Recovery of activated carbon

Details Recovery of activated carbon Recovery of activated carbon

1976-12-01

1977-11-15

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

210 40, 252415, 260627R, 260674SA, B01D 1506

Patent

active

040584577

ABSTRACT:
Activated carbon employed for removing weakly held contaminants such as organic chemicals from water, e.g., drinking water, can be recovered or regenerated by back flushing with iodine in water or an organic solvent and then the iodine recovered by reducing it to iodide and the iodide rinsed out of the carbon and reoxidized to iodine. The process can also be used to recover pure organic compounds adsorbed on the carbon.

REFERENCES:
patent: 1617533 (1927-02-01), Mahler
patent: 3448042 (1969-06-01), Mattia et al.
patent: 3772189 (1973-11-01), Kreusch et al.
patent: 3965036 (1976-06-01), Himmelstein
patent: 3965037 (1976-06-01), Kennedy
Rosene et al., "Application of the Polanyi Adsorption Potential Theory to Adsorption from Solution on Activated Carbon", Journal of Physical Chemistry, vol. 80, No. 9, pp. 953-959 (1976).

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