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Solubility of Sodium Chromate in the NaOH-CH3OH-H2O System from (278.15 to 343.15) K
Tang, Shi-hui1,2,3; Pei, Li-li1,2; Tian, Ying1,2; Wang, Xue-kui3; Sha, Zuo-liang3; Gao, Yi-ying1,2; Xu, Hong-bin1,2; Zhang, Yi1,2
2015-06-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume60Issue:6Pages:1584-1591
Abstract

The solubility of sodium chromate in the NaOH-CH3OH-H2O system have been measured using the static analytical method at temperatures of (303.15, 313.15, 323.15, and 333.15) K. The measured results were respectively correlated by the Apelblat equation, the empirical equation, and the lambda-h equation. Meanwhile, it was found that the liquid-liquid phase separation, also termed as oiling out, will happen under certain conditions. The relationship between the steady-state critical temperature and solvent composition was studied systematically using FBRM. The results show that the solubility of sodium chromate increases with increasing temperature and decreases with increasing concentration of sodium hydroxide, respectively. Three models were employed to correlate the experimental data, which fit the data well. Moreover, the Apelblat equation for the system has less deviations than the lambda-h equation and the empirical equation. The results also show that the steady state critical oiling-out temperature increases with the increase of methanol mass fraction.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/je5010356
Indexed BySCI
Language英语
WOS KeywordMANUFACTURING PROCESS ; WATER ; ACID ; MIXTURES ; SOLVENTS ; LINE
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000356316400005
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19301
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.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Tianjin Univ Sci & Technol, Coll Marine Sci & Engn, Tianjin 300457, Peoples R China
Recommended Citation
GB/T 7714
Tang, Shi-hui,Pei, Li-li,Tian, Ying,et al. Solubility of Sodium Chromate in the NaOH-CH3OH-H2O System from (278.15 to 343.15) K[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2015,60(6):1584-1591.
APA Tang, Shi-hui.,Pei, Li-li.,Tian, Ying.,Wang, Xue-kui.,Sha, Zuo-liang.,...&Zhang, Yi.(2015).Solubility of Sodium Chromate in the NaOH-CH3OH-H2O System from (278.15 to 343.15) K.JOURNAL OF CHEMICAL AND ENGINEERING DATA,60(6),1584-1591.
MLA Tang, Shi-hui,et al."Solubility of Sodium Chromate in the NaOH-CH3OH-H2O System from (278.15 to 343.15) K".JOURNAL OF CHEMICAL AND ENGINEERING DATA 60.6(2015):1584-1591.
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