Desoption of H2 from Water - Ficks Law'of Diffusion

[kkimic]

Hi everybody,

In a hypochlorite disengagement tank, it is stated in a NORSOK standard that the minimum residence time for the hydrogen to disengage from the water stream is 20 minutes an normal operating conditions.

I am trying to demonstrate the minimum residence time by using Fick's Law of diffusion, but cannot find a way round it and I am struggling to find a solution.

Anyone has any ideas if I am following the correct path? Any other way to prove this?

Thanks, any suggestion would be highly appreciated.

Regards.