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- W2012118238 abstract "In this study, polyacrylamide was coated onto Fe3O4 to prepare novel polyacrylamide coated-Fe3O4 magnetic composites (denoted as Fe3O4@PAM). The as-prepared composites were characterized by Fourier transferred infrared spectroscopy, X-ray diffraction, and thermo gravimetric analysis, and the results indicated that polyacrylamide was successfully coated on the surface of Fe3O4. And Fe3O4@PAM composites were applied as adsorbents to remove U(VI) from aqueous solutions and it could be separated by a simple magnetic separation method. The sorption isotherms were well fitted by the Langmuir sorption isotherms, and the maximum sorption capacity of Fe3O4@PAM for U(VI) at pH 5.0 was calculated to be 220.9 mg/g. According to the XPS analysis of Fe3O4@PAM before and after U(VI) sorption, the nitrogen-containing functional groups on the surface of Fe3O4@PAM were responsible for U(VI) sorption. The U(VI) sorbed onto Fe3O4@PAM could be desorbed effectively in acid solutions, and the sorption capacity of regenerated sorbents could still maintain high level even after five cycles. The results showed that the Fe3O4@PAM composites were promising materials for the separation and enrichment of radionuclides from aqueous solution in environmental pollution cleanup." @default.
- W2012118238 created "2016-06-24" @default.
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- W2012118238 date "2014-06-01" @default.
- W2012118238 modified "2023-10-08" @default.
- W2012118238 title "Water-soluble polyacrylamide coated-Fe3O4 magnetic composites for high-efficient enrichment of U(VI) from radioactive wastewater" @default.
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- W2012118238 doi "https://doi.org/10.1016/j.cej.2014.02.101" @default.
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