Measurement and Modeling of the Solubility of NH4VO3 in the Na2HPO4-H2O and (NH4)(2)HPO4-H2O Systems
Gong, Xuli1,2,3; Ning, Pengge1,2; Cao, Hongbin1,2; Zhang, Changqiao3
2016
发表期刊JOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
卷号61期号:1页码:628-635
摘要The solubilities of ammonium metavanadate (NH4VO3) in (NH4)(2)HPO4-H2O and Na2HPO4-H2O systems were measured in the temperature range from 298.15 to 338.15 K by the isothermal dissolution method. The experimental data indicate that the solubility of NH4VO3 increases with the addition of Na2HPO4, while it first decreases and then increases with the addition of (NH4)(2)HPO4. The common ion effect and chemical equilibrium were used to explain the solubility tendencies. Two models, the Bromley-Zemaitis model and Pitzer model, were selected to correlate the solubilities of NH4VO3 in the above systems. The parameters of the new model referring to four ion-ion pairs and one ion-molecule pair were obtained via the regression of the experimental data, and the results agreed well with the experimental values. The new chemical model was then applied to analyze the main vanadium-bearing species distribution in the systems mentioned above. All of this work will develop the thermodynamics for an industrial application in the precipitation of NH4VO3.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1021/acs.jced.5b00780
收录类别SCI
语种英语
关键词[WOS]SOLVENT-EXTRACTION ; 323 K ; THERMODYNAMIC PROPERTIES ; TRANSPORT-PROPERTIES ; NON-ELECTROLYTES ; HIGH-PRESSURES ; VANADIUM ; TEMPERATURES ; SEPARATION ; CATALYST
WOS研究方向Thermodynamics ; Chemistry ; Engineering
WOS类目Thermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
项目资助者National Natural Science Foundation of China(51178446 ; 21202068)
WOS记录号WOS:000368564600073
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20602
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Res Ctr Proc Pollut Control, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
3.Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Peoples R China
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Gong, Xuli,Ning, Pengge,Cao, Hongbin,et al. Measurement and Modeling of the Solubility of NH4VO3 in the Na2HPO4-H2O and (NH4)(2)HPO4-H2O Systems[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2016,61(1):628-635.
APA Gong, Xuli,Ning, Pengge,Cao, Hongbin,&Zhang, Changqiao.(2016).Measurement and Modeling of the Solubility of NH4VO3 in the Na2HPO4-H2O and (NH4)(2)HPO4-H2O Systems.JOURNAL OF CHEMICAL AND ENGINEERING DATA,61(1),628-635.
MLA Gong, Xuli,et al."Measurement and Modeling of the Solubility of NH4VO3 in the Na2HPO4-H2O and (NH4)(2)HPO4-H2O Systems".JOURNAL OF CHEMICAL AND ENGINEERING DATA 61.1(2016):628-635.
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