MULTI-STAGE AERATION INSTALLATION Russian patent published in 2018 - IPC B01F3/04 

FIELD: chemistry.

SUBSTANCE: multi-stage aeration installation includes at least three vertically oriented aeration units containing the first aeration unit, which receives the mixture of liquid and gas from a source gas and a liquid and two or more located below the aeration units. Each aeration unit forms a vertically elongated aeration chamber comprising an upper inlet and a lower outlet. The lower outlet of each of the aeration units delivers a fluid stream containing liquid and gas to the upper inlet located below one of the aeration units. One or more of the aeration units located below contain an inlet for additional gas. Each aeration unit includes an aeration head connected to the upper inlet and positioned in the space for the head located below the aeration unit so that the fluid stream passing through the upper inlet into the aeration chamber must pass through the aeration head. The aeration head aerates the liquid with gas in a fluid flow in the head space of the lower aeration unit.

EFFECT: increasing the efficiency of the system, reducing the base area of the processing systems.

16 cl, 4 dwg