US 12,383,864 B2
Stable isotope concentrating device
Hayato Sakurai, Tokyo (JP); and Takashi Kambe, Tokyo (JP)
Assigned to TAIYO NIPPON SANSO CORPORATION, Tokyo (JP)
Appl. No. 18/252,517
Filed by TAIYO NIPPON SANSO CORPORATION, Tokyo (JP)
PCT Filed Oct. 26, 2021, PCT No. PCT/JP2021/039395
§ 371(c)(1), (2) Date May 10, 2023,
PCT Pub. No. WO2022/102390, PCT Pub. Date May 19, 2022.
Claims priority of application No. 2020-188709 (JP), filed on Nov. 12, 2020.
Prior Publication US 2023/0405523 A1, Dec. 21, 2023
Int. Cl. B01D 59/04 (2006.01)
CPC B01D 59/04 (2013.01) 7 Claims
OG exemplary drawing
 
1. A stable isotope concentrating device that concentrates stable isotopes by distillation,
wherein the stable isotope concentrating device comprises a distillation column group in which multiple distillation columns are cascaded,
wherein the distillation column group comprises:
a tray column group comprising one or more tray columns; and
a packing column group comprising one or more packing columns, and
wherein the packing column group is located on a secondary side of the tray column group.