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| The influence of impurities on Ga electrowinning: Vanadium and iron | |
| Alternative Title | Hydrometallurgy |
| Liu, Ling1,2; Wang, Mingyong1; Wang, Zhi1; Zhang, Yi1 | |
| 2014-05-01 | |
| Source Publication | HYDROMETALLURGY
 |
| ISSN | 0304-386X |
| Volume | 146Issue:1Pages:76-81 |
| Abstract | 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.; 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. |
| Keyword | Gallium Vanadium Iron Electrowinning Current Efficiency |
| Subtype | Article |
| WOS Headings | Science & Technology ; Technology |
| DOI | 10.1016/j.hydromet.2014.03.009 |
| URL | 查看原文 |
| Indexed By | SCI |
| Language | 英语 |
| WOS Keyword | PHOTOVOLTAIC CELLS ; ALKALINE-SOLUTIONS ; PRECURSOR FILMS ; COPPER POWDERS ; GALLIUM ; ELECTRODEPOSITION ; RECOVERY ; LIQUORS |
| WOS Research Area | Metallurgy & Metallurgical Engineering |
| WOS Subject | Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000337856200011 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Version | 出版稿 |
| Identifier | http://ir.ipe.ac.cn/handle/122111/10938 |
| Collection | 研究所（批量导入） |
| Affiliation | 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 |
| Recommended Citation 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. |
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| The influence of imp（1225KB） | 限制开放 | CC BY-NC-SA | Application Full Text | |||
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