Efficient Removal of Levofloxacin Hydrochloride from Environment by UiO-66/CoSO4 Composites

doi:10.6023/A18120511

Acta Chim. Sinica ›› 2019, Vol. 77 ›› Issue (5): 434-441.DOI: 10.6023/A18120511 Previous Articles Next Articles

Article

UiO-66/CoSO₄复合材料对环境中盐酸左氧氟沙星的高效去除

朱桂芬, 陈乐田, 程国浩, 赵娟, 杨灿, 张耀宗, 王醒, 樊静

河南师范大学环境学院黄淮水环境与污染防治教育部重点实验室河南省环境污染控制重点实验室新乡 453007

投稿日期:2018-12-25 发布日期:2019-03-20
通讯作者: 朱桂芬, 樊静 E-mail:gfzhu617@163.com;fanjing@htu.cn
基金资助:
国家自然科学基金（Nos.21507023，21876045，21777038），河南省高等学校青年骨干教师培养计划（No.2016GGJS-047）和河南省科技攻关（No.182102310656）资助项目.

Efficient Removal of Levofloxacin Hydrochloride from Environment by UiO-66/CoSO₄ Composites

Zhu Guifen, Chen Letian, Cheng Guohao, Zhao Juan, Yang Can, Zhang Yaozong, Wang Xing, Fan Jing

School of Environment, Henan Normal University, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Xinxiang 453007

Received:2018-12-25 Published:2019-03-20
Contact: 10.6023/A18120511 E-mail:gfzhu617@163.com;fanjing@htu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Nos. 21507023, 21876045 and 21777038), Key Scientific Research Foundation of the Higher Education Institutions of Henan Province (No. 2016GGJS-047) and Scientific and Technological Department of Henan Province (No. 182102310656).

1. Efficient Removal of Levofloxacin Hydrochloride from Environment by UiO-66/CoSO₄ Composites.PDF(794KB)

Abstract

In this work, a newly UiO-66/CoSO₄ composite was prepared by introducing UiO-66 as precursor carrier. The morphology and structure of the presented UiO-66/CoSO₄ composite were characterized by scanning electron microscopy, elemental analysis, specific surface area analysis and X-ray diffraction. The adsorption performance of UiO-66/CoSO₄ towards levofloxacin hydrochloride (LV) in aqueous solution was investigated, and some parameters, such as pH value, temperature, contact time and initial concentration have been optimized. The results showed that the UiO-66/CoSO₄ composite has significant adsorption performance for levofloxacin hydrochloride. Compared with the control material UiO-66, the removal efficiency of the composite towards levofloxacin hydrochloride increased by 20% under the same conditions, which indicated that the properties of the composites have been greatly improved. Within 5 min, 95.3% of levofloxacin hydrochloride can be removed, and the equilibrium adsorption (99.8%) was achieved within 30 min and the adsorption process could be described by pseudo-second-order kinetic model. The adsorption isotherm verified that the maximum adsorption capacity was up to 108.42 mg·g^-1 and fitted well with the Langmuir isotherm model, which indicated that monolayer coverage of levofloxacin hydrochloride was formed on the surface of UiO-66/CoSO₄ composite. Data obtained from thermodynamic study showed that the adsorption process is spontaneous endothermic reaction and the chemical adsorption might play major role to control step. The UiO-66/CoSO₄ composite was easy to prepare with good reusability, and the adsorption efficiency is still higher than 92.2% after five cycles. Additionally, under the optimized condition, the UiO-66/CoSO₄ composite was successfully applied for the removal of levofloxacin hydrochloride from environmental water and soil samples. It was found that above 94.7% of target can be removed by the as-prepared UiO-66/CoSO₄ composite. This result proved that the composite with excellent recognition has been synthesized. The new UiO-66/CoSO₄ composite prepared in this work provided a way to treatment levofloxacin hydrochloride in environment with broad application prospect.

Key words: UiO-66/CoSO₄, levofloxacin hydrochloride, environmental samples, removal

Cite this article

Zhu Guifen, Chen Letian, Cheng Guohao, Zhao Juan, Yang Can, Zhang Yaozong, Wang Xing, Fan Jing. Efficient Removal of Levofloxacin Hydrochloride from Environment by UiO-66/CoSO₄ Composites[J]. Acta Chim. Sinica, 2019, 77(5): 434-441.

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UiO-66/CoSO₄复合材料对环境中盐酸左氧氟沙星的高效去除

Efficient Removal of Levofloxacin Hydrochloride from Environment by UiO-66/CoSO₄ Composites

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UiO-66/CoSO4复合材料对环境中盐酸左氧氟沙星的高效去除