US 12,338,152 B2
Boron removal device and boron removal method, and pure water production device and pure water production method
Kazushige Takahashi, Tokyo (JP); Fumio Sudo, Tokyo (JP); Yuki Nakamura, Tokyo (JP); Kenji Shibasaki, Tokyo (JP); and Keisuke Sasaki, Tokyo (JP)
Assigned to ORGANO CORPORATION, Tokyo (JP)
Appl. No. 17/925,052
Filed by ORGANO CORPORATION, Tokyo (JP)
PCT Filed Mar. 30, 2021, PCT No. PCT/JP2021/013584
§ 371(c)(1), (2) Date Nov. 14, 2022,
PCT Pub. No. WO2021/235107, PCT Pub. Date Nov. 25, 2021.
Claims priority of application No. 2020-087982 (JP), filed on May 20, 2020.
Prior Publication US 2023/0183115 A1, Jun. 15, 2023
Int. Cl. B01D 61/02 (2006.01); B01D 61/48 (2006.01); B01D 61/58 (2006.01); C02F 1/32 (2023.01); C02F 1/44 (2023.01); C02F 1/46 (2023.01); C02F 1/66 (2023.01); C02F 1/70 (2023.01); C02F 9/00 (2023.01); C02F 1/469 (2023.01); C02F 101/10 (2006.01)
CPC C02F 9/00 (2013.01) [B01D 61/58 (2013.01); B01D 61/026 (2022.08); B01D 61/48 (2013.01); B01D 2311/06 (2013.01); C02F 1/32 (2013.01); C02F 1/441 (2013.01); C02F 1/4695 (2013.01); C02F 1/66 (2013.01); C02F 1/705 (2013.01); C02F 2101/108 (2013.01); C02F 2301/08 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An apparatus for removing boron, comprising:
a first electrodeionization device to which water to be treated is supplied;
an ultraviolet oxidation device to which the water treated by the first electrodeionization device is supplied;
an oxide removal device to which the water treated by the ultraviolet oxidation device is supplied; and
a second electrodeionization device to which the water treated by the oxide removal device is supplied.