Room Temperature Magnesium Electrorefining by Using Non-Aqueous Electrolyte

被引：5

作者：

Park, Jesik ^{[1
]}

Jung, Yeojin ^{[2
]}

Kusumah, Priyandi ^{[2
]}

Dilasari, Bonita ^{[2
]}

Ku, Heesuk ^{[2
]}

Kim, Hansu ^{[3
]}

Kwon, Kyungjung ^{[2
]}

Lee, Churl Kyoung ^{[1
]}

机构：

[1] Kumoh Natl Inst Technol, Sch Adv Mat & Syst Engn, Gumi 39177, South Korea

[2] Sejong Univ, Dept Energy & Mineral Resources Engn, Seoul 05006, South Korea

[3] Hanyang Univ, Dept Energy Engn, Seoul 04763, South Korea

来源：

METALS AND MATERIALS INTERNATIONAL | 2016年 / 22卷 / 05期

关键词：

alloys; purification; electrochemistry; scanning electron microscopy; magnesium; BMIMBF4 IONIC LIQUID; ALLOY; ELECTRODEPOSITION; DEPOSITION; BATTERIES; MG; DISSOLUTION; CORROSION; LITHIUM; COUPLES;

D O I：

10.1007/s12540-016-5605-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The increasing usage of magnesium inevitably leads to a fast increase in magnesium scrap, and magnesium recycling appears extremely beneficial for cost reduction, preservation of natural resources and protection of the environment. Magnesium refining for the recovery of high purity magnesium from metal scrap alloy (AZ31B composed of magnesium, aluminum, zinc, manganese and copper) at room temperature is investigated with a non-aqueous electrolyte (tetrahydrofuran with ethyl magnesium bromide). A high purity (99.999%) of electrorefined magneisum with a smooth and dense surface is obtained after potentiostatic electrolysis with an applied voltage of 2 V. The selective dissolution of magnesium from magnesium alloy is possible by applying an adequate potential considering the tolerable impurity level in electrorefined magnesium and processing time. The purity estimation method suggested in this study can be useful in evaluating the maximum content of impurity elements.

引用

页码：907 / 914

页数：8

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