What should be the pressure set for the rich amine liquid coming out of the absorption tower in the flash tank?
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When simulating the amine scrubbing desulfurization process, what pressure should be set for the rich amine liquid coming out of the absorption tower and entering the flash tank? The pressure in the absorption tower is set at 7 kg/cm2. What should be the actual pressure in the flash tank in practice? Thank you
Are you sure? The separation tower is a atmospheric pressure tower; if the pressure in this flash tank is slightly higher than atmospheric pressure, some hydrogen sulfide will be vaporized. The vaporized gas is then used as fuel gas, which doesn’t that cause pollution to the environment? Wasn’t the original intention of removing hydrogen sulfide to prevent air pollution?
It’s slightly above the distillation tower; an absorption section is added to the upper part of the flash tank, and only a small amount of lean liquid is required to be fed in
Why does the gas coming out of this flash tank still need to go into the absorption tower?