The operational characteristics of a gas-liquid-liquid system in a gas-agit
ated extractor with static mixer were studied. Experimental measurements of
the gas holdup, the holdup of the dispersed phase, and the mass transfer c
oefficient under varying conditions were obtained out in the extractor usin
g air water and kerosene. It was found that the holdup of the dispersed pha
se and the mass transfer coefficient depend on gas velocity, wafer velocity
, kerosene velocity, and the structure within extractor The holdup of gas i
s independent of the water velocity and kerosene velocity.