[1]徐 伟,李 星,尹小军,等.水—巯基乙酸—异辛醇三元体系液液平衡数据的测定与关联[J].南京师范大学学报(工程技术版),2016,16(04):088.[doi:10.3969/j.issn.1672-1292.2016.04.015]
 Xu Wei,Li Xing,Yin Xiaojun,et al.Determination and Correlation of Liquid-Liquid Equilibrium Data forWater-Thioglycolate-Isopropanol Ternary System[J].Journal of Nanjing Normal University(Engineering and Technology),2016,16(04):088.[doi:10.3969/j.issn.1672-1292.2016.04.015]
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水—巯基乙酸—异辛醇三元体系液液平衡数据的测定与关联
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南京师范大学学报(工程技术版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
16卷
期数:
2016年04期
页码:
088
栏目:
化学工程
出版日期:
2016-12-31

文章信息/Info

Title:
Determination and Correlation of Liquid-Liquid Equilibrium Data forWater-Thioglycolate-Isopropanol Ternary System
文章编号:
1672-1292(2016)04-0088-05
作者:
徐 伟李 星尹小军王文彬苏佳伟程苏琴刘 颖林 军
南京师范大学化学与材料科学学院,江苏 南京 210023
Author(s):
Xu WeiLi XingYin XiaojunWang WenbinSu JiaweiCheng SuqinLiu YingLin Jun
School of Chemistry and Materials Science,Nanjing Normal University,Nanjing 210023,China
关键词:
巯基乙酸异辛醇液液平衡
Keywords:
Thioglycolateisopropanolliquid-liquid equilibrium
分类号:
TQ013.1
DOI:
10.3969/j.issn.1672-1292.2016.04.015
文献标志码:
A
摘要:
在温度分别为20 ℃、30 ℃、40 ℃下,常压测定了水—巯基乙酸—异辛醇三元体系的液液平衡数据,得到了三元体系的共轭相组成并绘制出相平衡曲线,确定了30 ℃为最佳萃取温度. 实验数据用UNIQUAC和NRTL模型进行关联,关联值与实验值吻合良好. 求得了溶剂对溶质的选择性系数,验证了以异辛醇为溶剂,采用液液萃取的方法分离巯基乙酸—水体系是完全可行的.
Abstract:
In this paper,the data of the liquid-liquid equilibrium of Water-Thioglycolate-Isopropanol Ternary System are determined at 30 ℃,40 ℃,50 ℃ and ordinary atmospheric pressure. The phase compositions and the phase equilibrium curve of this system are obtained. 30 ℃ is proved to be the best temperature for the extraction process. The experimental data are correlated by using UNIQUAC and NRTL models. The agreement between calculated data and experimental data is satisfactory. The selectivity coefficients of the solvent to solutes are calculated,and the results show that it is entirely feasible to separate Water-Thioglycolate system by using liquid-liquid extraction technique with isopropanol as solvent.

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备注/Memo

备注/Memo:
收稿日期:2016-09-07.
基金项目:江苏省产学研前瞻性联合研究项目(BY2016001-03).
通讯联系人:林军,博士,教授,研究方向:废弃资源综合利用. E-mail:07161@njnu.edu.cn
更新日期/Last Update: 2016-12-31