METHOD FOR PRODUCING STRONTIUM-89 RADIOISOTOPE Russian patent published in 2006 - IPC G21G1/02 

FIELD: nuclear engineering.

SUBSTANCE: proposed method for producing strontium-89 radioisotope includes irradiation of liquid fuel in the form of aqueous solution of uranium salts in reactor core and separation of gaseous krypton-89 fission fragment (predecessor of target isotope in disintegration chain). Krypton-89 is cleaned due to natural decay from accompanying radioisotopes and weathered till complete disintegration to strontium-89. Gaseous fragment of krypton-89 decay is separated from solution of uranium salts and converted to vapor, droplet-aerosol, and finely dispersed mixture by generating bursting impulse of energy separation due to introduction of positive reactivity in reactor core. Krypton-89 is cleaned from accompanying radioisotopes due to natural disintegration in nuclear reactor core.

EFFECT: enhanced yield of target radioisotope, enlarged functional capabilities.

2 cl, 1 dwg, 1 ex