Method for reactivating carbon

Details Method for reactivating carbon Method for reactivating carbon

1974-09-25

1976-06-22

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

210 32, 210 40, 252412, B01J 2120, B01D 1506

Patent

active

039650375

ABSTRACT:
A method for reactivating carbon beds is provided which is applicable to carbon beds used in filtering water recovered from sewage. The method involves first adding hydrochloric acid to the bed containing some of the water. The water and hydrochloric acid are thoroughly mixed to distribute the acid throughout the carbon bed. The mixture of acid and water is retained in the carbon bed for sufficient time to reactivate the carbon. Thereafter the acid and water are removed from the carbon bed.

REFERENCES:
patent: 1533031 (1925-04-01), Saver et al.
patent: 3082059 (1963-03-01), Goren
patent: 3510265 (1970-05-01), Kawahata
patent: 3619420 (1971-11-01), Kemmer
patent: 3730885 (1973-05-01), Makrides et al.

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