A Clean and Efficient Method for Recovery of Vanadium from Vanadium Slag: Nonsalt Roasting and Ammonium Carbonate Leaching Processes
Li, Meng1,2,3; Zheng, Shili2; Liu, Biao2; Wang, Shaona2; Dreisinger, D. B.3; Zhang, Yang2; Du, Hao2,4; Zhang, Yi2
2017
发表期刊MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW
ISSN0882-7508
卷号38期号:4页码:228-237
摘要

A cleaner method has been developed for the extraction of vanadium from vanadium slag. Compared to the traditional alkaline salts roasting followed by the water leaching process, in the nonsalt roasting process because no additives are added, the chromium spinel in the raw vanadium slag will not be converted to carcinogenic chromate salts and exhaust gas will not be produced. The ammonium metavanadate is precipitated from the water leach solution. The wastewater from the vanadate precipitation process can be recycled into the leaching process. The leaching residue can be comprehensively utilized in conjunction with an iron-making process using blast furnace. The nonsalt roasting mechanism was systematically investigated in a laboratory study. The XRD and morphology analysis of roasted vanadium slag showed that the oxidation of vanadium spinel occurred in the following steps: (1) the destruction of vanadium spinel and the formation of solid solution of Fe2O3V2O3; (2) the oxidation of solid solution of Fe2O3V2O3 to Fe2O3V2O4 and a portion of the V(IV) in the Fe2O3V2O4 was reacted with basic oxide such as MgO to generate the low-valence vanadate Mg2VO4; (3) the formation by further oxidation of highest-valence vanadates Mn2V2O7 and Mg2V2O7. The effects of particle size, oxygen concentration, gas flow rate, and temperature on vanadium recovery were investigated. Simultaneously, the effects of leaching variables, including ammonium carbonate concentration and temperature, were examined. The thermodynamics of the system are also reported.

关键词Ammonium Carbonate Solution Nonsalt Roasting Roasting And Leaching Mechanism Vanadium
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
DOI10.1080/08827508.2017.1288117
收录类别SCI
语种英语
关键词[WOS]OXIDATION ; EXTRACTION ; KINETICS ; FEV2O4 ; IRON
WOS研究方向Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
WOS类目Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
项目资助者National Natural Science Foundation of China(51404227 ; Science and Technology Service Network Initiative for the Chinese Academy of Sciences(KFJ-SW-STS-148) ; China Scholarship Council (CSC)(201506080059) ; 91634111)
WOS记录号WOS:000403425300002
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22704
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Northeastern Univ, Sch Met, Shenyang, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Univ British Columbia, Dept Mat Engn, Vancouver, BC, Canada
4.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Li, Meng,Zheng, Shili,Liu, Biao,et al. A Clean and Efficient Method for Recovery of Vanadium from Vanadium Slag: Nonsalt Roasting and Ammonium Carbonate Leaching Processes[J]. MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW,2017,38(4):228-237.
APA Li, Meng.,Zheng, Shili.,Liu, Biao.,Wang, Shaona.,Dreisinger, D. B..,...&Zhang, Yi.(2017).A Clean and Efficient Method for Recovery of Vanadium from Vanadium Slag: Nonsalt Roasting and Ammonium Carbonate Leaching Processes.MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW,38(4),228-237.
MLA Li, Meng,et al."A Clean and Efficient Method for Recovery of Vanadium from Vanadium Slag: Nonsalt Roasting and Ammonium Carbonate Leaching Processes".MINERAL PROCESSING AND EXTRACTIVE METALLURGY REVIEW 38.4(2017):228-237.
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