Non-recirculating, self-sanitizing carbon filter system

Details Non-recirculating, self-sanitizing carbon filter system Non-recirculating, self-sanitizing carbon filter system

2008-06-11

2011-10-04

Barry, Chester (Department: 1778)

Liquid purification or separation

Processes

Ion exchange or selective sorption

Reexamination Certificate

active

08029676

ABSTRACT:
A method and apparatus are provided for the non-recirculating self-sanitization of a carbon filter (14) in a water pretreatment system (12). The apparatus includes a heat exchanger (50) that can maintain an activated carbon bed (44) of the carbon filter (14) at a desired sanitization temperature during service operation of the pretreatment system (12) where the pretreatment system (12) is providing a pretreated water stream (32H) for final treatment.

REFERENCES:
patent: 4515692 (1985-05-01), Chandler et al.
patent: 6622754 (2003-09-01), Roth et al.
patent: 2006/0180179 (2006-08-01), Roderer et al.
patent: 2008/0283099 (2008-11-01), Peukert et al.
patent: 2009/0152211 (2009-06-01), Crits et al.
patent: 2010/0012569 (2010-01-01), Ambroiggio et al.

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