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.

Antzeko izenburuak

• Adsorption kinetics and isotherms. (a) The influence of MB equilibrium concentration on the adsorption capacity of the Fe₃O₄/PS adsorbent, (b & c) present the Freundlich and Sips isotherm models, respectively, for MB adsorption on the Fe₃O₄/PS adsorbent (adsorbent mass of 15 mg, a solution volume of 25 mL, and a contact time of 25 min), (d) Effect of equilibrium concentrations on the adsorption of MB onto the synthesized sorbent, (e) the adsorption isotherm, and (f) Langmuir isotherm C- Sips d- DR e- RP and f Temkin isotherms.
  nork: Tamer S. Saleh (5181146)
  Argitaratua: (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.
  nork: Tamer S. Saleh (5181146)
  Argitaratua: (2025)
• 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.
  nork: Tamer S. Saleh (5181146)
  Argitaratua: (2025)
• (A) Development of Fe₃O₄/PS adsorbent for MB dye removal, (B) Methylene blue dye structure, and (C) Methyl Orange dye structure.
  nork: Tamer S. Saleh (5181146)
  Argitaratua: (2025)
• (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.
  nork: Tamer S. Saleh (5181146)
  Argitaratua: (2025)