SEPARATING METHOD OF FLUORINE-CONTAINING SOLVENT, REMOVING METHOD OF FLUORINE-CONTAINING SOLVENT CONTAMINANT, AND APPARATUS THEREFORE
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United States of America Patent
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Issued Date -
Feb 15, 2018
app pub date -
Mar 4, 2016
filing date -
Mar 12, 2015
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Abstract
An object of the invention is to separate a fluorine-containing solvent in a short time and efficiently from a fluorine-containing solvent which contains alcohol. There is provided a method for separating a fluorine-containing solvent by filtering a mixed liquid composition containing the fluorine-containing solvent, alcohol and water with a membrane containing fluorine resin.
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