Steam stripping and hydrogen stripping in the stripper of the diesel hydroprocessing unit
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Dear experts, for the stripping towers in diesel and gasoline hydrogenation units, steam is used for stripping – has anyone switched to using hydrogen for this purpose? How’s it working? Are there any adverse effects? How is the process designed? Thank you to all the experts
It was used in the past, but it’s hardly used anymore; medium-pressure steam is used instead, as hydrogen is dangerous.
It turned out that hydrogen was used in the past~~~ but it wasn’t used anymore later on~~~
It’s better not to use hydrogen. Using hydrogen carries a high risk. Nitrogen can also be used.
The product becomes crystal clear! Consider how to handle the exhaust gas. Furthermore, the products obtained through hydrogen stripping do not meet the safety requirements for storage and transportation. Consider it as appropriate. Just add it after the original steam control valve.
Hydrogen stripping is too dangerous! ! ! It’s best not to use it. We use natural gas
How effective is natural gas stripping? How does the process work? Thank you
Since we use a single-tower reboiling process, we dare not use steam. The natural gas system was modified by myself; an exhaust port was installed at the bottom of the tower to connect it
We have considered using nitrogen, but it hasn’t been implemented yet. Why use steam? Have there been any problems?
Our unit is designed with both hydrogen and steam stripping processes; we use steam, and have never used hydrogen
How does the hydrogen stripping process work? Is the steam also superheated steam?