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Sustainable Remedy Waste to Generate SiO 2 Functionalized on Graphene Oxide for Removal of U(VI) Ions

Author

Listed:
  • Mohamed A. Hassanin

    (Nuclear Materials Authority, El Maadi, Cairo P.O. Box 530, Egypt)

  • Sameh H. Negm

    (Nuclear Materials Authority, El Maadi, Cairo P.O. Box 530, Egypt)

  • Mohamed A. Youssef

    (Nuclear Materials Authority, El Maadi, Cairo P.O. Box 530, Egypt)

  • Ahmed K. Sakr

    (Nuclear Materials Authority, El Maadi, Cairo P.O. Box 530, Egypt)

  • Hamed I. Mira

    (Nuclear Materials Authority, El Maadi, Cairo P.O. Box 530, Egypt)

  • Tarek F. Mohammaden

    (Nuclear Materials Authority, El Maadi, Cairo P.O. Box 530, Egypt)

  • Jamelah S. Al-Otaibi

    (Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia)

  • Mohamed Y. Hanfi

    (Nuclear Materials Authority, El Maadi, Cairo P.O. Box 530, Egypt
    Institute of Physics and Technology, Ural Federal University, St. Mira, 19, 620002 Yekaterinburg, Russia)

  • M. I. Sayyed

    (Department of Nuclear Medicine Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University (IAU), P.O. Box 1982, Dammam 31441, Saudi Arabia
    Department of Physics, Faculty of Science, Isra University, Amman 11622, Jordan)

  • Mohamed F. Cheira

    (Nuclear Materials Authority, El Maadi, Cairo P.O. Box 530, Egypt)

Abstract

The Hummer process is applied to generate graphene oxide from carbon stocks’ discharged Zn-C batteries waste. SiO 2 is produced from rice husks through the wet process. Subsequently, SiO 2 reacted with graphene oxide to form silica/graphene oxide (SiO 2 /GO) as a sorbent material. XRD, BET, SEM, EDX, and FTIR were employed to characterize SiO 2 /GO. Factors affecting U(VI) sorption on SiO 2 /GO, including pH, sorption time, a dosage of SiO 2 /GO, U(VI) ions’ concentration, and temperature, were considered. The experimental data consequences indicated that the uptake capacity of SiO 2 /GO towards U(VI) is 145.0 mg/g at a pH value of 4.0. The kinetic calculations match the pseudo second-order model quite well. Moreover, the sorption isotherm is consistent with the Langmuir model. The sorption procedures occur spontaneously and randomly, as well as exothermically. Moreover, SiO 2 /GO has essentially regenerated with a 0.8 M H 2 SO 4 and 1:50 S:L phase ratio after 60 min of agitation time. Lastly, the sorption and elution were employed in seven cycles to check the persistent usage of SiO 2 /GO.

Suggested Citation

  • Mohamed A. Hassanin & Sameh H. Negm & Mohamed A. Youssef & Ahmed K. Sakr & Hamed I. Mira & Tarek F. Mohammaden & Jamelah S. Al-Otaibi & Mohamed Y. Hanfi & M. I. Sayyed & Mohamed F. Cheira, 2022. "Sustainable Remedy Waste to Generate SiO 2 Functionalized on Graphene Oxide for Removal of U(VI) Ions," Sustainability, MDPI, vol. 14(5), pages 1-20, February.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:5:p:2699-:d:758569
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