Water treatment/remediation system

Details Water treatment/remediation system Water treatment/remediation system

2008-05-13

2008-05-13

Savage, Matthew O. (Department: 1797)

Liquid purification or separation

Processes

Ion exchange or selective sorption

C210S683000

Reexamination Certificate

active

10917255

ABSTRACT:
A treatment system passes feed water containing a contaminant such as perchlorate through a bed of strong base anion exchange resin that has been placed in a form (e.g., in sulfate form) to selectively capture the contaminant while passing other ions (e.g., nitrate) that may also be present in the water. The bed may include a carousel, and the exhausted upstream portion of the resin may efficiently be disposed of by incineration, or may be rotated out for regeneration.

REFERENCES:
patent: 5604264 (1997-02-01), McQuigg
patent: 6066257 (2000-05-01), Venkatesh et al.
patent: 6800203 (2004-10-01), Gu et al.
patent: 6908560 (2005-06-01), Guter

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