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Phase Diagrams for the Ternary Na2O-Al2O3-H2O System at (150 and 180) degrees C
Alternative TitleJ. Chem. Eng. Data
Jin, Wei1,2; Zheng, Shili1; Du, Hao1; Xu, Hongbin1; Wang, Shaona1; Zhang, Yi1
2010-07-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume55Issue:7Pages:2470-2473
AbstractThe full alkali concentration range phase diagrams of the Na2O-Al2O3-H2O system were constructed at (150 and 180) degrees C. The compositions of the clear liquids and wet solid phases were analyzed by inductively coupled plasma atomic emission spectrometry (ICP-AES), and the results show that, as the Na2O concentration increases, the Al2O3 solubility initially increases monotonically, to maximum values of 100 w (mass fraction) = 33.58 and 35.86 at (150 and 180) degrees C, respectively, and then decreases. At both temperatures, the solid phases were determined to be Al2O3 center dot H2O, Na2O center dot Al2O3 center dot 2.5H(2)O, Na2O center dot Al2O3, and NaOH by X-ray diffraction coupled with Schreinemaker's method. The phase diagrams indicate that, as the temperature increases, the Na2O center dot Al2O3 center dot 2.5H(2)O phase region shrinks, while that of the Na2O center dot Al2O3 phase expands.; The full alkali concentration range phase diagrams of the Na2O-Al2O3-H2O system were constructed at (150 and 180) degrees C. The compositions of the clear liquids and wet solid phases were analyzed by inductively coupled plasma atomic emission spectrometry (ICP-AES), and the results show that, as the Na2O concentration increases, the Al2O3 solubility initially increases monotonically, to maximum values of 100 w (mass fraction) = 33.58 and 35.86 at (150 and 180) degrees C, respectively, and then decreases. At both temperatures, the solid phases were determined to be Al2O3 center dot H2O, Na2O center dot Al2O3 center dot 2.5H(2)O, Na2O center dot Al2O3, and NaOH by X-ray diffraction coupled with Schreinemaker's method. The phase diagrams indicate that, as the temperature increases, the Na2O center dot Al2O3 center dot 2.5H(2)O phase region shrinks, while that of the Na2O center dot Al2O3 phase expands.
KeywordAlkaline-solutions Sodium Aluminate
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/je900859n
URL查看原文
Indexed BySCI
Language英语
WOS KeywordALKALINE-SOLUTIONS ; SODIUM ALUMINATE
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000279508100018
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6426
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Jin, Wei,Zheng, Shili,Du, Hao,et al. Phase Diagrams for the Ternary Na2O-Al2O3-H2O System at (150 and 180) degrees C[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2010,55(7):2470-2473.
APA Jin, Wei,Zheng, Shili,Du, Hao,Xu, Hongbin,Wang, Shaona,&Zhang, Yi.(2010).Phase Diagrams for the Ternary Na2O-Al2O3-H2O System at (150 and 180) degrees C.JOURNAL OF CHEMICAL AND ENGINEERING DATA,55(7),2470-2473.
MLA Jin, Wei,et al."Phase Diagrams for the Ternary Na2O-Al2O3-H2O System at (150 and 180) degrees C".JOURNAL OF CHEMICAL AND ENGINEERING DATA 55.7(2010):2470-2473.
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