
A rotary device comprising a rotor which comprises (i) a first annular compartment in which is disposed a permeable element, and (ii) a second annular compartment and which is adapted such that a liquid to be degassed flows radially outwards, in counter-current flow to a displacing gas, as a continuous phase, through the pores of the permeable element and then radially inwards through the second compartment to be discharged from the rotor adjacent the axis of rotation thereof. The device is part...











