The influence of impurities on Ga electrowinning: Vanadium and iron
文献类型：期刊论文
| 作者 | Liu, Ling1,2; Wang, Mingyong1; Wang, Zhi1; Zhang, Yi1 |
| 刊名 | HYDROMETALLURGY
 |
| 出版日期 | 2014-05-01 |
| 卷号 | 146期号:1页码:76-81 |
| 关键词 | Gallium Vanadium Iron Electrowinning Current efficiency |
| ISSN号 | 0304-386X |
| 其他题名 | Hydrometallurgy |
| 中文摘要 | During the electrolytic extraction of Ga, iron and vanadium are main metal impurities in Ga solution. The influences of Fe(III) and V(V) on current efficiency (QE) of Ga electrowinning were studied. The surface structures of electrodeposited Ga coatings were examined by SEM, EDS and potentiodynarnic polarization. The results indicate that QE is sharply decreased in the presence of V(V). Spherical Ga particles are easily produced in Ga solution with impurities, especially in the presence of V(V) and at higher current density. It is difficult for Ga particles with impurities and newly formed Ga crystals to incorporate into Ga films due to the difference of surface structure and properties between Ga and impurities. As a result, newly formed Ga crystals are easily re-dissolved which leads to the decrease of QE. When both Fe(III) and V(V) exist in Ga solution, QE at lower current density is increased due to the siderophile affinity of Ga. (C) 2014 Elsevier B.V. All rights reserved. |
| 英文摘要 | During the electrolytic extraction of Ga, iron and vanadium are main metal impurities in Ga solution. The influences of Fe(III) and V(V) on current efficiency (QE) of Ga electrowinning were studied. The surface structures of electrodeposited Ga coatings were examined by SEM, EDS and potentiodynarnic polarization. The results indicate that QE is sharply decreased in the presence of V(V). Spherical Ga particles are easily produced in Ga solution with impurities, especially in the presence of V(V) and at higher current density. It is difficult for Ga particles with impurities and newly formed Ga crystals to incorporate into Ga films due to the difference of surface structure and properties between Ga and impurities. As a result, newly formed Ga crystals are easily re-dissolved which leads to the decrease of QE. When both Fe(III) and V(V) exist in Ga solution, QE at lower current density is increased due to the siderophile affinity of Ga. (C) 2014 Elsevier B.V. All rights reserved. |
| WOS标题词 | Science & Technology ; Technology |
| 类目[WOS] | Metallurgy & Metallurgical Engineering |
| 研究领域[WOS] | Metallurgy & Metallurgical Engineering |
| 关键词[WOS] | PHOTOVOLTAIC CELLS ; ALKALINE-SOLUTIONS ; PRECURSOR FILMS ; COPPER POWDERS ; GALLIUM ; ELECTRODEPOSITION ; RECOVERY ; LIQUORS |
| 收录类别 | SCI |
| 原文出处 | |
| 语种 | 英语 |
| WOS记录号 | WOS:000337856200011 |
| 公开日期 | 2014-08-28 |
| 版本 | 出版稿 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/10938]  |
| 专题 | 过程工程研究所_研究所（批量导入） |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Ling,Wang, Mingyong,Wang, Zhi,et al. The influence of impurities on Ga electrowinning: Vanadium and iron[J]. HYDROMETALLURGY,2014,146(1):76-81. |
| APA | Liu, Ling,Wang, Mingyong,Wang, Zhi,&Zhang, Yi.(2014).The influence of impurities on Ga electrowinning: Vanadium and iron.HYDROMETALLURGY,146(1),76-81. |
| MLA | Liu, Ling,et al."The influence of impurities on Ga electrowinning: Vanadium and iron".HYDROMETALLURGY 146.1(2014):76-81. |
入库方式： OAI收割
来源：过程工程研究所
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