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Solubility of NaHCO3 and NH4HCO3 in the Relevant Media and Prediction of High-Pressure Phase Equilibria for the NH3-CO2-NaCl-H2O System
Zhou, Juan1; Zeng, Yan2; Demopoulos, George P.2; Li, Chunxi1; Li, Zhibao3
2017-12-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume62Issue:12Pages:4401-4410
Abstract

The solubility of NaHCO3 was determined in the NH4+-Na+-CO32--HCO3--Cl--H2O system with the concentration up to 6 mol.kg(-1) by a dynamic method from 283.15 to 333.15 K. It was found that the solubility of NaHCO3 decreases with increasing concentration of Na2CO3, NH4HCO3, or NaCl. A speciation-based model was developed with mixed-solvent electrolyte interaction parameters newly obtained by regressing both the experimental and literature solubility data. The average relative deviations are less than 5.0%. The new model is able to predict the solubility of NaHCO3 at high pressures up to 6.0 MPa for the NH3-CO2-NaCl-H2O system at 313.15 and 323.15 K. This work can provide a theoretical basis for producing Na2CO3 with a better crystal form and higher productivity in the carbonation process.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/acs.jced.7b00790
Indexed BySCI
Language英语
WOS KeywordSolvent Electrolyte Systems ; Na2sio3-center-dot-9h(2)o ; Speciation ; Water
WOS Research AreaThermodynamics ; Chemistry ; Engineering
WOS SubjectThermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
Funding OrganizationNational Natural Science Foundation of China(21476235 ; 21776279 ; U1407112)
WOS IDWOS:000418393800039
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23496
Collection研究所(批量导入)
Corresponding AuthorLi, Zhibao
Affiliation1.Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China
2.McGill Univ, Mat Engn, 3610 Univ St, Montreal, PQ H3A 0C5, Canada
3.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Juan,Zeng, Yan,Demopoulos, George P.,et al. Solubility of NaHCO3 and NH4HCO3 in the Relevant Media and Prediction of High-Pressure Phase Equilibria for the NH3-CO2-NaCl-H2O System[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2017,62(12):4401-4410.
APA Zhou, Juan,Zeng, Yan,Demopoulos, George P.,Li, Chunxi,&Li, Zhibao.(2017).Solubility of NaHCO3 and NH4HCO3 in the Relevant Media and Prediction of High-Pressure Phase Equilibria for the NH3-CO2-NaCl-H2O System.JOURNAL OF CHEMICAL AND ENGINEERING DATA,62(12),4401-4410.
MLA Zhou, Juan,et al."Solubility of NaHCO3 and NH4HCO3 in the Relevant Media and Prediction of High-Pressure Phase Equilibria for the NH3-CO2-NaCl-H2O System".JOURNAL OF CHEMICAL AND ENGINEERING DATA 62.12(2017):4401-4410.
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