Process for treating water with ozone

Details Process for treating water with ozone Process for treating water with ozone

1993-06-28

1995-05-16

Bascomb, Jr., Wilbur

Liquid purification or separation

Processes

Chemical treatment

210604, C02F 178

Patent

active

054157862

ABSTRACT:
Process for treating, especially waters to be made drinkable, with ozone in a reactor (2), especially with a bubble column, in which ozone is generated (in 1) in a gas enriched in oxygen containing at least 70% of oxygen by volume, to produce an ozonised gas containing more than 2%, especially from 2% to 20%, of ozone by weight, in which the said ozonised gas is diluted by means of a secondary fluid and the treatment is carried out by means of the diluted ozonised gas.
Another subject of the invention is a plant for the use of the process according to the invention, comprising an ozoniser (1) generating an ozonised gas, at least one reactor (2) for treatment with ozone, and a supply pipe (3) connecting the outlet of the ozoniser with the inlet of the reactor, in which means (4, 5; 15, 16), for injecting a secondary fluid into the said supply pipe (3), are additionally provided.

REFERENCES:
patent: 3748262 (1973-07-01), Lee et al.
patent: 4132637 (1979-01-01), Key et al.
patent: 4352740 (1982-10-01), Grader et al.
patent: 4865749 (1989-09-01), Yoshida
Patent Abstracts of Japan, vol. 13, No. 69 (C-569) Feb. 16, 1989 & JP-A-63 258 693 (Yasunobu Yoshida) Oct. 26, 1988.

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