METHOD OF SATURATING LIQUID BY PRESSURIZED GAS Russian patent published in 1995 - IPC

FIELD: sewage water procession. SUBSTANCE: method of saturating liquid by pressurized gas in descending-rising flow of gas-liquid mixture comprises steps of separating the rising flow by two streams; recirculating the first of these streams to the descending flow; performing recirculation of non-dissolved gas; discharging liquid, saturated by gas, and excess gas from the second rising stream in such a way, that discharging of liquid, saturated by gas, and of excess gas are being performed in combination with rate 0.1-0.2 m/s. EFFECT: enhanced quality of sewage procession. 1 cl, 1 dwg