Dissolved gas floatation device

Details Dissolved gas floatation device Dissolved gas floatation device

1996-06-03

1998-06-16

Lithgow, Thomas M.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

2102212, C02F 124

Patent

active

057664846

ABSTRACT:
A dissolved gas flotation system for treatment of wastewater or contaminated water and having an improved flow pattern wherein the subnatant discharge outlet and the inlet distribution structures are located adjacent one another. Such a structural design takes advantage of the fluid flow patterns within the tank to maximize the effect of the air bubbles in separating solids from the fluid.

REFERENCES:
patent: 3623608 (1971-11-01), Waterman
patent: 3773179 (1973-11-01), Hurst
patent: 4067813 (1978-01-01), Pielkenrood
patent: 4113629 (1978-09-01), Pielkenrood
patent: 4160737 (1979-07-01), Pielkenrood
patent: 4216085 (1980-08-01), Chittenden
patent: 4253965 (1981-03-01), Pielkenrood
patent: 4344845 (1982-08-01), Pielkenrood
Ellis, M.M. and Fischer P.W. -"Clarifying Oilfield and Refinery Waste Waters by Gas Flotation", Journal of Petrolevum Engineers -Apr. 1973, pp. 426-430.
Eppler B., "Flotation a/s modernes Verfahren in industriellen und kom-munalen Klaranlagen", 3R International, Apr., 1993 pp. 210-215.
Purec Dissolved Air Flotation Systems, 12 pages.

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