Out of the following gas-liquid contacting devices, for a given set of
operating conditions, gas pressure drop is the least in __________ tower.
(A) Wetted wall
(B) Bubble cap
(C) Perforated tray
(D) Packed
operating conditions, gas pressure drop is the least in __________ tower.
(A) Wetted wall
(B) Bubble cap
(C) Perforated tray
(D) Packed