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Solubilities of NH4VO3 in the NH3-NH4+-SO42--Cl--H2O System and Modeling by the Bromley-Zemaitis Equation
Liu, Feng1,2; Ning, Pengge2; Cao, Hongbin2; Li, Zhibao2; Zhang, Yi1,2
2013-05-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume58Issue:5Pages:1321-1328
AbstractThe solubility of ammonium metavanadate (NH4VO3) in ammonium salt solution is significant for the precipitation of NH4VO3 from the vanadium-containing solution. The solubilities of NH4VO3 in the (NH4)(2)SO4-H2O, NH4Cl-H2O, and (NH4)(2)SO4-NH3-H2O systems were measured using dynamic method in the temperature range from (298 to 343) K. The investigated concentration is up to 3.0 mol.kg(-1), 2.5 mol.kg(-1), and 5.2 mol.kg(-1) for (NH4)(2)SO4, NH4Cl, and NH3, respectively. The solubility of NH4VO3 decreases sharply with the addition of (NH4)(2)SO4 or NH4Cl while the solubility of NH4VO3 in the mixed NH3 and (NH4)(2)SO4 (0.10 mol.kg(-1)) solution increases first and then levels off with increasing NH3 concentration. The solubility product constant (K-SP) of NH4VO3 was also determined using the standard-state thermodynamic data. The Bromley-Zemaitis model was applied to model the solubility of NH4VO3 in the systems mentioned above, and five pairs of new model parameters were obtained via the regression of the experimental solubilities. A chemical model was established to successfully calculate the solubility of NH4VO3 in all systems. All of the work done in this research will provide a thermodynamic basis for industrial development in the precipitation of NH4VO3.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS KeywordTHERMODYNAMIC PROPERTIES ; TRANSPORT-PROPERTIES ; HIGH-PRESSURES ; PHASE-DIAGRAM ; 323 K ; TEMPERATURES
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000318891600035
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13363
Collection研究所(批量导入)
Affiliation1.Tianjin Univ, Natl Engn Res Ctr Distillat Technol, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Liu, Feng,Ning, Pengge,Cao, Hongbin,et al. Solubilities of NH4VO3 in the NH3-NH4+-SO42--Cl--H2O System and Modeling by the Bromley-Zemaitis Equation[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2013,58(5):1321-1328.
APA Liu, Feng,Ning, Pengge,Cao, Hongbin,Li, Zhibao,&Zhang, Yi.(2013).Solubilities of NH4VO3 in the NH3-NH4+-SO42--Cl--H2O System and Modeling by the Bromley-Zemaitis Equation.JOURNAL OF CHEMICAL AND ENGINEERING DATA,58(5),1321-1328.
MLA Liu, Feng,et al."Solubilities of NH4VO3 in the NH3-NH4+-SO42--Cl--H2O System and Modeling by the Bromley-Zemaitis Equation".JOURNAL OF CHEMICAL AND ENGINEERING DATA 58.5(2013):1321-1328.
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