Tube Diameter and Height Influence on the Ozonation Operating Conditions with a U-Tube

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Abstract
Ozone has been used for a number of years in water treatment for viricidal and bactericidal action, as well as for its oxidizing properties. Energy consumption during its use depends on the performance of the ozone generators, but also on the ozone transfer efficiency from the gas phase to the liquid phase. Therefore, it is important to use a contactor with a high transfer efficiency.A new ozonation reactor has been developed: the Deep U-Tube (DUT). This reactor works under pressure, which increases the saturation concentration of ozone at equilibrium (C ). and creates a great turbulence, which breaks the gas bubbles and increases the interfacial area of exchange. Further, this new contactor has a piston hydraulic behavior in the liquid phase, which leads to a very great efficiency and to a better reduction for all reaction kinetics.

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