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Solubility Measurement and Chemical Modeling of MgSO4 center dot 7H(2)O in the Ti(SO4)(2)-H2SO4-H2O System
Zhang, Yan1; Asselin, Edouard2; Li, Zhibao1
2016-07-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume61Issue:7Pages:2363-2370
AbstractThe solubility of MgSO4 center dot 7H(2)O in the H2SO4-H2O and Ti(SO4)(2)H2SO4-H2O systems was investigated from (278.2 to 308.2) K with initial H2504 concentrations of (0 to 5.5) mol-kg-1 by dynamic method. It was found that the solubility of MgSO4 center dot 7H(2)O in the H2SO4-H2O system gradually decreased and then slightly increased with the concentration of 112504. Each solubility curve has its own minimum which is temperature dependent. For the MgSO4-Ti(SO4)(2)-H2SO4-H2O system, the solubility of MgSO4 center dot 7H(2)Odecreased sharply with increasing concentrations of H2SO4 and Ti(SO4)(2) throughout the entire range investigated. A new chemical model was developed by regression of the experimental data for MgSO4 center dot 7H(2)O solubility to obtain new middle range interaction parameters for the mixed -solvent electrolyte (MSE) model. The model, with the newly obtained parameters, was applied to predict the speciation, water activity, and ionic activity coefficients in the MgSO4-H2SO4-H2O and MgSO4-Ti(SO4)(2)-H2SO4-H2O systems.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/acs.jced.5b01065
Indexed BySCI
Language英语
WOS KeywordTRANSPORT-PROPERTIES ; PHASE-DIAGRAM ; NA2SIO3-CENTER-DOT-9H(2)O ; EQUILIBRIA ; SPECIATION ; WATER
WOS Research AreaThermodynamics ; Chemistry ; Engineering
WOS SubjectThermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China(21506218 ; 21476235 ; U1407112)
WOS IDWOS:000379988600020
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21259
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, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ British Columbia, Dept Mat Engn, Vancouver, BC V6T 174, Canada
Recommended Citation
GB/T 7714
Zhang, Yan,Asselin, Edouard,Li, Zhibao. Solubility Measurement and Chemical Modeling of MgSO4 center dot 7H(2)O in the Ti(SO4)(2)-H2SO4-H2O System[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2016,61(7):2363-2370.
APA Zhang, Yan,Asselin, Edouard,&Li, Zhibao.(2016).Solubility Measurement and Chemical Modeling of MgSO4 center dot 7H(2)O in the Ti(SO4)(2)-H2SO4-H2O System.JOURNAL OF CHEMICAL AND ENGINEERING DATA,61(7),2363-2370.
MLA Zhang, Yan,et al."Solubility Measurement and Chemical Modeling of MgSO4 center dot 7H(2)O in the Ti(SO4)(2)-H2SO4-H2O System".JOURNAL OF CHEMICAL AND ENGINEERING DATA 61.7(2016):2363-2370.
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