[1]金春英,林金清.水-异丁醇二元体系溶解度和液液相平衡[J].华侨大学学报(自然科学版),2014,35(1):57-60.[doi:10.11830/ISSN.1000-5013.2014.01.0057]
　JIN Chun-ying,LIN Jin-qing.Solubility and Liquid-Liquid Equilibrium on the Binary System of Water-Isobutanol[J].Journal of Huaqiao University(Natural Science),2014,35(1):57-60.[doi:10.11830/ISSN.1000-5013.2014.01.0057]
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水-异丁醇二元体系溶解度和液液相平衡()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第35卷
期数:
2014年第1期
页码:
57-60
栏目:
出版日期:
2014-01-20

文章信息/Info

Title:
Solubility and Liquid-Liquid Equilibrium on the Binary System of Water-Isobutanol
文章编号:
1000-5013(2014)01-0057-04
作者:
金春英1;  林金清2
1. 华侨大学 化工学院, 福建 厦门 361021; 2. 华侨大学 材料科学与工程学院, 福建 厦门 361021
Author(s):
JIN Chun-ying1;  LIN Jin-qing2
1. College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; 2. College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, China
关键词:
异丁醇;  二元体系;  液液相平衡;  非随机(局部)双液体模型;  遗传算法
Keywords:
isobutanol;  binary system;  liquid-liquid equilibrium;  non-random(regional)two liquid model;  genetic algorithm
分类号:
TQ028.4
DOI:
10.11830/ISSN.1000-5013.2014.01.0057
文献标志码:
A
摘要:
在常压,温度为25~60 ℃条件下,采用浊点法测定水-异丁醇二元体系的溶解度和液液相平衡数据,并用非随机(局部)双液体(NRTL)模型进行关联计算,考察温度对模型参数的影响.结果表明:当该二元体系的模型参数均与温度成线性关系时,关联精度最高,最大相对误差为0.22%,平均相对误差为0.09%;而当模型参数均与温度无关时,最大相对误差为0.69%,平均相对误差为0.51%,也能满足关联精度要求.用文献报道的,从二元汽液相平衡数据关联得到的模型参数,所预测的二元液液相平衡关系仍存在较大的偏差,最大相对误差为6
Abstract:
In the paper, the data of solubility and liquid-liquid equilibrium(LLE)on the binary system of water-isobutanol were determined with cloud point method. The operation pressures were the atmosphere, working temperature was between 25 degrees centigrade to 60 degrees centigrade. The relationship were calculated with non-random(regional)two liquid(NRTL)model. The effect of temperature on the models parameters were analyzed. The results showed when linear relationship was existed between the temperature and the binary system model parameters, there were the highest correlation accuracy, the maximum relative error was 0.22%, the average was 0.09%. However, when the parameters were independent of temperature, its precision is well enough to meet the requirement. Two errors were 0.69% and 0.51% respectively. Contrarily, when the binary vapor-liquid equilibrium deduced parameters were quoted from the reference, the calculation by NRTL model wasn’t ideal. Under such conditions, the maximum relative error was 6.14%, the average was 4.87%. Indicating the interaction force of the binary-component in vapor-liquid at boiling point is significantly different from that in liquid-liquid at 30-60 ℃.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2013-04-08
通信作者: 金春英(1976-),女,实验师,主要从事相平衡热力学及其应用的研究.E-mail:jcying@hqu.edu.cn.
基金项目: 国家自然科学基金资助项目(20776057, 21246008); 福建省自然科学基金资助项目(2011J01048); 华侨大学科研基金资助项目(07X0144)
更新日期/Last Update: 2014-01-20