Adsorption of Chlortetracycline from Water by Rectories<sup>*</sup>

吕国诚; 吴丽梅; 王晓龙; 廖立兵; 王小雨

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Adsorption of Chlortetracycline from Water by Rectories^*

Updated：2026-01-06

- Adsorption of Chlortetracycline from Water by Rectories^*
- Adsorption of Chlortetracycline from Water by Rectories^*
- 中国化学工程学报（英文版） 2012年20卷第5期页码：1003-1007
- Affiliations：
  
  1. School of Materials Sciences and Technology, China University of Geosciences,Beijing,China,100083
  2. School of Engineering and Technology, China University of Geosciences,Beijing,China,100083
- Author bio：
- Funds：
  
  Supported by the Fundamental Research Funds for the Central Universities (2011YXL056);the National Program of Control and Treatment of Water Pollution (2009ZX07424-002)
- DOI：
  中图分类号：
- 纸质出版：2012
- Accepted：
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吕国诚, 吴丽梅, 王晓龙, 等. Adsorption of Chlortetracycline from Water by Rectories^*[J]. 中国化学工程学报（英文版）, 2012,20(5):1003-1007.

[J]. Chinese Journal of Chemical Engineering, 2012, 20(5): 1003-1007.
吕国诚, 吴丽梅, 王晓龙, 等. Adsorption of Chlortetracycline from Water by Rectories^*[J]. 中国化学工程学报（英文版）, 2012,20(5):1003-1007. DOI：

[J]. Chinese Journal of Chemical Engineering, 2012, 20(5): 1003-1007. DOI：

摘要

Abstract

The removal of antibiotics from water by clay minerals has become the focus of research due to their strong adsorptive ability. In this study

adsorption of chlortetracycline (CTC) onto rectories was conducted and the effects of time

concentration

temperature and pH were investigated. Experimental results showed that adsorption equilibrium was reached in 8 h. Based on the Langmuir model

the maximum adsorption capacity of CTC on rectories was 177.7 mg·g

-1

at room temperature. By the study on adsorption dynamics

it is found that the kinetic date fit the pseudo-second-order model well. The adsorption of CTC by rectories is endothermic and the free energy is in the range of 10 to 30 kJ·mol

-1

. The pH value of solution has significant effects on adsorption and the optimal pH is at acidity (pH 2-6). At concentration of 2500 mg·L

-1

the intercalated CTC produces an interlayer space with a height of 1.38 nm

which is 1.12 nm in raw rectories

suggesting that the adsorption occurs between layers of rectories.

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