Regeneration of scale-coated activated carbon with acid wash

Details Regeneration of scale-coated activated carbon with acid wash Regeneration of scale-coated activated carbon with acid wash

1978-03-07

1979-10-02

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252413, 423206T, 423421, B01J 2120, C01D 726, B01D 1506

Patent

active

041698126

ABSTRACT:
A method for regenerating scale-coated activated carbon used to treat crude sodium carbonate solutions in which the scale-coated carbon is acid washed with an aqueous solution containing from 1 to 15% by weight hydrochloric acid and from 0.5 to 3% by weight ammonium bifluoride.

REFERENCES:
patent: 43748 (1864-08-01), Beanes
patent: 239962 (1881-04-01), Jennings
patent: 1502896 (1924-07-01), Barneby
patent: 3260567 (1966-07-01), Hellmerg
patent: 3528766 (1970-09-01), Cogliati, Jr. et al.
patent: 3927175 (1975-12-01), Garafano
patent: 3933977 (1976-01-01), Ilardi et al.

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