A. orption tower, then the upper end of the operating line touches the equilibrium curve

B. With decrease in the liquid flow rate for a fixed gas flow rate, the slope of the operating line

C. io is also large in case of a counter current gas absorption tower

D. reases, in case of gas absorption process

E. The average distance between the operating line and equilibrium line is large, when the liquidgas

F. When the concentration difference for the mass transfer becomes zero at the bottom of the gas