... effective surface area per unit packing volume. 2.Excellent liquid distribution and uniformity are obtained, ... out.Gas absorption: SO 2 , SO 3 , NH 3 , CO 2 , H 2 S, HCl, Cl 2 , HF, NO X ... , organic solvents Gas stripping: NH 3 , CO 2 , O 2 , contaminated ... power: Flue gas desulfurization Chemical industry: H 2 S, HCl, Cl 2 , HF, NO X elimination, organic solvents ...