DEVICE FOR DISSOLVING OXYGEN IN A LIQUID CONTAINED IN A REACTOR, METHOD FOR DISSOLVING OXYGEN IN A LIQUID, AND METHOD FOR IMPROVING A DEVICE FOR DISSOLVING OXYGEN IN A LIQUID

摘要

The invention relates to a device for dissolving oxygen in a liquid contained within a reactor, provided with a vertical shaft (2) with a principal agitator (3), an air injection means (4), an oxygenated-gas injection means (5), placed at a distance from the air injection means (4), an additional agitator (6), placed below the principal agitator (3) and below the air injection means (4) and wherein the oxygenated-gas injection means (5) is placed below the additional agitator (6).