Method of and apparatus for producing ozonized water

Details Method of and apparatus for producing ozonized water Method of and apparatus for producing ozonized water

1996-01-25

1997-09-23

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Pumping

2611221, 261DIG42, B01F 304

Patent

active

056700946

ABSTRACT:
In an ozonized water producing apparatus in which a pressurized ozone gas generated by an electric discharge type ozonizer is dissolved in water to be treated through a porous hollow-fiber membrane, an infinite variable-speed control type pump is provided upstream of the hollow-fiber membrane to maintain the water pressure inside the hollow fibers higher than the ozone gas pressure and to control the water pressure and flow rate, and a control mechanism is provided to control the ozone concentration in the treated water on the basis of the ozone gas concentration. Thereby treated water containing neither tiny bubbles nor impurities is obtained, and the concentration, flow rate and pressure of the treated water are controlled at constant levels.

REFERENCES:
patent: 2812861 (1957-11-01), Bickford
patent: 4355636 (1982-10-01), Oetjen et al.
patent: 4555335 (1985-11-01), Burris
patent: 4836929 (1989-06-01), Baumann et al.
patent: 4897359 (1990-01-01), Oakley et al.
patent: 4992216 (1991-02-01), Saita et al.
patent: 5037610 (1991-08-01), Fukasawa et al.
patent: 5073268 (1991-12-01), Saito et al.

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