二混蜜中钾在离子交换柱上的吸附性质及动力学

食品科学 ›› 2012, Vol. 33 ›› Issue (21): 43-46.

二混蜜中钾在离子交换柱上的吸附性质及动力学

蔡吉祥1,2，于淑娟1，杨永军2，朱思明1,*

1.华南理工大学轻工与食品学院 2.新疆绿翔糖业有限责任公司

收稿日期:2011-08-22 修回日期:2012-09-19 出版日期:2012-11-15 发布日期:2012-11-09
通讯作者: 蔡吉祥 E-mail:476575214@qq.com
基金资助:
乳品质量安全检测技术研究;中国博士后基金;科技部科技人员服务企业行动项目

Adsorption Properties and Dynamics of Potassium in Mother Liquor B on Ion Exchange Resin

Ji-Xiang CAI

Received:2011-08-22 Revised:2012-09-19 Online:2012-11-15 Published:2012-11-09
Contact: Ji-Xiang CAI E-mail:476575214@qq.com

摘要/Abstract

摘要： 通过考察溶液温度、质量浓度及树脂粒径对K+在树脂上静态交换过程的影响，研究BK001型离子交换树脂对二混蜜中造蜜剂K+的吸附性质及动力学。结果表明：在温度分别为303K和333K时，BK001型离子交换树脂对K+吸附行为符合Langmuir吸附等温方程；交换过程主要受颗粒扩散控制，表观活化能为35.1kJ/mol，反应级数为1.389，表观频率因子为8439min-1。

关键词: 离子交换树脂, 吸附性质, 动力学, 二混蜜, K+

Abstract: Adsorption properties and kinetics for of the removal of K+ from mother liquor B on BK001 type ion exchange resin were investigated by studying the effects of temperature, concentration and resin particle size on K+ static exchange. At 303 K and 333 K, the adsorption behavior of K+ on the resin obeyed Langmuir isothermal adsorption. The exchange process was mainly dominated by particle diffusion; the apparent activation energy was 35.1 kJ/mol, the reaction order was 1.389, and the apparent frequency factor was 8439 min-1.

Key words: ion exchange resin, adsorption property, kinetics, mother liquor B, K+

中图分类号:

蔡吉祥1,2，于淑娟1，杨永军2，朱思明1,*. 二混蜜中钾在离子交换柱上的吸附性质及动力学[J]. 食品科学, 2012, 33(21): 43-46.

Ji-Xiang CAI. Adsorption Properties and Dynamics of Potassium in Mother Liquor B on Ion Exchange Resin[J]. FOOD SCIENCE, 2012, 33(21): 43-46.

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