Abstract
The EUROPOLL multicell scrubber is a new gas-liquid contactor that may be use for the fight against the chemical and dust pollution of air. This contactor involves a regular package of elementary patterns called cells in which it is possible to transfer mass and/or heat between the gas and liquid phases. Indeed each cell comprises a convergent and a divergent the intersection of which constitutes the throat and thus leads to a good contact between the phases. From the hydrodynamic point of view, the scrubber is characterized by graphs of pressure losses and liquid holdup and by the domain of the flowrates leading to the working in satisfactory conditions. The capacity of the mass transfer of the contactor is presented in terms of liquid side and gas side mass transfer coefficients and of gas-liquid interfacial area. Finally the performances of the scrubber are compared with those of the other classical contactors employed to fight the air pollution. This is made with the use of a diagram plotting the mass transfer parameters versus the spent energy.
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