Title:
ADJUSTMENT METHOD OF ANION EXCHANGE RESIN
Document Type and Number:
Japanese Patent JP2023009492
Kind Code:
A
Abstract:
To provide an adjustment method of a boron selective anion exchange resin capable of reducing a period of washing, after performing a regeneration process of an OH type boron selective anion exchange resin.SOLUTION: There is provided an adjustment method of an anion exchange resin comprising: a regeneration process for bringing an alkali metal hydroxide aqueous solution into contact with an anion exchange resin, for converting the anion exchange resin into an OH type; and a washing process for bringing washing water into contact with the OH type anion exchange resin converted into the OH type, for washing the OH type anion exchange resin, in which the anion exchange resin has a glucamine group as an ion exchange group, and a normality of the alkali metal hydroxide aqueous solution is 0.01 to 0.50 N.SELECTED DRAWING: None
Inventors:
HASHIMOTO KOICHIRO
YOKOTA HARUO
YOKOTA HARUO
Application Number:
JP2021112837A
Publication Date:
January 20, 2023
Filing Date:
July 07, 2021
Export Citation:
Assignee:
ORGANO KK
International Classes:
B01J41/14; B01J49/57; B01J47/12; B01J49/07
Attorney, Agent or Firm:
Patent Attorney Corporation Ashitaba International Patent Office