Using Iron-copper Nanocomposites Prepared by Peanut Vine Extracts for the Removal of Pefloxacin and Enrofloxacin from an Aqueous Solution: Isotherms, Kinetics, and Mechanism

IF 1.4 Q3 CHEMISTRY, MULTIDISCIPLINARY Physical Chemistry Research Pub Date : 2021-06-01 DOI:10.22036/PCR.2021.246397.1825
Yuanyuan Niu, Xiuli Han, Chun Chang, Junying Chen
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引用次数: 1

Abstract

Herein, A facile and green approach was employed to fabricate iron-copper nanocomposites (ICNCs) using peanut vine extracts, and the ICNCs were used for the removal of pefloxacin (PFX) and enrofloxacin (ENR) from aqueous solution. Following this, ICNCs were comprehensively characterized by BET, XPS, SEM, FT-IR and EDS. The equilibrium adsorption data of PFX and ENR on ICNCs were well described by Langmuir and Sips isotherm models, and thermodynamics parameters revealed the spontaneous and endothermic nature of PFX and ENR adsorption processes. Kinetic data were best fitted by pseudo-second-order model. Hydrogen bonding, π-π and n-π electron-donor-acceptor interaction, complexation and electrostatic interaction were the main forces in adsorption processes of ICNCs. The maximum monolayer adsorption capacities of ICNCs for PFX and ENR were 240.70 and 195.97 mg/g at 298 K, respectively, indicating that ICNCs is a promising adsorbent for PFX or ENR removal in wastewater treatment.
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花生藤提取物制备的铁-铜纳米复合物从水溶液中去除培氟沙星和恩诺沙星:等温、动力学和机理
本文采用一种简单而绿色的方法,利用花生藤提取物制备了铁铜纳米复合材料(ICNCs),并将其用于去除水溶液中的培氟沙星(PFX)和恩诺沙星(ENR)。随后,通过BET、XPS、SEM、FT-IR和EDS对ICNCs进行了综合表征。Langmuir和Sips等温线模型很好地描述了PFX和ENR在ICNCs上的平衡吸附数据,热力学参数揭示了PFX与ENR吸附过程的自发和吸热性质。动力学数据最好用拟二阶模型拟合。氢键、π-π和n-π电子供体-受体相互作用、络合作用和静电相互作用是ICNCs吸附过程中的主要作用力。在298K下,ICNCs对PFX和ENR的最大单层吸附容量分别为240.70和195.97mg/g,表明ICNCs是一种很有前途的废水处理中去除PFX或ENR的吸附剂。
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来源期刊
Physical Chemistry Research
Physical Chemistry Research CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
2.70
自引率
8.30%
发文量
18
期刊介绍: The motivation for this new journal is the tremendous increasing of useful articles in the field of Physical Chemistry and the related subjects in recent years, and the need of communication between Physical Chemists, Physicists and Biophysicists. We attempt to establish this fruitful communication and quick publication. High quality original papers in English dealing with experimental, theoretical and applied research related to physics and chemistry are welcomed. This journal accepts your report for publication as a regular article, review, and Letter. Review articles discussing specific areas of physical chemistry of current chemical or physical importance are also published. Subjects of Interest: Thermodynamics, Statistical Mechanics, Statistical Thermodynamics, Molecular Spectroscopy, Quantum Chemistry, Computational Chemistry, Physical Chemistry of Life Sciences, Surface Chemistry, Catalysis, Physical Chemistry of Electrochemistry, Kinetics, Nanochemistry and Nanophysics, Liquid Crystals, Ionic Liquid, Photochemistry, Experimental article of Physical chemistry. Mathematical Chemistry.
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