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Magnetic COFs for the adsorptive removal of diclofenac and sulfamethazine from aqueous solution: A

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Magnetic COFs for the adsorptive removal of diclofenac and sulfamethazine from aqueous solution: Adsorption kinetics, isotherms study and DFT calculation
文献类型:期刊
通讯作者:Wang, JL (reprint author), Tsinghua Univ, Energy Sci Bldg, Beijing 100084, Peoples R China.
期刊名称:JOURNAL OF HAZARDOUS MATERIALS影响因子和分区
年:2020
卷:385
ISSN:0304-3894
关键词:Magnetic COFs; Adsorption; Antibiotics; Density functional theory
所属部门:环境学院
摘要:Covalent organic frameworks (COFs) are emerging and promising adsorbents for the adsorptive removal of many types of pollutants. However, most COFs fabricated by various methods are in the form of microcrystalline powders, making them difficult in separation. In this study, magnetic COFs were prepared by a simple impregnation method. The as-prepared samples with Ms = 5.2 emu g(-1) showed a good magnetic separation capability. Additionally, the adsorption performance of magnetic COFs towards anti ...More
Covalent organic frameworks (COFs) are emerging and promising adsorbents for the adsorptive removal of many types of pollutants. However, most COFs fabricated by various methods are in the form of microcrystalline powders, making them difficult in separation. In this study, magnetic COFs were prepared by a simple impregnation method. The as-prepared samples with Ms = 5.2 emu g(-1) showed a good magnetic separation capability. Additionally, the adsorption performance of magnetic COFs towards antibiotics (e.g., diclofenac and sulfamethazine) was also studied. Various adsorption kinetic models (e.g., the pseudo first-order, the pseudo second-order, and mixed-order models) and adsorption isotherm models (e.g., the Freundlich, the Langmuir, and the Sips models) were used to study their adsorption kinetics and isotherms. Furthermore, density functional theory (DFT) was utilized to predict the interaction between adsorbents and adsorbates and to explain the partial adsorption mechanisms. ...Hide

DOI:10.1016/j.jhazmat.2019.121596
百度学术:Magnetic COFs for the adsorptive removal of diclofenac and sulfamethazine from aqueous solution: Adsorption kinetics, isotherms study and DFT calculation
语言:外文
人气指数:1
浏览次数:1
基金:National Natural Science Foundation of ChinaNational Natural Science Foundation of China [51978368]; Program for Changjiang Scholars and Innovative Research Team in UniversityProgram for Changjiang Scholars & Innovative Research Team in University (PCSIRT) [IRT-13026]
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Adsorption of Sr(II) from water by mercerized bacterial cellulose membrane modified with EDTA.Cheng, Rong, Kang, Mi, Zhuang, Shuting, et al. .JOURNAL OF HAZARDOUS MATERIALS. 2019, 364, 645-653.
Potential Capacity of LFG-CDM Project Implementation in Beijing.Xiong, Ying;Liu, Yong;Gao, Min,等.5th International Conference on Waste Management and Technology.2010,65-68.
FACTORS INFLUENCING INTENTION TO FORWARD SHORT INTERNET VIDEOS.Huang, Jinsong;Chen, Rong;Wang, Xia.SOCIAL BEHAVIOR AND PERSONALITY.2012,40(1),5-14.
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