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Phase Equilibria of the NaOH-NaBO2-Na2CO3-H2O System at 30 degrees C, 60 degrees C, and 100 degrees C
Qin, Shiyue1; Yin, Baowen1,2; Zhang, Yifei1; Zhang, Yi1
2015-10-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume60Issue:10Pages:3018-3023
Abstract

Equilibrium data of the NaOH-NaBO2-Na2CO3-H2O quaternary system at 30 degrees C, 60 degrees C, and 100 degrees C were measured by an isothermal method. The phase diagrams at 30 degrees C and 100 degrees C were constructed, and the crystallization zones were discussed. In the phase diagram, the quaternary system has two invariant points, five univariant curves, and four crystallization zones corresponding to NaBO2 center dot 4H(2)O (NaBO2 center dot 2H(2)O at 100 degrees C), NaBO2 center dot 2H(2)O (NaBO2 center dot 1/3H(2)O at 100 degrees C), Na2CO3 center dot H2O, and NaOH center dot H2KO (NaOH at 100 degrees C). In addition, the solubility isotherms of NaBO2 in Na2CO3-saturated NaOH solution and the solubility isotherms of Na2CO3 in NaBO2-saturated NaOH solution were plotted. The solubility of Na2CO3 in NaOH solution was compared with that in NaBO2-saturated NaOH solution. On the basis of the solubility data, a strategy for the effective separation of NaBO2 and Na2CO3 from the NaOH-NaBO2-Na2CO3-H2O quaternary system was proposed.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/acs.jced.5b00443
Indexed BySCI
Language英语
WOS KeywordSOLID-LIQUID EQUILIBRIA ; SODIUM PERBORATE TETRAHYDRATE ; 323 K ; NABH4 ; KCL-KBR-K2B4O7-H2O ; B4O72--H2O ; SOLUBILITY ; METABORATE ; SALTS ; BORAX
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000362701300022
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19639
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, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Qin, Shiyue,Yin, Baowen,Zhang, Yifei,et al. Phase Equilibria of the NaOH-NaBO2-Na2CO3-H2O System at 30 degrees C, 60 degrees C, and 100 degrees C[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2015,60(10):3018-3023.
APA Qin, Shiyue,Yin, Baowen,Zhang, Yifei,&Zhang, Yi.(2015).Phase Equilibria of the NaOH-NaBO2-Na2CO3-H2O System at 30 degrees C, 60 degrees C, and 100 degrees C.JOURNAL OF CHEMICAL AND ENGINEERING DATA,60(10),3018-3023.
MLA Qin, Shiyue,et al."Phase Equilibria of the NaOH-NaBO2-Na2CO3-H2O System at 30 degrees C, 60 degrees C, and 100 degrees C".JOURNAL OF CHEMICAL AND ENGINEERING DATA 60.10(2015):3018-3023.
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