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
发表期刊JOURNAL OF CHEMICAL THERMODYNAMICS
ISSN0021-9614
卷号98期号:JULY页码:165-172
摘要The 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.
关键词Solubility Sodium Molybdate Sodium Tungstate Model Parameter Prediction
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.jct.2016.01.015
收录类别SCI
语种英语
关键词[WOS]ACTIVITY-COEFFICIENTS ; SOLVENT-EXTRACTION ; SULFATE-SOLUTIONS ; SODIUM TUNGSTATE ; THERMODYNAMICS ; MOLYBDENUM ; MOLYBDATE ; 298.15-K
WOS研究方向Thermodynamics ; Chemistry
WOS类目Thermodynamics ; Chemistry, Physical
项目资助者National Natural Science Foundation(21202068)
WOS记录号WOS:000375203500021
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21028
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.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
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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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