METHOD FOR PRODUCING DIAPHRAGM AND METHOD FOR PRODUCING ELECTRODE UNIT USING THE SAME

PROBLEM TO BE SOLVED: To provide methods of producing a diaphragm and en electrode unit with high efficiency and a long life.SOLUTION: A method of producing a diaphragm according to an embodiment comprises: a step of immersing a porous membrane comprising a fluorine atom in an alcohol-containing dis...

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Hauptverfasser:	NAITO KATSUYUKI, YOKOTA MASAHIRO, SHIDA NAOMI, INOMATA HIROTAKA, OTA HIDEO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS THEREFOR CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide methods of producing a diaphragm and en electrode unit with high efficiency and a long life.SOLUTION: A method of producing a diaphragm according to an embodiment comprises: a step of immersing a porous membrane comprising a fluorine atom in an alcohol-containing dispersed liquid containing alumina hydrate particles; a step of taking the porous membrane out to the air; a step of heating; and a step of immersing the porous membrane in an acidic aqueous solution.SELECTED DRAWING: Figure 1 【課題】本発明が解決しようとする課題は、高効率で長寿命の隔膜の製造方法および電解ユニットの製造方法を提供することである。【解決手段】実施形態にかかる隔膜の製造方法は、フッ素原子を含有する多孔質膜をアルミナ水和物の含アルコール分散液に浸漬する工程と、それを空気中に取り出す工程と、加熱する工程と、酸性水溶液に浸漬する工程を有する。【選択図】図１