Preferential removal of ammonia and phosphates

Details Preferential removal of ammonia and phosphates Preferential removal of ammonia and phosphates

1975-04-21

1976-10-05

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 30R, 210 37R, 210 38R, B01D 1506

Patent

active

039843130

ABSTRACT:
Sewage water containing many pollutants including ammonia and phosphates is treated so that the ammonia and phosphates are preferentially removed through ion exchange while the other contaminants are allowed to remain in the water. Ferric hydroxide is deposited within the matrix of strong acid type cation exchange resin and the resin is rejuvenated with sodium hydroxide.

REFERENCES:
patent: 3139401 (1964-06-01), Hach
patent: 3428426 (1969-02-01), Carney et al.
patent: 3475330 (1969-10-01), Gilles
patent: 3499837 (1970-03-01), Jaunarajs
patent: 3575852 (1971-04-01), Hughes
patent: 3579322 (1971-05-01), Higgins

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