Title:
SOLUTION PROCESSING METHOD AND SOLUTION PROCESSING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/100216
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a solution processing method by which an electrolyte and water are recovered from a solution that contains at least 1,000 mg/L or more of the electrolyte and a non-electrolyte low-molecular-weight material having a molecular weight of 70 or less, while removing the non-electrolyte low-molecular-weight material by means of a combination of membranes of a plurality of kinds. This solution processing method processes a starting material solution with a separation membrane 1 and a separation membrane 2, which separate a supplied liquid into a permeated liquid and a concentrated liquid, so as to separate the starting material solution into a purified liquid that contains water and the electrolyte and a waste liquid that contains the non-electrolyte low-molecular-weight material.
Inventors:
YOSHIDOMI SHINICHIRO (JP)
NAGANO IZUMI (JP)
MIYAMOTO RYOMA (JP)
OKAMOTO YOSHIKI (JP)
SHIMURA HARUTOKI (JP)
HANADA SHIGEHISA (JP)
NAGANO IZUMI (JP)
MIYAMOTO RYOMA (JP)
OKAMOTO YOSHIKI (JP)
SHIMURA HARUTOKI (JP)
HANADA SHIGEHISA (JP)
Application Number:
PCT/JP2021/043741
Publication Date:
June 08, 2023
Filing Date:
November 30, 2021
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
A61M1/16; B01D61/02; B01D61/26; B01D61/32; B01D61/58
Domestic Patent References:
| WO2020218571A1 | 2020-10-29 | |||
| WO2009083011A2 | 2009-07-09 |
Foreign References:
| US20170065762A1 | 2017-03-09 | |||
| JP2014205051A | 2014-10-30 |
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