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Solubility Determination and Thermodynamic Modeling for the System NaCl-NH4Cl-Diethanolamine-H2O
Wang, Qiaoxin1,2; Li, Zhibao1
2019-03-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
ISSN0021-9568
Volume64Issue:3Pages:895-904
AbstractIn this work, the solubility behavior of salts NaCl and NH4Cl was investigated in aqueous diethanolamine (DEA) solution by varying both temperature and the solvent composition. DEA has been prevalently used in the postcombustion process to capture CO2, but a limited amount of references can be found pertaining to any solid liquid system containing DEA. It was experimentally determined that the solubility of NaCl decreases, whereas the solubility of NH4Cl increases with the addition of DEA (x'(DEA) = 0-0.2). The solubility of both salts increases if temperature is raised from 283 to 353 K. The common-ion effect was examined for the quaternary system when both salts are present in the solution. By the regression of solubility data with the Mixed Solvent Electrolyte model, we proved that readjusting the middle-range interaction parameters between Cl--DEA and DEAH(+)-Cl- would lower the relative deviation (within 5%) for each proposed ternary system. A comprehensive chemical model was further constructed based on the newly adjusted interaction parameters, provided to further analyze system equilibria, as well as the activity coefficients for aqueous electrolytes.
DOI10.1021/acs.jced.8b00515
Language英语
WOS KeywordPARTIAL MOLAL PROPERTIES ; HIGH-PRESSURES ; EQUILIBRIUM-CONSTANT ; TRANSPORT-PROPERTIES ; AQUEOUS-SOLUTIONS ; CARBON-DIOXIDE ; CO2 ; ELECTROLYTES ; TEMPERATURES ; MONOETHANOLAMINE
Funding ProjectNational Science Foundation of China[21506218] ; National Science Foundation of China[21476235] ; National Science Foundation of China[U1407112]
WOS Research AreaThermodynamics ; Chemistry ; Engineering
WOS SubjectThermodynamics ; Chemistry, Multidisciplinary ; Engineering, Chemical
Funding OrganizationNational Science Foundation of China
WOS IDWOS:000461537300005
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28316
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Zhibao
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Dept Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Qiaoxin,Li, Zhibao. Solubility Determination and Thermodynamic Modeling for the System NaCl-NH4Cl-Diethanolamine-H2O[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2019,64(3):895-904.
APA Wang, Qiaoxin,&Li, Zhibao.(2019).Solubility Determination and Thermodynamic Modeling for the System NaCl-NH4Cl-Diethanolamine-H2O.JOURNAL OF CHEMICAL AND ENGINEERING DATA,64(3),895-904.
MLA Wang, Qiaoxin,et al."Solubility Determination and Thermodynamic Modeling for the System NaCl-NH4Cl-Diethanolamine-H2O".JOURNAL OF CHEMICAL AND ENGINEERING DATA 64.3(2019):895-904.
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