MANUFACTURING METHOD OF Sn

To provide a manufacturing method of Sn capable of reducing Sn concentration in Sn.SOLUTION: A manufacturing method of Sn includes an Sb deposition process for adding Sn metal to a Sn electrolyte obtained by conducting exudation and purification on Sn scum containing Sb, and depositing the Sb by a c...

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Bibliographische Detailangaben
Hauptverfasser:	ANZAI MASAHIKO, TAKEI TAKUMA, ONO EIKI, USUI SHOJIRO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS THEREFOR CHEMISTRY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	To provide a manufacturing method of Sn capable of reducing Sn concentration in Sn.SOLUTION: A manufacturing method of Sn includes an Sb deposition process for adding Sn metal to a Sn electrolyte obtained by conducting exudation and purification on Sn scum containing Sb, and depositing the Sb by a cementation reaction, and Sn deposition process for depositing Sn by conducting electrolytic extraction on the Sn electrolyte after the Sb deposition process.SELECTED DRAWING: Figure 4 【課題】Ｓｎ中のＳｂ濃度を低下させることができるＳｎの製造方法を提供する。【解決手段】Ｓｎの製造方法は、Ｓｂを含むＳｎスカムに対して浸出および浄液を行うことで得られるＳｎ電解溶液に、Ｓｎメタルを添加し、セメンテーション反応によって前記Ｓｂを析出させるＳｂ析出工程と、前記Ｓｂ析出工程後の前記Ｓｎ電解溶液に対して電解採取を行うことでＳｎを析出させるＳｎ析出工程と、を含むことを特徴とする。【選択図】図４