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Phase Diagram for the Na2SO4-(NH4)(2)SO4-MEA-H2O System at Elevated Temperature
Li, Binghui1,3; Zhang, Xiaojuan1,2; Li, Zhibao2
2021-08-12
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume66Issue:8Pages:3012-3019
AbstractIt is essential to develop a new antisolvent technology for soda ash manufacture by the use of sodium sulfate as raw material due to intensive energy consumption for the separation of sodium sulfate from ammonia sulfate-bearing liquor by filtering sodium bicarbonate. Phase diagram data for the Na2SO4-(NH4)(2)SO4-monoethanolamine (MEA)-H2O system was determined and modeled to regress the paired-ion interactions included in the mixed-solvent electrolyte model with good accuracy. It was found that the solubility of Na2SO4 in MEA solution sharply decreases with the concentration of MEA, while the addition of MEA as the solvent largely enhances the solubility of (NH4)(2)SO4 in solution. These findings show that sodium sulfate may be efficiently separated from ammonia sulfate solution with the help of MEA antisolvent technology.
DOI10.1021/acs.jced.1c00133
Language英语
WOS KeywordANHYDROUS SODIUM-CARBONATE ; CRYSTALLIZATION ; MONOETHANOLAMINE ; SOLUBILITY ; ABSORPTION ; MIXTURES
Funding ProjectNational Science Foundation of China[21776279] ; National Science Foundation of China[21978290]
WOS Research AreaThermodynamics ; Chemistry ; Engineering
WOS SubjectThermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
Funding OrganizationNational Science Foundation of China
WOS IDWOS:000685641100007
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/50004
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Binghui; Li, Zhibao
Affiliation1.Univ Chinese Acad Sci, Dept Chem Engn, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
3.Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2G6, Canada
Recommended Citation
GB/T 7714
Li, Binghui,Zhang, Xiaojuan,Li, Zhibao. Phase Diagram for the Na2SO4-(NH4)(2)SO4-MEA-H2O System at Elevated Temperature[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2021,66(8):3012-3019.
APA Li, Binghui,Zhang, Xiaojuan,&Li, Zhibao.(2021).Phase Diagram for the Na2SO4-(NH4)(2)SO4-MEA-H2O System at Elevated Temperature.JOURNAL OF CHEMICAL AND ENGINEERING DATA,66(8),3012-3019.
MLA Li, Binghui,et al."Phase Diagram for the Na2SO4-(NH4)(2)SO4-MEA-H2O System at Elevated Temperature".JOURNAL OF CHEMICAL AND ENGINEERING DATA 66.8(2021):3012-3019.
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