Method of removing radioactive isotopes of heavy metals

Details Method of removing radioactive isotopes of heavy metals Method of removing radioactive isotopes of heavy metals

1986-04-07

1988-08-16

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210669, 210682, 210688, 210721, 210730, 210912, 210914, 423 11, G21F 910

Patent

active

047642815

ABSTRACT:
A method for treating a radioactive metal-containing natural water or liquid such as a radioactive metal-containing wastewater stream, an oil containing one or more radioactive metals, or other nuclear metal-bearing liquid by contacting the radioactive heavy metal-containing liquid with a water-in-soluble carboxylated cellulose to separate the heavy metals from the liquid. The process has been found to be unexpectedly effective on radioactive wastewaters or any other liquid containing one or more radioactive heavy metal ions such as U, Ce, Sr, Ru, Ra, Np, Tc, as well as radioactive ions such as I.

REFERENCES:
patent: 1059531 (1913-04-01), Ebler
patent: 3970553 (1976-07-01), Terajima et al.
patent: 4410497 (1983-10-01), Otto

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