US 12,340,915 B2
Apparatus for production of lead-212 isotope
Ali A. Abbasi, New York, NY (US)
Filed by Ali A. Abbasi, New York, NY (US)
Filed on Jul. 19, 2023, as Appl. No. 18/355,202.
Application 18/355,202 is a division of application No. 17/836,853, filed on Jun. 9, 2022, granted, now 11,728,062.
Application 17/836,853 is a division of application No. 17/506,379, filed on Oct. 20, 2021, granted, now 11,383,204, issued on Jul. 12, 2022.
Claims priority of provisional application 63/241,610, filed on Sep. 8, 2021.
Prior Publication US 2024/0312659 A1, Sep. 19, 2024
Int. Cl. G21G 1/04 (2006.01); B01D 59/24 (2006.01); G21G 1/00 (2006.01)
CPC G21G 1/04 (2013.01) [G21G 1/0005 (2013.01); G21G 1/001 (2013.01); B01D 59/24 (2013.01); G21G 2001/0094 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A method for production of radioisotopes comprising:
directing at least one of Th-228 or Ra-224 in a solvent into an emanation box, wherein the emanation box comprises:
an emanation source comprising fins,
wherein the fins are made of a non-reactive porous material,
wherein the least one of Th-228 or Ra-224 is adsorbed onto the fins of the emanation source;
a shield structure positioned around the emanation source,
wherein the shield structure is operable to absorb radiation generated by radioactive decay of at least one of the Th-228 or the Ra-224 in the emanation box;
a carrier gas feed port,
wherein the carrier gas feed port is operable to provide an inlet for a carrier gas directed into the emanation box;
a carrier gas exit port,
wherein the carrier gas exit port is operable to provide an exit for the carrier gas from the emanation box;
an evaporation exit port,
wherein the evaporation exit port is operable to provide an exit for evaporated solvent; and a heat source, wherein the heat source is operable to provide heat to the emanation box to evaporate the solvent.