Liquid purification or separation – Structural installation – Geographic
Patent
1996-12-24
1998-06-16
Lithgow, Thomas M.
Liquid purification or separation
Structural installation
Geographic
210722, 210220, 96202, 96206, 96220, C02F 120, C02F 172
Patent
active
057664579
ABSTRACT:
A water aeration system for receiving gas and/or iron laden water from a water source and delivering purified water to a service line. The system includes a tank with an internal volume fillable with water, a tank inlet, a tank outlet, and an aerator. Water is introduced into the tank through the tank inlet and passes downwardly within the tank. The downwardly moving water encounters a counterflow of upwardly migrating bubbles introduced into the tank by the aerator, and the air bubbles cause impurities in the water to precipitate out and settle onto the floor of the tank and gases to the vented to atmosphere. After moving to the bottom portion of the internal volume of the tank, the water passes upwardly through an upstanding water outlet pipe located within the tank internal volume and passes through the tank outlet to be removed from the tank. The system may also include a mechanism for flushing from the tank precipitates collected on the tank floor. The system may also use a regenerative blower as a portion of the aerator.
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