Highly efficient removal of Cr（Ⅵ）from wastewater via adsorption with novel magnetic Fe3O4@C@MgAl-layered double-hydroxide

Novel magnetic Fe3O4@C@MgAl-layerecl double-hydroxide（LDH） nanoparticles have been successfully prepared by the chemical self-assembly methods.The properties of surface functional groups,crystal structure,magnetism and surface morphology of magnetic nanoparticles were characterized by Fourier transf...

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Bibliographic Details
Published in中国化学快报：英文版 no. 9; pp. 1137 - 1143
Main Author Hui Zhang Fei Huang De-Lei Liu Peng Shi
Format Journal Article
LanguageEnglish
Published 2015
Subjects
Cr（Ⅵ）
Fe3O4
层状双氢氧化物
废水
扫描电子显微镜
最大吸附量
磁性纳米粒子
金属离子吸附剂
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Summary:Novel magnetic Fe3O4@C@MgAl-layerecl double-hydroxide（LDH） nanoparticles have been successfully prepared by the chemical self-assembly methods.The properties of surface functional groups,crystal structure,magnetism and surface morphology of magnetic nanoparticles were characterized by Fourier transform infrared spectroscopy（FT-IR）,X-ray diffraction（XRD）,thermal gravity-differential thermal gravity（TG-DTG）,scanning electron microscopy（SEM）,and transmission electron microscopy（TEM）.The adsorption studies of the novel adsorbent in removing heavy metals Cr（Ⅵ） from waste water showed that the maximum absorption amount of Cr（Ⅵ） was 152.0 mg/g at 40℃ and pH 6.0.The excellent adsorption capacity of the Fe3O4@C@MgAl-LDH nano-absorbents plus their easy separation,environmentally friendly composition and reusability makes them more suitable adsorbents for the removal of metal ions from waste water.
Bibliography:11-2710/O6
Magnetic nanoparticles MgAl-layered double-hydroxide Adsorption Chromium（VI）
Novel magnetic Fe3O4@C@MgAl-layerecl double-hydroxide（LDH） nanoparticles have been successfully prepared by the chemical self-assembly methods.The properties of surface functional groups,crystal structure,magnetism and surface morphology of magnetic nanoparticles were characterized by Fourier transform infrared spectroscopy（FT-IR）,X-ray diffraction（XRD）,thermal gravity-differential thermal gravity（TG-DTG）,scanning electron microscopy（SEM）,and transmission electron microscopy（TEM）.The adsorption studies of the novel adsorbent in removing heavy metals Cr（Ⅵ） from waste water showed that the maximum absorption amount of Cr（Ⅵ） was 152.0 mg/g at 40℃ and pH 6.0.The excellent adsorption capacity of the Fe3O4@C@MgAl-LDH nano-absorbents plus their easy separation,environmentally friendly composition and reusability makes them more suitable adsorbents for the removal of metal ions from waste water.
ISSN:1001-8417
1878-5964