Solubility of Li2CO3 in Na-K-Li-Cl brines from 20 to 90 degrees C

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	Solubility of Li2CO3 in Na-K-Li-Cl brines from 20 to 90 degrees C
	Cheng, Wenting 1; Li, Zhibao 2; Cheng, Fangqin 1
刊名	JOURNAL OF CHEMICAL THERMODYNAMICS
	2013-12-01
卷号	67 期号:0 页码:74-82
关键词	Lithium carbonate Solubility Chemical modeling Pitzer activity coefficient model
英文摘要	The 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.
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Thermodynamics ; Chemistry, Physical
研究领域[WOS]	Thermodynamics ; Chemistry
关键词[WOS]	SOLVENT ELECTROLYTE SYSTEMS ; MODELING PHASE-EQUILIBRIA ; LOCAL COMPOSITION MODEL ; EXCESS GIBBS ENERGY ; SALT LAKE ; ELEVATED-TEMPERATURES ; MINERAL SOLUBILITIES ; LIQUID EQUILIBRIUM ; AQUEOUS-SOLUTIONS ; NATURAL-WATERS
收录类别	SCI
语种	英语
WOS记录号	WOS:000325133600010
公开日期	2015-05-27
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/13421]
专题	过程工程研究所_研究所（批量导入）
作者单位	1.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
推荐引用方式 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.