Hydrogenation

[Vishal Kumar]

Can anyone share the experience of how they developed the control logic for hydrogen feeding for a batch hydrogenation reactor?
Was it a pressure control loop or flow control loop or cascade system. Please help
Or although I doubt but was it a temperature loop

 

[StoneCold]

If you feed the hydrogen based on pressure it will automatically flow into the reactor as it is consumed. Use a hydrogen pressure regulator to accomplish this. It is not fancy but effective. You could use a mass flow meter to measure the amount of hydrogen charged if that is something you want to know.

 

[shvet]

Was it a pressure control loop or flow control loop or cascade system.

Both options are possible depending on process design. Describe your case in details and post PFD/P&ID.