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Phase Diagram for the NaOH-Al(OH)(3)-Na2CO3-H2O System at 393 K
Alternative TitleJ. Chem. Eng. Data
Guo, Tao1,2; Zhang, Yifei1; Zhang, Yi1
2014-03-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume59Issue:3Pages:817-820
AbstractA phase diagram for the NaOH-Al(OH)(3)-Na2CO3-H2O system at 393 K is constructed, and five crystallization zones are discussed in detail. With the increase of the concentration of sodium hydroxide, the Al2O3 solubility shows an initial rise followed by a downward trend, but the solubility of Na2CO3 decreases. The solubility of Na2CO3 is found to be not sensitive to the temperature and the Al2O3 concentration in the sodium aluminate solution. The study indicates a feasible evaporation process when the high alkali aluminate solution with a high molar ratio of sodium oxide to alumina (MR) was concentrated from 380 g.L-1 to 550 g.L-1 or even to higher concentrations.; A phase diagram for the NaOH-Al(OH)(3)-Na2CO3-H2O system at 393 K is constructed, and five crystallization zones are discussed in detail. With the increase of the concentration of sodium hydroxide, the Al2O3 solubility shows an initial rise followed by a downward trend, but the solubility of Na2CO3 decreases. The solubility of Na2CO3 is found to be not sensitive to the temperature and the Al2O3 concentration in the sodium aluminate solution. The study indicates a feasible evaporation process when the high alkali aluminate solution with a high molar ratio of sodium oxide to alumina (MR) was concentrated from 380 g.L-1 to 550 g.L-1 or even to higher concentrations.
KeywordDegrees-c Na2o-al2o3-h2o System Aqueous-solutions Equilibrium
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/je400952t
URL查看原文
Indexed BySCI
Language英语
WOS KeywordDEGREES-C ; NA2O-AL2O3-H2O SYSTEM ; AQUEOUS-SOLUTIONS ; EQUILIBRIUM
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000333005900035
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Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/8163
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Guo, Tao,Zhang, Yifei,Zhang, Yi. Phase Diagram for the NaOH-Al(OH)(3)-Na2CO3-H2O System at 393 K[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2014,59(3):817-820.
APA Guo, Tao,Zhang, Yifei,&Zhang, Yi.(2014).Phase Diagram for the NaOH-Al(OH)(3)-Na2CO3-H2O System at 393 K.JOURNAL OF CHEMICAL AND ENGINEERING DATA,59(3),817-820.
MLA Guo, Tao,et al."Phase Diagram for the NaOH-Al(OH)(3)-Na2CO3-H2O System at 393 K".JOURNAL OF CHEMICAL AND ENGINEERING DATA 59.3(2014):817-820.
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