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Determination and modeling for the solubility of Na2WO4 center dot 2H(2)O and Na2MoO4 center dot 2H(2)O in the (Na+ + MoO42- + WO42- + SO42- + H2O) system
Ning, Pengge1,2,3; Xu, Weifeng1; Cao, Hongbin1,2; Xu, Hongbin1,2
2016-07-01
Source PublicationJOURNAL OF CHEMICAL THERMODYNAMICS
ISSN0021-9614
Volume98Issue:JULYPages:165-172
AbstractThe solubility of sodium tungstate dihydrate and sodium molybdate dihydrate in the (Na2MoO4 + Na2WO4 + Na2SO4 + H2O) system was studied using experimental and calculated methods. The osmotic coefficient of sodium tungstate was fitted to calculate the thermodynamics parameters of (Na2WO4 + H2O) system. The solubility of sodium tungstate dihydrate was determined using the dynamic method in Na2WO4-Na2SO4-H2O to establish the new model which can provide an estimate the solubility of sodium tungstate dihydrate in various conditions, combined with the data published, the solubility of sodium tungstate dihydrate and the sodium molybdate dihydrate in quaternary system of (Na2MoO4 + Na2WO4 + Na2SO4 + H2O) was estimated using the parameters of the two ternary systems of (Na2WO4 + Na2SO4 + H2O) and (Na2MoO4 + Na2SO4 + H2O). The results show that the AARD is always small and the calculated value is basically consistent with the experimental values for the system studied. (C) 2016 Published by Elsevier Ltd.
KeywordSolubility Sodium Molybdate Sodium Tungstate Model Parameter Prediction
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.jct.2016.01.015
Indexed BySCI
Language英语
WOS KeywordACTIVITY-COEFFICIENTS ; SOLVENT-EXTRACTION ; SULFATE-SOLUTIONS ; SODIUM TUNGSTATE ; THERMODYNAMICS ; MOLYBDENUM ; MOLYBDATE ; 298.15-K
WOS Research AreaThermodynamics ; Chemistry
WOS SubjectThermodynamics ; Chemistry, Physical
Funding OrganizationNational Natural Science Foundation(21202068)
WOS IDWOS:000375203500021
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21028
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.Natl Engn Lab Hydrometallurg 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 Na2WO4 center dot 2H(2)O and Na2MoO4 center dot 2H(2)O in the (Na+ + MoO42- + WO42- + SO42- + H2O) system[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2016,98(JULY):165-172.
APA Ning, Pengge,Xu, Weifeng,Cao, Hongbin,&Xu, Hongbin.(2016).Determination and modeling for the solubility of Na2WO4 center dot 2H(2)O and Na2MoO4 center dot 2H(2)O in the (Na+ + MoO42- + WO42- + SO42- + H2O) system.JOURNAL OF CHEMICAL THERMODYNAMICS,98(JULY),165-172.
MLA Ning, Pengge,et al."Determination and modeling for the solubility of Na2WO4 center dot 2H(2)O and Na2MoO4 center dot 2H(2)O in the (Na+ + MoO42- + WO42- + SO42- + H2O) system".JOURNAL OF CHEMICAL THERMODYNAMICS 98.JULY(2016):165-172.
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