Treatment of contaminated activated charcoal

Details Treatment of contaminated activated charcoal Treatment of contaminated activated charcoal

2007-08-21

2007-08-21

Barry, Chester T. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S616000, C210S617000, C210S150000

Reexamination Certificate

active

11022609

ABSTRACT:
The method of providing for a fluid treatment, that includes providing a treatment zone containing granular activated charcoal, and providing a stream of water containing nutrients, contaminant degrading microbes and dissolved oxygen, and introducing the stream to a treatment zone to effect adsorption of nutrients and microbes onto the granular activated charcoal, thereby to provide a contaminant treatment matrix, whereby contaminant in fluid flow through the matrix is reduced.

REFERENCES:
patent: 4237002 (1980-12-01), Strudgeon et al.
patent: 5334533 (1994-08-01), Colasito et al.
patent: 5863858 (1999-01-01), Miller et al.
patent: 6177005 (2001-01-01), Yamasaki et al.
patent: 6458276 (2002-10-01), Byers et al.
patent: 6471864 (2002-10-01), Sublette et al.
patent: 6905603 (2005-06-01), Mirzayi et al.

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