Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1993-09-01
1994-11-29
Nessler, Cynthia L.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210691, 210694, C02F 128
Patent
active
053687396
ABSTRACT:
An activated carbon oxidized by air or oxygen at near ambient temperatures having a contact pH between 7.6 and 8.5 for use in water treatment systems to prevent pH excursions during operation of the system.
REFERENCES:
patent: 4111842 (1978-09-01), Van Montfoort et al.
patent: 4154704 (1979-05-01), Vinton et al.
patent: 4158643 (1979-06-01), Sinha
patent: 4185082 (1980-01-01), Sinha
patent: 5021164 (1991-06-01), Gay
Dussert Bertrand W.
Ehara Fujito
Hayden Richard A.
Hisaki Satoru
Lutchko John R.
Calgon Carbon Corporation
Nessler Cynthia L.
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