LIQUID PURIFICATION DEVICE AND METHOD FOR STARTING UP LIQUID PURIFICATION DEVICE

WIPO Patent Application WO/2024/024340

A1

The present invention addresses the problem of reducing startup time until a non-aqueous solvent can be purified in a liquid purification device.　A method for starting up a liquid purification device 10, which has a purifying means 11 for purifying a non-aqueous solvent, the method including: a step for channeling a non-aqueous solvent to be purified or a non-aqueous solvent different from the non-aqueous solvent to be purified to the purifying means 11 as a pretreatment liquid, and removing impurities contained in the purifying means 11 by eluting the impurities into the pretreatment liquid; and a step for measuring the specific resistance or electroconductivity of the pretreatment liquid flowing out from the purifying means 11 while the pretreatment liquid is being channeled, and determining whether channeling of the pretreatment liquid has been completed on the basis of the result of measurement.

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MORINO SHOTA (JP)
TAKADA NORIKO (JP)
YAMASHITA YUKINARI (JP)

PCT/JP2023/022676

February 01, 2024

June 20, 2023

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ORGANO CORP (JP)

B01D11/02; B01J39/05; B01J39/07; B01J41/05; B01J41/07; B01J47/02; B01J47/14; C07B61/00; G01N27/10

JP2021109833A	2021-08-02
JP2009244224A	2009-10-22
JP2018173384A	2018-11-08
JP2020195947A	2020-12-10
JP2020066591A	2020-04-30
JP2014144937A	2014-08-14

MIYAZAKI Teruo et al. (JP)

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