Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1990-05-07
1991-12-03
Silverman, Stanley S.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210669, 210678, 210747, 210694, 210140, 210143, 210170, 210241, 2102571, 210277, 210259, 210295, B01D 1504
Patent
active
050697960
ABSTRACT:
A unitized system for the processing of well water that is contaminated with volatile substances, such as organic substances, at a site where the contaminated water exists. This system has the primary components thereof mounted on a skid/frame that can be transported to the site. In the preferred form, the contaminated water is first processed in a spray tower where it is countercurrently contacted with air to remove the volatile contaminants. This air-treated water then is passed through an activated carbon bed for further purification before being used. While the treated water is not considered safe for human consumption, it can be used for most other uses. The system is controlled to normally operate only upon water demand by the system being supplied. Since activated carbon can cause the gradual growth of bacteria, the system is provided with a system for the periodic back flushing of the carbon bed, with the wash water being discarded in a separate holding tank or to a local sewer. Pressurization is preferably performed to make the outlet line compatible to many systems employing pressurized water lines.
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Nessler Cynthia L.
Silverman Stanley S.
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