Title:
ORGANIC SOLVENT REFINING METHOD
Document Type and Number:
Japanese Patent JP2023057323
Kind Code:
A
Abstract:
To provide an organic solvent refining method capable of efficiently reducing metal impurities in an organic solvent.SOLUTION: An organic solvent refining method includes a refining step where an organic solvent is passed through a filter A and at least one filter B being arranged in a stage subsequent to the filter A in series and being different from the filter A and metal impurities are removed from the organic solvent.SELECTED DRAWING: Figure 1
Inventors:
BABA YUSUKE
ISHIDA TORU
ISHIDA TORU
Application Number:
JP2021166783A
Publication Date:
April 21, 2023
Filing Date:
October 11, 2021
Export Citation:
Assignee:
RESONAC HOLDINGS CORP
International Classes:
B01D39/16; B01D15/00; B01D15/04; B01J20/26; B01J20/28
Attorney, Agent or Firm:
Aoki Atsushi
Shinji Mihashi
Masatoshi Takahashi
Hajime Kawahara
Shinji Mihashi
Masatoshi Takahashi
Hajime Kawahara