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张佳琪, 陈亚君, 王风贺, 赵斌. 膨润土对盐酸四环素的吸附性能[J]. 环境工程学报, 2016, 10(9): 4808-4814. doi: 10.12030/j.cjee.201504140
引用本文: 张佳琪, 陈亚君, 王风贺, 赵斌. 膨润土对盐酸四环素的吸附性能[J]. 环境工程学报, 2016, 10(9): 4808-4814. doi: 10.12030/j.cjee.201504140
shu
ZHANG Jiaqi, CHEN Yajun, WANG Fenghe, ZHAO Bin. Adsorption characteristics of tetracycline hydrochloride onto bentonite[J]. Chinese Journal of Environmental Engineering, 2016, 10(9): 4808-4814. doi: 10.12030/j.cjee.201504140
Citation: ZHANG Jiaqi, CHEN Yajun, WANG Fenghe, ZHAO Bin. Adsorption characteristics of tetracycline hydrochloride onto bentonite[J]. Chinese Journal of Environmental Engineering, 2016, 10(9): 4808-4814. doi: 10.12030/j.cjee.201504140
shu

膨润土对盐酸四环素的吸附性能

  • 1.

    南京师范大学环境学院, 南京 210023

  • 2.

    江苏省物质循环与污染控制重点实验室, 南京 210023

  • 3.

    江苏省地理信息资源开发与利用协同创新中心, 南京 210023

  • 基金项目:

    国家自然科学基金资助项目（41473071）

  • 中图分类号: X131.2

Adsorption characteristics of tetracycline hydrochloride onto bentonite

  • 1.

    School of Environment, Nanjing Normal University, Nanjing 210023, China

  • 2.

    Jiangsu Key Laboratory of Material Cycle and Pollution Control, Nanjing 210023, China

  • 3.

    Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, China

  • Fund Project:

  • 摘要: 研究了初始投加量、吸附时间、吸附温度、振荡频率以及溶液pH值等不同条件下，膨润土对水溶液中盐酸四环素的吸附特性，并对其吸附机理进行了解释。研究结果表明，膨润土对盐酸四环素的吸附可在2 h达到吸附平衡，最佳吸附温度为35℃、最佳振荡频率为180 r·min-1，pH值的升高有利于膨润土对盐酸四环素的吸附。由膨润土对盐酸四环素的吸附动力学可知，该吸附过程符合准二级动力学模型。
    Abstract: The influences of bentonite dosage, adsorption time, adsorption temperature, oscillating frequency, and solution pH on the adsorption performance of tetracycline hydrochloride onto bentonite were extensively investigated, and an adsorption mechanism developed. The results indicated that tetracycline hydrochloride reached its adsorption equilibrium after 2 h, and that the ideal adsorption temperature was 35℃ with an optimal oscillating frequency of 180 r·min-1. The adsorptive capacity of bentonite for tetracycline hydrochloride increased with increasing solution pH. Analysis of the adsorption dynamics indicated that the pseudo-second-order model fit the adsorption of bentonite quite well.
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  • 收稿日期:  2015-06-30
  • 刊出日期:  2016-09-10
张佳琪, 陈亚君, 王风贺, 赵斌. 膨润土对盐酸四环素的吸附性能[J]. 环境工程学报, 2016, 10(9): 4808-4814. doi: 10.12030/j.cjee.201504140
引用本文: 张佳琪, 陈亚君, 王风贺, 赵斌. 膨润土对盐酸四环素的吸附性能[J]. 环境工程学报, 2016, 10(9): 4808-4814. doi: 10.12030/j.cjee.201504140
shu
ZHANG Jiaqi, CHEN Yajun, WANG Fenghe, ZHAO Bin. Adsorption characteristics of tetracycline hydrochloride onto bentonite[J]. Chinese Journal of Environmental Engineering, 2016, 10(9): 4808-4814. doi: 10.12030/j.cjee.201504140
Citation: ZHANG Jiaqi, CHEN Yajun, WANG Fenghe, ZHAO Bin. Adsorption characteristics of tetracycline hydrochloride onto bentonite[J]. Chinese Journal of Environmental Engineering, 2016, 10(9): 4808-4814. doi: 10.12030/j.cjee.201504140
shu

膨润土对盐酸四环素的吸附性能

  • 1.  南京师范大学环境学院, 南京 210023
  • 2.  江苏省物质循环与污染控制重点实验室, 南京 210023
  • 3.  江苏省地理信息资源开发与利用协同创新中心, 南京 210023
  • 收稿日期:  2015-06-30
基金项目:

国家自然科学基金资助项目（41473071）

摘要: 研究了初始投加量、吸附时间、吸附温度、振荡频率以及溶液pH值等不同条件下，膨润土对水溶液中盐酸四环素的吸附特性，并对其吸附机理进行了解释。研究结果表明，膨润土对盐酸四环素的吸附可在2 h达到吸附平衡，最佳吸附温度为35℃、最佳振荡频率为180 r·min-1，pH值的升高有利于膨润土对盐酸四环素的吸附。由膨润土对盐酸四环素的吸附动力学可知，该吸附过程符合准二级动力学模型。

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