Reclaiming process for zeolite served for adsorbing ammoniacal n

Details Reclaiming process for zeolite served for adsorbing ammoniacal n Reclaiming process for zeolite served for adsorbing ammoniacal n

1976-04-15

1978-10-24

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

210 38R, B01J 109

Patent

active

041220072

ABSTRACT:
Disclosed in the present invention is a process for removing ammoniacal nitrogen from zeolite by bringing a zeolite-containing substance employed for adsorbing ammoniacal nitrogen contained in sewage into contact with an aqueous solution of sodium carbonate having a pH value of 11.+-.1.0.

REFERENCES:
patent: 2582098 (1952-01-01), Braithwaite et al.
patent: 2660558 (1953-11-01), Juda
patent: 2687999 (1954-08-01), Bott et al.
patent: 3147214 (1964-09-01), Kressman et al.
patent: 3475330 (1969-10-01), Giles
patent: 3691109 (1972-04-01), Carsen
patent: 3723308 (1973-03-01), Breck
patent: 3869383 (1975-03-01), Shimamura
patent: 3977968 (1976-08-01), Odland

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