Dear All,
I am working on design a Vent Gas Treating System for removal of Chlorine and HCl from the flue gas. the temperature of gas is 550 C, so the gas temperature is to be firstly reduced by a quench tower. the gas is further passed through a caustic packed scrubber to emission removal.
Everything is clear expect one ! the pressure of gas is between 0 - 0.017 bar and we don not allowed to use a blower in up or downstream. the pressure drop of the quench tower is fairly low (1.5 in.WC). However, the packed tower impose a higher pressure drop.
Is everyone know any provisions to overcome this concern? Could the gas pass through the system with
zero bar pressure?
I attached the related UOP requisition.
Many thanks !