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[1]周玉新,雷攀,费月秋,等.离子交换树脂吸附稀硫酸中铁离子的热力学和动力学[J].武汉工程大学学报,2012,(9):9-12,74.[doi:103969/jissn16742869201209003]
　ZHOU Yu xin,LEI Pan,FEI Yue qiu,et al.Thermodynamics and kinetics of ion exchange resin adsorption iron ions of dilute sulfuric acid[J].Journal of Wuhan Institute of Technology,2012,(9):9-12,74.[doi:103969/jissn16742869201209003]
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离子交换树脂吸附稀硫酸中铁离子的热力学和动力学(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2012年9期
页码:
9-12,74
栏目:
化学与化学工程
出版日期:
2012-10-10

文章信息/Info

Title:
Thermodynamics and kinetics of ion exchange resin adsorption iron
ions of dilute sulfuric acid
文章编号:
16742869(2012)09000904
作者:
周玉新1; 2 ; 雷攀1; 2; 费月秋1; 2; 潘琴1; 2; 刘祎1; 2
1.武汉工程大学化工与制药学院，湖北 武汉 430074；
2.绿色化工过程教育部重点实验室，湖北 武汉 430074
Author(s):
ZHOU Yuxin1; 2;  LEI Pan1; 2;  FEI Yueqiu1; 2;  PAN Qin1; 2;  LIU Yi1; 2
1.School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430074, China;
2. Key Laboratory for Green Chemical Process of Ministry of Education, Wuhan 430074, China
关键词:
稀硫酸; 吸附; 热力学; 动力学
Keywords:
dilute sulfuric acid;  adsorption;  thermodynamics;  dynamics
分类号:
TQ013
DOI:
103969/jissn16742869201209003
文献标志码:
A
摘要:
采用静态实验法研究了D001树脂吸附铁离子的反应机理，在实验条件下分别用朗格缪尔（Langmiur）和弗伦德利希（Freundlich）等温吸附模型分析了D001树脂对铁离子的吸附热力学过程.结果显示： Langmuir方程有更高的相关性，能够更好地拟合树脂吸附铁离子的过程.热力学函数ΔG<0表明D001树脂吸附铁离子过程能够自发进行；ΔH>0表明离子交换过程为吸热过程，ΔS>0表明吸附过程的熵变是增大的.准二级动力学模型能够很好拟合D001树脂吸附铁离子的过程并且其相关系数在0.99以上，树脂对铁离子的吸附过程主要速率控制过程为颗粒扩散.
Abstract:
The reaction mechanism on adsorption of D001 resin to iron ion was studied with static experimental method. Langmiur and Freundlich adsorption isotherm equation was studied in the experimental condition to analyze the adsorption thermodynamic processes of the D001 resin to iron ion. The results show that langmuir equation has a higher correlation to better fit the resin adsorption process of iron ion. Thermodynamic function ΔG<0 shows that process of D001 resin adsorption iron ion can occur spontaneously, ΔH>0 shows that the ion exchange process is an endothermic process, and ΔS>0 indicats that the entropy change of the adsorption process is increasing. Quasisecond order kinetic model can be well fitting D001 resin adsorption process of the iron ion, and the correlation coefficient is greater than 0.99. The main rate control process of resin adsorption process of the iron ion is particle diffusion.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20120701基金项目：武汉工程大学研究生创新基金资助项目(CX201122 )作者简介：周玉新（1957），男，湖北武汉人，教授,硕士研究生导师.研究方向：化学工程及化工环保.
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