Liquid purification or separation – With gas-liquid surface contact means – With separator
Patent
1987-08-20
1989-10-03
Wyse, Tom
Liquid purification or separation
With gas-liquid surface contact means
With separator
210196, 210218, 2102212, 210258, 2611211122, C02F 124, B01D 17035
Patent
active
048714500
ABSTRACT:
A method and apparatus for removing volatile organic contaminants from water. Water to be treated is mixed with a small proportion of higher pressure gas (air, ozone, etc.)-saturated water in a static mixer causing the release of a very large number of very fine gas (air, ozone, etc.) bubbles in the mixture. The mixture is directed into a chamber which has a device, such as a transverse perforated plate, to reduce water pressure. The pressure drop, which need only be about 10 psi, causes the volatile organic contaminants to enter the vapor phase and, through mass transfer absorption, mix with the gar bubbles. The bubbles rise to a free headspace at the top of the chamber from which the now-contaminated gas can be withdrawn. The substantially decontaminated water then exits the chamber, still nearly at line pressure.
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Goodrich James A.
Medlar Steven J.
Camp Dresser & McKee Inc.
Gilliam Frank D.
Wyse Tom
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