Effect of adsorbent dose and pH on the removal efficacy. (a) UV-vis spectra of 25 mg/L of MB solution before and after treatment with different doses of Fe₃O₄/PS composites (from 4 mg to 40 mg) at 25 °C for 15 min, (b) the relationship between the adsorbent dose and the removal efficiency of MB, and (c) the effect of the pH on the removal efficiency.

Eitemau Tebyg

• (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.
  gan: Tamer S. Saleh (5181146)
  Cyhoeddwyd: (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.
  gan: Tamer S. Saleh (5181146)
  Cyhoeddwyd: (2025)
• (A) Development of Fe₃O₄/PS adsorbent for MB dye removal, (B) Methylene blue dye structure, and (C) Methyl Orange dye structure.
  gan: Tamer S. Saleh (5181146)
  Cyhoeddwyd: (2025)
• The factors affecting the adsorption. (a) Effect of contact time on MB removal efficiency by the Fe₃O₄/PS adsorbent. Part (b) the changes in the adsorption capacity of MB over time at pH 7.
  gan: Tamer S. Saleh (5181146)
  Cyhoeddwyd: (2025)
• 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.
  gan: Tamer S. Saleh (5181146)
  Cyhoeddwyd: (2025)