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Extraction of Vanadium from Vanadium Slag Via Non-salt Roasting and Ammonium Oxalate Leaching
Li, Meng1,2,4; Du, Hao2,3; Zheng, Shili2; Wang, Shaona2; Zhang, Yang2; Liu, Biao2; Dreisinger, David Bruce4; Zhang, Yi2
2017-10-01
Source PublicationJOM
ISSN1047-4838
Volume69Issue:10Pages:1970-1975
Abstract

A clean method featuring non-salt roasting followed by (NH4)(2)C2O4 leaching to recover vanadium from vanadium slag was proposed. The carcinogenic Cr6+ compounds and exhaust gases were avoided, and the water generated from vanadate precipitation may be recycled and reused in this new leaching process. The leaching residues may be easily used by a blast furnace. Moreover, (NH4)(2)C2O4 solution was used as a leaching medium to avoid expensive and complicated ammonium controlling operations as a result of the stability of (NH4)(2)C2O4 at a high temperature. The transformation mechanisms of vanadium-and chromium-bearing phases were systematically investigated by x-ray diffraction analysis and scanning electron microscopy with energy-disperse x-ray spectrometry, respectively. In addition, the effects of oxygen concentration, roasting temperature, and holding time on vanadium recovery were investigated. Finally, the effects of leaching variables on the vanadium leaching rate were also examined.

SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1007/s11837-017-2494-4
Indexed BySCI
Language英语
WOS KeywordOxidation ; Kinetics ; Carbonate ; Recovery ; Fev2o4 ; System
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering ; Mineralogy ; Mining & Mineral Processing
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mineralogy ; Mining & Mineral Processing
Funding OrganizationNational Natural Science Foundation of China(51404227 ; Science and Technology Service Network Initiative for the Chinese Academy of Sciences(KFJ-SW-STS-148) ; National Basic Research Program of China (973 Program)(2013CB632605) ; China Scholarship Council (CSC)(201506080059) ; 51604254 ; 91634111)
WOS IDWOS:000410296900037
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23239
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Northeastern Univ, Sch Met, Shenyang 110819, Liaoning, Peoples R China
2.Chinese Acad Sci, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Univ British Columbia, Dept Mat Engn, Vancouver, BC V6T 1Z4, Canada
Recommended Citation
GB/T 7714
Li, Meng,Du, Hao,Zheng, Shili,et al. Extraction of Vanadium from Vanadium Slag Via Non-salt Roasting and Ammonium Oxalate Leaching[J]. JOM,2017,69(10):1970-1975.
APA Li, Meng.,Du, Hao.,Zheng, Shili.,Wang, Shaona.,Zhang, Yang.,...&Zhang, Yi.(2017).Extraction of Vanadium from Vanadium Slag Via Non-salt Roasting and Ammonium Oxalate Leaching.JOM,69(10),1970-1975.
MLA Li, Meng,et al."Extraction of Vanadium from Vanadium Slag Via Non-salt Roasting and Ammonium Oxalate Leaching".JOM 69.10(2017):1970-1975.
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