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Tetracycline absorbed onto nitrilotriacetic acid-functionalized magnetic graphene oxide: Influencing factors and uptake mechanism

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成果类型:
期刊论文
作者:
Li, Mei-fang;Liu, Yun-guo*;Zeng, Guang-ming;Liu, Shao-bo;Hu, Xin-jiang;...
通讯作者:
Liu, Yun-guo
作者机构:
[Jiang, Lu-hua; Liu, Yun-guo; Cai, Xiao-xi; Tan, Xiao-fei; Zeng, Guang-ming; Li, Mei-fang; Yan, Zhi-li] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.
[Jiang, Lu-hua; Liu, Yun-guo; Cai, Xiao-xi; Tan, Xiao-fei; Zeng, Guang-ming; Li, Mei-fang; Yan, Zhi-li] Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China.
[Liu, Shao-bo] Cent S Univ, Sch Met & Environm, Changsha 410083, Peoples R China.
[Hu, Xin-jiang] Cent South Univ Forestry & Technol, Coll Environm Sci & Engn, Changsha 410004, Hunan, Peoples R China.
[Hu, Xin-jiang] South China Agr Univ, Coll Nat Resources & Environm, Guangzhou 510642, Guangdong, Peoples R China.
通讯机构:
[Liu, Yun-guo] H
Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.
语种:
英文
关键词:
Adsorbents;Adsorption;Bond strength (chemical);Graphene;Hydrogen bonds;Ionic strength;Magnetism;Nanostructured materials;Pollution control;Solutions;Toxic materials;Adsorption mechanism;Back ground electrolyte;Graphene oxides;Nitrilotriacetic acid;Tetracycline;Gas adsorption;graphene oxide;nitrilotriacetic acid;tetracycline;graphite;magnetite nanoparticle;nanocomposite;nitrilotriacetic acid;oxide;sodium chloride;tetracycline;waste water;water pollutant;adsorption;amidation;Article;controlled study;desorption;hydrogen bond;infrared spectroscopy;ionic strength;isotherm;magnetic field;pH;priority journal;Raman spectrometry;scanning electron microscopy;surface property;transmission electron microscopy;X ray diffraction;zeta potential;chemistry;human;isolation and purification;kinetics;osmolarity;procedures;recycling;temperature;thermodynamics;ultrastructure;waste water;water management;water pollutant;Adsorption;Equipment Reuse;Graphite;Humans;Hydrogen Bonding;Hydrogen-Ion Concentration;Kinetics;Magnetite Nanoparticles;Nanocomposites;Nitrilotriacetic Acid;Osmolar Concentration;Oxides;Sodium Chloride;Temperature;Tetracycline;Thermodynamics;Waste Water;Water Pollutants, Chemical;Water Purification
期刊:
Journal of Colloid and Interface Science
ISSN:
0021-9797
年:
2017
卷:
485
页码:
269-279
基金类别:
This research was financially supported from the National Natural Science Foundation of China (Grant Nos. 51609268 , 51108167 , 51478470 and 51608208 ), the Guangdong Natural Science Foundation (Grants No. 2016A030310246 ), and the Hunan Provincial Innovation Foundation for Postgraduate (Grant Nos. CX2015B090 and CX2016B135 ).
机构署名:
本校为其他机构
院系归属:
环境科学与工程学院
摘要:
A novel magnetic nanomaterial was synthesized by grafting nitrilotriacetic acid to magnetic graphene oxide (NDMGO), which was applied as an adsorbent for removing tetracycline (TC) from aqueous solutions. The nanomaterial was characterized using TG-DTA, SEM, TEM, XRD, VSM, XPS, Raman, BET surface area and zeta potential measurements. Several experimental conditions (solution pH, adsorption time, temperature, ionic strength and foreign ions) affecting the adsorption process were investigated. The results showed that the TC adsorption capacity co...

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