ELECTROWINNING METHOD OF ZINC METAL AND COLLECTION METHOD THEREOF

PROBLEM TO BE SOLVED: To make it possible to make a stable winning and collection of zinc metal in a low current density.SOLUTION: Provided are an electrowinning method of zinc metal and its related technique, in which an electrolyte includes a surface smoothing agent and chlorine ions, and when zin...

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Bibliographische Detailangaben
Hauptverfasser:	KOGA MASAHARU, INOGUCHI KOSUKE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS THEREFOR CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ELECTROLYTIC OR ELECTROPHORETIC PROCESSES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To make it possible to make a stable winning and collection of zinc metal in a low current density.SOLUTION: Provided are an electrowinning method of zinc metal and its related technique, in which an electrolyte includes a surface smoothing agent and chlorine ions, and when zinc is electrodeposited on an aluminum cathode plate, a current density is less than 100 A/mand the concentration of the chlorine ions in the electrolyte is less than 300 mg/l in the zinc electrowinning method of electrolyte by zinc sulfate.SELECTED DRAWING: None 【課題】低電流密度での金属亜鉛の安定した採取、回収を可能にする。【解決手段】硫酸亜鉛による電解液の亜鉛電解採取方法において、当該電解液に、表面平滑化剤および塩素イオンを含有し、アルミカソード板に亜鉛を電着する際に、電流密度を１００Ａ／ｍ２未満、かつ電解液における塩素イオンの濃度を３００ｍｇ／ｌ未満とする、金属亜鉛の電解採取方法およびその関連技術を提供する。【選択図】なし