Decontamination of tetracycline by thiourea-dioxide–reduced magnetic graphene oxide: Effects of pH, ionic strength, and humic acid concentration

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成果类型：

期刊论文

作者：

Yang, Yuanxiu;Hu, Xinjiang*;Zhao, Yunlin;Cui, Lihua*;Huang, Zhujian;...

通讯作者：

Hu, Xinjiang;Cui, Lihua

作者机构：

[Xu, Jiawen; Hu, Xinjiang; Cui, Lihua; Yang, Yuanxiu; Huang, Zhujian; Long, Jianliang; Wu, Cuiyu; Li, Wenwei; Deng, Jianbin] South China Agr Univ, Coll Nat Resources & Environm, Guangzhou 510642, Guangdong, Peoples R China.

[Hu, Xinjiang; Zhao, Yunlin] Cent South Univ Forestry & Technol, Coll Environm Sci & Engn, Changsha 410004, Hunan, Peoples R China.

[Hu, Xinjiang; Zhao, Yunlin] Cent South Univ Forestry & Technol, Fac Life Sci & Technol, Changsha 410004, Hunan, Peoples R China.

通讯机构：

[Hu, XJ; Cui, LH] S

South China Agr Univ, Coll Nat Resources & Environm, Guangzhou 510642, Guangdong, Peoples R China.

语种：

英文

关键词：

Adsorption isotherms;Biological materials;Decontamination;Dyes;Graphene;Ionic strength;Organic acids;pH effects;Sodium chloride;Solutions;Thioureas;Adsorption capacities;Aquatic environments;Chemical interactions;Graphene oxide nanosheets;Langmuir isotherm models;Tetracycline;Thermodynamic parameter;Thiourea dioxide;Adsorption;humic acid;oxide;tetracycline;thiourea;adsorption;adsorption kinetics;aqueous solution;Article;decomposition;desorption;enthalpy;entropy;hydrophobicity;hysteresis;infrared spectroscopy;ionic strength;liquid chromatography-mass spectrometry;magnetic field;molecular weight;pH;priority journal;reduction (chemistry);scanning electron microscopy;surface area;surface property;temperature sensitivity;thermodynamics;thermogravimetry;thermostability;transmission electron microscopy;waste management;X ray diffraction

期刊：

Journal of Colloid and Interface Science

ISSN：

0021-9797

年：

2017

卷：

495

页码：

68-77

DOI：

10.1016/j.jcis.2017.01.075

基金类别：

This study was financially supported by the National Natural Science Foundation of China (Grant No. 51608208, 51509093, and 41271245), the Guangdong Natural Science Foundation (Grant No. 2016A030310246 and 2016A030310456), the Science and Technology Planning Project of Hunan Province (Grant No. 2016TP2007 and 2016TP1014), the Engineering Research Center for Wastewater Ecological Treatment and Water-body Remediation of Guangdong Higher Education Institutes (Grant No. 2012gczxA1004), the Project of Science and Technology of Guangdong Province (Grant No. 2014B020206001), the Project of Science Technology and Innovation of Water Resources Department of Duangdong Province (2015-15),and the Project of Guangzhou Science Technology and Innovation Commission (156100027).

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院系归属：

生命科学与技术学院

环境科学与工程学院

摘要：

Thiourea-dioxide–reduced magnetic graphene oxide (TDMGO) was successfully prepared as an efficient adsorbent for the removal of tetracycline (TC) from aqueous solutions via strong adsorptive interactions. The composite was characterized by SEM, TEM, EDS, TGA, FT-IR, XPS, XRD and VSM. The effects of variables such as the pH, TC concentration, and temperature were successfully analyzed. The kinetics and isothermal parameters were described well by pseudo-second-order and Langmuir isotherm models, respectively, and the maximum adsorption capacity...

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Decontamination of tetracycline by thiourea-dioxide–reduced magnetic graphene oxide: Effects of pH, ionic strength, and humic acid concentration

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