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Vapor Liquid Equilibria for the ZnSO4-H2SO4 H2O and MgSO4 H2SO4 H2O Systems at (30, 60, 90, and 101.3) kPa
Alternative TitleJ. Chem. Eng. Data
Li, Geng1; Zhang, Yan1; Asselin, Edouard2; Li, Zhibao1
2014-11-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume59Issue:11Pages:3449-3460
AbstractVapor-liquid equilibria (boiling points) data for the ZnSO4H2SO4H2O and the MgSO4H2SO4H2O systems were determined by the quasi-static ebulliometric method at (30, 60, 90, and 101.3) kPa. The boiling points of the ZnSO4H2O and the ZnSO4H2SO4H2O systems were used to regress new chemical model parameters with the average absolute deviation of only 0.08 K. The model was verified by comparing its predictions of the solubility of zinc sulfate in water from (273.15 to 310.15) K and the activity of water in zinc sulfate solution at 298.15 K with literature data. Furthermore, the distributions of the ZnSO4(aq) (ZnSO4 neutral species), Zn2+, MgSO44(aq) (MgSO4 neutral species) and Mg2+ species were predicted. The ZnSOO4-H2SO4-H2O system speciation provided a thermodynamic basis for the empirically optimized zinc sulfate concentrations currently employed in the Zn electrowinning industry.; Vapor-liquid equilibria (boiling points) data for the ZnSO4H2SO4H2O and the MgSO4H2SO4H2O systems were determined by the quasi-static ebulliometric method at (30, 60, 90, and 101.3) kPa. The boiling points of the ZnSO4H2O and the ZnSO4H2SO4H2O systems were used to regress new chemical model parameters with the average absolute deviation of only 0.08 K. The model was verified by comparing its predictions of the solubility of zinc sulfate in water from (273.15 to 310.15) K and the activity of water in zinc sulfate solution at 298.15 K with literature data. Furthermore, the distributions of the ZnSO4(aq) (ZnSO4 neutral species), Zn2+, MgSO44(aq) (MgSO4 neutral species) and Mg2+ species were predicted. The ZnSOO4-H2SO4-H2O system speciation provided a thermodynamic basis for the empirically optimized zinc sulfate concentrations currently employed in the Zn electrowinning industry.
KeywordSulfuric-acid Hydrometallurgical Recovery Strong Electrolytes Aqueous-solutions Carbon Batteries Znso4 Solutions Plus Ethanol Zinc Thermodynamics Model
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/je5004252
URL查看原文
Indexed BySCI
Language英语
WOS KeywordSULFURIC-ACID ; HYDROMETALLURGICAL RECOVERY ; STRONG ELECTROLYTES ; AQUEOUS-SOLUTIONS ; CARBON BATTERIES ; ZNSO4 SOLUTIONS ; PLUS ETHANOL ; ZINC ; THERMODYNAMICS ; MODEL
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000344977600019
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11768
Collection研究所(批量导入)
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 1Z4, Canada
Recommended Citation
GB/T 7714
Li, Geng,Zhang, Yan,Asselin, Edouard,et al. Vapor Liquid Equilibria for the ZnSO4-H2SO4 H2O and MgSO4 H2SO4 H2O Systems at (30, 60, 90, and 101.3) kPa[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2014,59(11):3449-3460.
APA Li, Geng,Zhang, Yan,Asselin, Edouard,&Li, Zhibao.(2014).Vapor Liquid Equilibria for the ZnSO4-H2SO4 H2O and MgSO4 H2SO4 H2O Systems at (30, 60, 90, and 101.3) kPa.JOURNAL OF CHEMICAL AND ENGINEERING DATA,59(11),3449-3460.
MLA Li, Geng,et al."Vapor Liquid Equilibria for the ZnSO4-H2SO4 H2O and MgSO4 H2SO4 H2O Systems at (30, 60, 90, and 101.3) kPa".JOURNAL OF CHEMICAL AND ENGINEERING DATA 59.11(2014):3449-3460.
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