Implementation of magnetic Fe3O4@ZIF-8 nanocomposite to activate sodium percarbonate for highly effective degradation of organic compound in aqueous solution

Saeed Sajjadi, Alireza Khataee*, Reza Darvishi Cheshmeh Soltani, Nafiseh Bagheri, Afzal Karimi, Amirali Ebadi Fard Azar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

67 Citations (Scopus)

Abstract

Here, as-synthesized Fe3O4 nanoparticles were incorporated into the zeolitic imidazolate framework (ZIF-8) lattice to activate sodium percarbonate (SPC) for degradation of methylene blue (MB). The reaction rate constant of Fe3O4@ZIF-8/SPC process (0.0632 min−1) at acidic conditions (pH = 3) was more than six times that of the Fe3O4/SPC system (0.009 min−1). Decreasing the solute concentration, along with increasing SPC concentration and Fe3O4@ZIF-8 nanocomposite (NC) dosage, favored the catalytic degradation of MB. The Fe3O4@ZIF-8 NC after fifteen consecutive treatment processes showed the excellent stability with a negligible drop in the efficiency of the system (<10%). The reaction pathway was obtained via GC–MS analysis.

Original languageEnglish
Pages (from-to)406-415
Number of pages10
JournalJournal of Industrial and Engineering Chemistry
Volume68
DOIs
Publication statusPublished - 25 Dec 2018
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2018 The Korean Society of Industrial and Engineering Chemistry

Keywords

  • Chemical oxidation
  • Magnetite nanostructures
  • Solid hydrogen peroxide
  • Textile dye
  • Zeolitic imidazolate framework

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