Reduction of sodium/ammonium alkalinity in industrial wastewater

Details Reduction of sodium/ammonium alkalinity in industrial wastewater Reduction of sodium/ammonium alkalinity in industrial wastewater

1984-05-07

1986-06-17

Cintins, Ivars

Liquid purification or separation

Processes

Treatment by living organism

210669, 210681, C02F 142

Patent

active

045955085

ABSTRACT:
Industrial wastewater is contacted with a weak acid cation exchange resin, in the hydrogen ion form, to substantially reduce the sodium and ammonium alkalinity levels rendering the wastewater suitable, for example, as an environmentally acceptable cooling medium.

REFERENCES:
patent: 2609341 (1952-09-01), Juda
patent: 3095265 (1958-11-01), Effer
patent: 3382034 (1968-05-01), Kraus
patent: 3475330 (1967-12-01), Gilles
patent: 3501402 (1970-03-01), Console
patent: 3928192 (1975-12-01), Katzakian
patent: 4083782 (1978-04-01), Kunin
patent: 4098690 (1978-07-01), Semmens
patent: 4349442 (1982-09-01), Barraque
patent: 4370234 (1983-01-01), Marsland
Dow Chemical Cation Resin Product Brochure, vol. 2, No. 3.
Diamond Shamrock Product Brochure for Weak Cation Exchange Resins in Water Treatment.
Rohm and Haas Technical Bulletin for Amberlite IRC-84.

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