Water-treatment system

Details Water-treatment system Water-treatment system

1990-02-06

1991-04-09

Dawson, Robert A.

Liquid purification or separation

Magnetic

With additional separator

2101951, 210196, 210197, 210259, 210274, 210275, 210277, 210290, 210222, 422139, B01D 3506, C02F 148

Patent

active

050062409

ABSTRACT:
The invention contemplates a water-treatment system wherein inlet water is subjected to continuous circulation, or at least to a plurality of cycles of circulation, in a loop wherein air under pressure is injected into the water prior to passage through a magnetic-energy treatment device. The recirculation involves a tank which thus provides a volume of available pretreated water, against which to drawn in accordance with intermittent demand. Magnetic-field treatment of the aerated water creates particulates, from oxidizable impurities such as iron, and these particulates are separable by filtration; and as to those impurities as involve dissolved gases, such as radon or hydrogen sulfide, the gases are driven from solution and vented (along with excess air) external to the treated-water outlet of the system. A backwash feature of the filtration part of the system enables solid-matter accumulations to be flushed out and drain periodically, in a short automated periodic cycle of filter reconditioning, preferably at a night-time hour of minimum demand.

REFERENCES:
patent: 4485012 (1984-11-01), Ehresmann

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