The sorption of chloramphenicol on four types of sediment and the effect of coexistence Cu(II) on the sorption were studied. Sorption isotherms and thermodynamic analysis were employed to dispose the experimental sorption data. Experimental results showed that organic matter was the dominant parameter and the coexistence of heavy metal Cu(II) could promote the sorption of chloramphenicol on four tested sediments. The adsorption parameter analysis showed sorption of chloramphenicol on the sediment was not pure distributional effects, not a strong interaction between molecule and surface, but other weak interactions. Thermodynamic parameters values such as ΔG, ΔH and ΔS were all below zero, which indicated that the sorption was a spontaneous and exothermal process.
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Research Article|
September 01 2013
Sorption of chloramphenicol on pond sediments and the effect of coexistence Cu(II)
Qishe Yan;
Qishe Yan
1College of Chemistry & Molecule Engineering, Zhengzhou University, Zhengzhou, 450001, China
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Luyun Zhang;
Luyun Zhang
1College of Chemistry & Molecule Engineering, Zhengzhou University, Zhengzhou, 450001, China
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Meiling Jiang;
Meiling Jiang
1College of Chemistry & Molecule Engineering, Zhengzhou University, Zhengzhou, 450001, China
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Ruiqin Zhang;
Ruiqin Zhang
1College of Chemistry & Molecule Engineering, Zhengzhou University, Zhengzhou, 450001, China
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Hongwen Sun
2Key Laboratory of Environmental Pollution Process and Standard of China Ministry of Education, Nankai University, Tianjin, 300071, China
E-mail: sunhongwen@nankai.edu.cn
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Water Sci Technol (2013) 68 (6): 1251–1257.
Article history
Received:
December 17 2012
Accepted:
April 08 2013
Citation
Qishe Yan, Luyun Zhang, Meiling Jiang, Ruiqin Zhang, Hongwen Sun; Sorption of chloramphenicol on pond sediments and the effect of coexistence Cu(II). Water Sci Technol 1 September 2013; 68 (6): 1251–1257. doi: https://doi.org/10.2166/wst.2013.322
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