CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
A cleaner vanadium extraction method featuring non-salt roasting and ammonium bicarbonate leaching
Li, Meng1,2,4; Liu, Biao2; Zheng, Shili2; Wang, Shaona2; Du, Hao2,3; Dreisinger, D. B.4; Zhang, Yi2
2017-04-15
Source PublicationJOURNAL OF CLEANER PRODUCTION
ISSN0959-6526
Volume149Issue:APRPages:206-217
Abstract

A cleaner method featuring non-salt roasting and ammonium bicarbonate leaching has been studied for the extraction of vanadium from vanadium slag. Compared to the traditional alkaline salt roasting followed by water leaching process, chromium spinel in the raw vanadium slag will not be converted to carcinogenic chromate salts and exhaust gas will not be produced in the non-salt roasting process. The soluble salt, NH4VO3, can be easily crystallized directly by cooling. The wastewater from vanadate precipitation can be recycled in the leaching process. The leaching residue can be comprehensively utilized in conjunction with an iron-making process. The oxidation mechanisms of vanadium spinel were analyzed using XRD and SEM-EDS. Additionally, the effects of leaching variables, including ammonium bicarbonate concentration, roasted vanadium slag particle size, and leaching temperature, were examined. Finally, the leaching thermodynamics and leaching kinetics have been studied. (C) 2017 Elsevier Ltd. All rights reserved.

KeywordVanadium Slag Non-salt Roasting Leaching Thermodynamics Ammonium Bicarbonate Leaching Kinetics
SubtypeReview
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1016/j.jclepro.2017.02.093
Indexed BySCI
Language英语
WOS KeywordTITANO-MAGNETITE ; SULFURIC-ACID ; SLAG ; KINETICS ; OXIDATION ; OXIDE ; SEPARATION ; FEV2O4 ; NICKEL ; SYSTEM
WOS Research AreaEngineering ; Environmental Sciences & Ecology
WOS SubjectEngineering, Environmental ; Environmental Sciences
Funding OrganizationScience and Technology Service Network Initiative for the Chinese Academy of Sciences(KFJ-SW-STS-148) ; National Natural Science Foundation of China(51404227 ; China Scholarship Council(201506080059) ; 91634111)
WOS IDWOS:000403330200018
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22711
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, 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 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,Liu, Biao,Zheng, Shili,et al. A cleaner vanadium extraction method featuring non-salt roasting and ammonium bicarbonate leaching[J]. JOURNAL OF CLEANER PRODUCTION,2017,149(APR):206-217.
APA Li, Meng.,Liu, Biao.,Zheng, Shili.,Wang, Shaona.,Du, Hao.,...&Zhang, Yi.(2017).A cleaner vanadium extraction method featuring non-salt roasting and ammonium bicarbonate leaching.JOURNAL OF CLEANER PRODUCTION,149(APR),206-217.
MLA Li, Meng,et al."A cleaner vanadium extraction method featuring non-salt roasting and ammonium bicarbonate leaching".JOURNAL OF CLEANER PRODUCTION 149.APR(2017):206-217.
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