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Modeling of glycine solubility in aqueous HCl-MgCl2 system and its application in phase transition of glycine by changing media and supersaturation
Ansari, Ziaul Haque1,2; Zeng, Yan3; Zhang, Yan1; Demopoulos, George P.3; Li, Zhibao1
2017-06-01
Source PublicationJOURNAL OF CRYSTAL GROWTH
ISSN0022-0248
Volume467Pages:116-125
Abstract

The solubility of glycine in HCl and HCl-MgCl2 solutions was measured from 283.15 to 343.15 K and found to increase with temperature and increase linearly with the concentration of HCl. The MSE model integrated in the OLI platform was modified by regressing the experimental and literature solubility data through the adjustment of the middle-range interaction parameters. After parameterization, the model can accurately calculate the solubility with the average absolute deviation lower than 3.5% and thus be able to predict supersaturation of glycine. Crystallization of different polymorphs of glycine in water, HCl, NaOH, MgCl2, and HCl-MgCl2 aqueous solutions was performed. The effects of medium, temperature, supersaturation, and time on the crystallization were investigated. It was found that only in the HCl solution the formation of single a-glycine phase was achieved under all the investigated temperature and holding time. a-glycine or its mixture with c-glycine or C4H18N2O4 center dot HCl was produced in systems other than HCl solution depending on the conditions. (C) 2017 Elsevier B.V. All rights reserved.

KeywordSolubility Transformation Polymorphism Glycine Hydrochloric Acid Magnesium Chloride
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jcrysgro.2017.03.037
Indexed BySCI
Language英语
WOS KeywordPartial Molal Properties ; Gamma-glycine ; Amino-acids ; Transport-properties ; Crystal-structure ; High-pressures ; Activity-coefficients ; Growth ; Polymorphs ; Water
WOS Research AreaCrystallography ; Materials Science ; Physics
WOS SubjectCrystallography ; Materials Science, Multidisciplinary ; Physics, Applied
Funding OrganizationNational Natural Science Foundation of China(21476235 ; U1407112)
WOS IDWOS:000401128400019
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/22533
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, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.McGill Univ, Mat Engn, 3610 Univ St, Montreal, PQ H3A 0C5, Canada
Recommended Citation
GB/T 7714
Ansari, Ziaul Haque,Zeng, Yan,Zhang, Yan,et al. Modeling of glycine solubility in aqueous HCl-MgCl2 system and its application in phase transition of glycine by changing media and supersaturation[J]. JOURNAL OF CRYSTAL GROWTH,2017,467:116-125.
APA Ansari, Ziaul Haque,Zeng, Yan,Zhang, Yan,Demopoulos, George P.,&Li, Zhibao.(2017).Modeling of glycine solubility in aqueous HCl-MgCl2 system and its application in phase transition of glycine by changing media and supersaturation.JOURNAL OF CRYSTAL GROWTH,467,116-125.
MLA Ansari, Ziaul Haque,et al."Modeling of glycine solubility in aqueous HCl-MgCl2 system and its application in phase transition of glycine by changing media and supersaturation".JOURNAL OF CRYSTAL GROWTH 467(2017):116-125.
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