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- W2801881129 abstract "An adsorbent, which is easy to be separated and reused after adsorption, is very important for the removal of pollutants in aqueous solution. Hence, a novel nanofibrous sandwich structured adsorbent of silica nanofiber/magnetite nanoparticles/porous silica (SNF/MNP/PS) was designed and synthesized for the first time. The magnetite nanoparticles with diameter less than 10 nm were evenly distributed on the surface of silica nanofiber, which was subsequently fully covered by a layer of porous silica. The novel adsorbent was proved possessing good adsorption capacity for both methylene blue (MB) and Pb (II) ion (Pb2+), and the adsorption equilibrium could be well described by the Langmuir-isotherm model with the maximum adsorption capacity of 103.1 mg/g for MB and 243.9 mg/g for Pb2+ at 288 K. Moreover, in MB-Pb2+ mixed system the measured adsorption capacity reached 74.5 mg/g for MB and 202.4 mg/g for Pb2+, respectively. The saturated adsorbent could be readily magnetically separated from the solution and then efficiently regenerated by heterogeneous Fenton-like reaction (for MB) or acidic desorption process (for Pb2+), respectively. After 5 cycles of adsorption-regeneration, the adsorption capacity of the reused adsorbent still reached 81.0% (for MB) and 70.9% (for Pb2+) of the initial value. The SNF/MNP/PS behaves good adsorption properties for different types of pollutants, high magnetic recoverability and regeneration efficiency, which make it applicable to different contaminants removal." @default.
- W2801881129 created "2018-05-17" @default.
- W2801881129 creator A5003042870 @default.
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- W2801881129 date "2018-07-01" @default.
- W2801881129 modified "2023-10-15" @default.
- W2801881129 title "Fabrication of novel sandwich nanocomposite as an efficient and regenerable adsorbent for methylene blue and Pb (II) ion removal" @default.
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- W2801881129 doi "https://doi.org/10.1016/j.jenvman.2018.04.082" @default.
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- W2801881129 hasPublicationYear "2018" @default.
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