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Title:
DRAW SOLUTE, DRAW SOLUTION, AND METHOD FOR TREATING RAW WATER
Document Type and Number:
WIPO Patent Application WO/2024/058248
Kind Code:
A1
Abstract:
A draw solute including a polymer which has a given structural unit (A) including an amino group or a salt thereof, a ring structure containing a nitrogen atom, etc. and a structural unit (B) derived from an acid-group-containing monomer, the proportion between the structural unit (A) and the structural unit (B) being 1:10 to 2:1 by mol; a draw solution containing the draw solute; and a method for treating raw water using the draw solution.

Inventors:
TOKUSHIMA HIROKI (JP)
MATONO AKITOSHI (JP)
KOBAYASHI CHISA (JP)
Application Number:
PCT/JP2023/033565
Publication Date:
March 21, 2024
Filing Date:
September 14, 2023
Export Citation:
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Assignee:
NIPPON CATALYTIC CHEM IND (JP)
International Classes:
B01D61/00; C02F1/44; C08F212/14; C08F220/02
Domestic Patent References:
WO2023153273A12023-08-17
Foreign References:
JP2022036439A2022-03-08
JP2012170954A2012-09-10
JPH04351615A1992-12-07
JP2015047541A2015-03-16
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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