Title:
METHOD FOR PURIFYING TREATMENT TARGET SOLUTION
Document Type and Number:
WIPO Patent Application WO/2023/063339
Kind Code:
A1
Abstract:
Provided is a method for purifying a treatment target solution (i.e., a solution to be treated), which is excellent in the performance of removal of a compound containing an ionic group and a fluorine atom and having an aliphatic hydrocarbon group. The method for purifying a treatment target solution according to the present invention comprises bringing a treatment target solution containing a compound that has at least one ionic group selected from the group consisting of a carboxylic acid group and a sulfonic acid group, contains a fluorine atom, optionally contains an oxygen atom and has an aliphatic hydrocarbon group, at least one acid selected from the group consisting of HF and H2SO4 and water into contact with a resin having a tertiary amino group to remove the compound having the aliphatic hydrocarbon group from the treatment target solution.
More Like This:
Inventors:
SHIONO TAKESHI (JP)
HIRAI TAKESHI (JP)
ARINAMI YUKO (JP)
TANABE KANA (JP)
ISHITSUKA KEI (JP)
HIRAI TAKESHI (JP)
ARINAMI YUKO (JP)
TANABE KANA (JP)
ISHITSUKA KEI (JP)
Application Number:
PCT/JP2022/037992
Publication Date:
April 20, 2023
Filing Date:
October 12, 2022
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C02F1/42; B01J41/07; B01J41/13; H01M8/04; H01M8/06; H01M8/10
Domestic Patent References:
| WO2007043278A1 | 2007-04-19 |
Foreign References:
| JP2013519517A | 2013-05-30 | |||
| JP2002059160A | 2002-02-26 | |||
| JP2014508786A | 2014-04-10 |
Attorney, Agent or Firm:
T.S. PARTNERS et al. (JP)
Download PDF: