Liquid purification or separation – Processes – Including geographic feature
Patent
1988-01-21
1989-11-21
Wyse, Tom
Liquid purification or separation
Processes
Including geographic feature
210170, 159903, 159906, 159DIG28, 202234, 203DIG1, F24J 302, B01D 122
Patent
active
048820717
ABSTRACT:
A method for the in situ decontamination of underground water containing -volatile contaminants comprising continuously contacting in situ underground water containing non-volatile contaminants with a liquid-absorbent material possessing high capillary activity, allowing the non-volatile contaminants to deposit in the material while the water moves upwardly through the material by capillary action, allowing substantially decontaminated water to be volatilized by impinging solar radiation, and then allowing the volatilized water to escape from the material into the atmosphere.
An apparatus for the in situ decontamination of underground water containing non-volatile contaminants comprising at least one water-impermeable elongated conduit having an upper portion and first and second open ends and containing a homogeneous liquid-absorbent material possessing high capillary activity, means for supporting said conduit, and means for accelerating the escape of the volatilized decontamined water from the material, said means being detachably connected to the second end of the elongated conduit; wherein when underground water contaminated with non-volatile contaminants is continuously contacted in situ with the material contained in the first end of the conduit and the second end of the conduit is placed in contact with atmospheric air, non-volatile contaminants deposit in said material as the water moves upwardly through the material by capillary action, is then volatilized by impinging solar energy and escapes to the atmosphere.
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Bench Thomas R.
McCann Larry D.
Constant Richard E.
Hightower Judson R.
Randolph William W.
The United States of America as represented by The Department of
Wyse Tom
LandOfFree
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