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Solubility of Li2CO3 in Na-K-Li-Cl brines from 20 to 90 degrees C
Cheng, Wenting1; Li, Zhibao2; Cheng, Fangqin1
2013-12-01
Source PublicationJOURNAL OF CHEMICAL THERMODYNAMICS
Volume67Issue:0Pages:74-82
AbstractThe solubility of Li2CO3 in Na-K-Li-Cl brines was measured by isothermal dissolution method within the temperature range of 20 to 90 degrees C. It was found the solubility of Li2CO3 in all systems investigated decreased with increasing temperature. In NaCl and KCl solutions, the solubility of Li2CO3 initially increased to a maximum value and then decreased gradually with increasing solution concentration. However, the solubility of Li2CO3 in LiCl solutions decreased with increasing LiCl concentration due to the common ion effect of added Li+. New Pitzer activity coefficient model parameters for the Li+-CO32- ion pair were obtained by using experimental solubility data of Li2CO3 in pure water, and a new chemical model was built with the aid of Aspen Plus platform. The new model was shown to successfully predict the solubility of Li2CO3 in NaCl, KCl, LiCl and mixed NaCl-KCl solutions. Moreover, the new model could aid in analyzing the separation of lithium and magnesium in brines. (c) 2013 Elsevier Ltd. All rights reserved.
KeywordLithium Carbonate Solubility Chemical Modeling Pitzer Activity Coefficient Model
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS KeywordSOLVENT ELECTROLYTE SYSTEMS ; MODELING PHASE-EQUILIBRIA ; LOCAL COMPOSITION MODEL ; EXCESS GIBBS ENERGY ; SALT LAKE ; ELEVATED-TEMPERATURES ; MINERAL SOLUBILITIES ; LIQUID EQUILIBRIUM ; AQUEOUS-SOLUTIONS ; NATURAL-WATERS
WOS Research AreaThermodynamics ; Chemistry
WOS SubjectThermodynamics ; Chemistry, Physical
WOS IDWOS:000325133600010
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13421
Collection研究所(批量导入)
Affiliation1.Shanxi Univ, State Environm Protect Key Lab Efficient Resource, Inst Resources & Environm Engn, Taiyuan 030006, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Cheng, Wenting,Li, Zhibao,Cheng, Fangqin. Solubility of Li2CO3 in Na-K-Li-Cl brines from 20 to 90 degrees C[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2013,67(0):74-82.
APA Cheng, Wenting,Li, Zhibao,&Cheng, Fangqin.(2013).Solubility of Li2CO3 in Na-K-Li-Cl brines from 20 to 90 degrees C.JOURNAL OF CHEMICAL THERMODYNAMICS,67(0),74-82.
MLA Cheng, Wenting,et al."Solubility of Li2CO3 in Na-K-Li-Cl brines from 20 to 90 degrees C".JOURNAL OF CHEMICAL THERMODYNAMICS 67.0(2013):74-82.
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