System for treating water with ozone

Details System for treating water with ozone System for treating water with ozone

1988-01-11

1989-01-17

Hart, Charles

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Discharge of treated material

210108, 210121, 210192, 210199, 210760, 210203, 210284, C02F 178

Patent

active

047986697

ABSTRACT:
A water treatment system having an apparatus (2) for the intensive pretreatment of the untreated water with ozone, having a downstream filter (3) with reducing action, and also having an apparatus (4) for the post-disinfection is improved in that the excess ozone which accumulates in the upper part (17) of the filter tank and which is added to the water during the pretreatment is removed anhydrously and fed into the apparatus for the post-treatment of the filtered water. The post-treatment takes place preferably in a retention vessel (4) filled with packing material (15) in which the water comes into contact with ozone by surface contact. The water level (24) is kept constant by regulating the gas discharge from the retention vessel (4). (Illustrated by drawing).

REFERENCES:
patent: 3445001 (1969-05-01), Raus
patent: 3680701 (1972-08-01), Holca
patent: 4145279 (1979-03-01), Selby
patent: 4178239 (1979-12-01), Lowther
patent: 4250040 (1981-02-01), LaRaus
patent: 4652370 (1987-03-01), Bachhofer et al.
patent: 4696739 (1987-09-01), Pedneault

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