Apparatus for producing ion exchange particles charged with uran

Details Apparatus for producing ion exchange particles charged with uran Apparatus for producing ion exchange particles charged with uran

1981-01-05

1985-04-30

Miller, Edward A.

Liquid purification or separation

Constituent mixture variation responsive

210189, 210268, 422 62, 422159, B01J 808

Patent

active

045142963

ABSTRACT:
An apparatus charges weakly acidic cationic ion exchange resin particles with uranyl ions by contacting the particles stepwise with aqueous uranyl nitrate solution at higher uranium concentrations from stage to stage. An alkaline medium is added to the uranyl nitrate solution in each stage to increase the successive pH values of the uranyl nitrate solution contacting the particles in dependance upon the uranium concentration effective for maximum charging of the particles with uranyl ions.

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patent: 3649203 (1972-03-01), Schneider
patent: 3800023 (1974-03-01), Haas
patent: 3995009 (1976-11-01), Notz
patent: 4035292 (1977-07-01), Hinsley
patent: 4070438 (1978-01-01), Notz et al.
patent: 4217217 (1980-08-01), Kay et al.
Haas, "HTGR Fuel Development, Loading of Uranium or Carboxylic Acid Catioxchange Resin Using Solvent Extraction of Nitrate", ORNL-TM-4955, pp. 1-12 (1975).

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