Investigation of the MB adsorption by PS and PS/Fe₃O₄ composites. (a) FTIR spectra of PS powder before and after MB adsorption and (b) FTIR spectra of MB before and after treatment with Fe₃O₄/PS composites.

Geahča maid

• (a) UV-vis spectra of 25 mg/L of MB solution before and after treatment with Fe₃O₄, PS powder, and different Fe₃O₄/PS composites, and (b) the effect of the type of adsorbent on the removal efficiency.
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)
• EDX of (a) PS powder, (b) 5% Fe₃O₄/PS composite, (c) 10% Fe₃O₄/PS composite, (d) 20% Fe₃O₄/PS composite, and (e) 30% Fe₃O₄/PS composite.
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)
• SEM image of (a) PS powder, (b) 5% Fe₃O₄/PS composite, (c) 10% Fe₃O₄/PS composite, (d) 20% Fe₃O₄/PS composite, and (e) 30% Fe₃O₄/PS composite.
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)
• Real sample application. (a) Reusability studies of 100 mg of Fe₃O₄/PS composites in terms of removal efficiency changes for the capturing properties of 15 mg/L of MB after five regeneration/reuse cycles, (b) Selectivity of Fe₃O₄/PS composite toward MB in the presence of the MO ionic dye, and (c) monitoring of MB in industrial wastewater samples.
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)
• (A) Development of Fe₃O₄/PS adsorbent for MB dye removal, (B) Methylene blue dye structure, and (C) Methyl Orange dye structure.
  Dahkki: Tamer S. Saleh (5181146)
  Almmustuhtton: (2025)