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Determination and modeling for the solubility of Na2MoO4 center dot 2H(2)O in the (Na+ + MoO42- + SO42-) system
Ning, Pengge1,2,3; Xu, Weifeng1; Cao, Hongbin1,2; Lin, Xiao1,2; Xu, Hongbin1,3
2016-03-01
Source PublicationJOURNAL OF CHEMICAL THERMODYNAMICS
ISSN0021-9614
Volume94Issue:MARPages:67-73
AbstractThe solubility of Na2MoO4 center dot 2H(2)O in ( Na+ + MoO42 + SO42) system was carried out using a dynamic method within the temperature range from 293.15 K to 343.15 K. The new model was established via regression of the published and the determined values to predict the solubility. From the results, the solubility of sodium molybdate increases with the temperature increase, however, it decreases with the increasing concentration of sodium sulfate. The Pitzer parameters and the solubility product constant of sodium sulfate and sodium molybdate in aqueous solution were obtained using the literature data. The solubilities of the sodium molybdate in the sodium sulfate solution as well as the thermodynamic parameters were calculated based on the experimental values obtained. The new model was also applied to estimate the solubility of the sodium molybdate under various conditions. The calculated values agree well with the experiment results. (C) 2015 Published by Elsevier Ltd.
KeywordSolubility Sodium Molybdate Sodium Sulfate Model Parameter
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.jct.2015.10.020
Indexed BySCI
Language英语
WOS KeywordACTIVITY-COEFFICIENTS ; SOLVENT-EXTRACTION ; SULFATE-SOLUTIONS ; SODIUM TUNGSTATE ; CRYSTALLIZATION ; THERMODYNAMICS ; MOLYBDENUM ; MOLYBDATE ; 298.15-K
WOS Research AreaThermodynamics ; Chemistry
WOS SubjectThermodynamics ; Chemistry, Physical
Funding OrganizationNational Natural Science Foundation(21202068 ; 51425405)
WOS IDWOS:000366850200009
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20182
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Beijing Engn Res Ctr Proc Pollut Control, Beijing, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Ning, Pengge,Xu, Weifeng,Cao, Hongbin,et al. Determination and modeling for the solubility of Na2MoO4 center dot 2H(2)O in the (Na+ + MoO42- + SO42-) system[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2016,94(MAR):67-73.
APA Ning, Pengge,Xu, Weifeng,Cao, Hongbin,Lin, Xiao,&Xu, Hongbin.(2016).Determination and modeling for the solubility of Na2MoO4 center dot 2H(2)O in the (Na+ + MoO42- + SO42-) system.JOURNAL OF CHEMICAL THERMODYNAMICS,94(MAR),67-73.
MLA Ning, Pengge,et al."Determination and modeling for the solubility of Na2MoO4 center dot 2H(2)O in the (Na+ + MoO42- + SO42-) system".JOURNAL OF CHEMICAL THERMODYNAMICS 94.MAR(2016):67-73.
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