CAS OpenIR  > 湿法冶金清洁生产技术国家工程实验室
Leaching kinetics of szaibelyite ore in NaOH solution
Qin, Shiyue1; Yin, Baowen1,2; Zhang, Yifei1; Zhang, Yi1
2015-10-01
Source PublicationHYDROMETALLURGY
ISSN0304-386X
Volume157Issue:OCTPages:333-339
Abstract

The leaching of szaibelyite ore in NaOH solution to prepare sodium metaborate dihydrate was investigated in a batch reactor. The effects of the reaction temperature, NaOH concentration and liquid to solid ratio on the leaching rate have been evaluated and the conversion of boron could reach 95% in 2 h under the optimum reaction conditions. There were two distinct stages in the leaching process and kinetics of both stages followed shrinking core model. The activation energy of stage one (initial 30 min) and stage two (30-120 min) was estimated to be 41.57 kJ/mol and 40.41 kJ/mol, respectively. The kinetics analysis showed that the leaching process was controlled by chemical reaction. (C) 2015 Elsevier B.V. All rights reserved.

KeywordExtraction Of Boron Szaibelyite Ore Sodium Metaborate Dihydrate Kinetics Analysis
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.hydromet.2015.09.014
Indexed BySCI
Language英语
WOS KeywordDIOXIDE ; ULEXITE
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
Funding OrganizationNational 863 Project of China(2011AA060701) ; National Natural Science Foundation of China(21276258)
WOS IDWOS:000364252700045
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19835
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Qin, Shiyue,Yin, Baowen,Zhang, Yifei,et al. Leaching kinetics of szaibelyite ore in NaOH solution[J]. HYDROMETALLURGY,2015,157(OCT):333-339.
APA Qin, Shiyue,Yin, Baowen,Zhang, Yifei,&Zhang, Yi.(2015).Leaching kinetics of szaibelyite ore in NaOH solution.HYDROMETALLURGY,157(OCT),333-339.
MLA Qin, Shiyue,et al."Leaching kinetics of szaibelyite ore in NaOH solution".HYDROMETALLURGY 157.OCT(2015):333-339.
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