and the distribution of the product is mainly controlled in the distillation section.
I’ve learned about it; it’s quite good. We are also working on diesel hydrogenation, which is a two-phase process. It would be amazing if someone could invent a fully liquid-phase hydrogenation method. It is said that full-fluid-phase hydrogenation research is quite popular these days, but many problems remain unsolved.
In diesel hydrogenation, it should be in a gas-liquid two-phase mist state
The conventional production processes all take place in a gas-liquid two-phase state, as hydrogen is in excess； There is now full liquid-phase hydrogenation, where hydrogen is dissolved in the oil phase to participate in the reaction.