METHOD AND DEVICE FOR REMOVING FERRIC ION AND IRON HYDROXIDE SLUDGE IN IRON-BASED ELECTROPLATING SOLUTION

PURPOSE:To conveniently and industrially remove the ferric ion and iron hydroxide sludge in an iron-based electroplating soln. by lowering the pH of the soln. in a settling tank to convert the ferric ion to ferric hydroxide which is settled and transferring the supernatant water to a storage tank. C...

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Bibliographische Detailangaben
Hauptverfasser:	KOIKE TETSUHIRO, SAGIYAMA MASARU
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS THEREFOR CHEMISTRY ELECTROFORMING ELECTROLYTIC OR ELECTROPHORETIC PROCESSES METALLURGY PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS
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Beschreibung
Zusammenfassung:	PURPOSE:To conveniently and industrially remove the ferric ion and iron hydroxide sludge in an iron-based electroplating soln. by lowering the pH of the soln. in a settling tank to convert the ferric ion to ferric hydroxide which is settled and transferring the supernatant water to a storage tank. CONSTITUTION:The iron-based electroplating soln. is settled in the settling tank 1, and the pH is adjusted to 2 to