期刊名称：IOP Conference Series: Earth and Environmental Science
印刷版ISSN：1755-1307
电子版ISSN：1755-1315
出版年度：2018
卷号：199
期号：5
页码：052042
DOI：10.1088/1755-1315/199/5/052042
语种：English
出版社：IOP Publishing
摘要：The novel recyclable and biodegradable absorbents NH2-Fe2O3 and NH2-Fe2O3/oxidation-activated carbon (NH2-Fe2O3/OAC) with great physical properties and high adsorption for uptake heavy metal ions were synthesized in this work. The NH2-Fe2O3 samples were prepared via one-pot hydrothermal methods, typically, FeCl3 6H2O, ethylene glycol and sodium acetate anhydrous were directly dissolved under stirring, followed by x mL of DETA and 0.1 g of SDS at room temperature (x = 0.5, 1, 2, 3, 4 and 5 mL). The as-prepared NH2-Fe2O3 were added into the mixture of oxidation-activated carbon, followed by the cation surfactant CTAB. After reflux condensation, the composites were washed, dried and labeled name NH2-Fe2O3/OAC. Systematically characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transform infrared spectra (FTIR) and X-ray diffraction (XRD), physicochemical properties were all indicated obviously in this paper. The high adsorption rates of the adsorbents achieved over 88.11 % and 98.25 % towards Pb(II). In the ternary solution, the studied heavy metals revealed selective removal sequence: Pb(II) > Cu(II) > Cd(II).
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