A nanohybrid of mixed ferrite-polyaniline derivative copolymer for efficient adsorption of lead ions: Design of experiment for optimal condition, kinetic and isotherm study

作者：Alijani Hassan; Beyki Mostafa Hossein; Fazli Yousef; Shariatinia Zahra

来源：Desalination and Water Treatment, 2017, 66: 338-345.

DOI：10.5004/dwt.2017.20196

• Design expert
• Ferrite
• Lead
• Nanocomposite
• Polymer

In this work magnetic polymer nanocomposite was synthesized based on organic acid immobilized MnMgFe2O4 mixed ferrite. For this purpose, magnetic ferrite was prepared through precipitation and calcining at 700 degrees C. After that, the ferrite was further reacted with (3-chloropropyl) triethoxysilane and amino sulfonic acid. Modified magnetic material was applied for preparing copolymer with phenylenediamine. Magnetic polymer nanocomposite was characterized using FT-IR, EDX, XRD, SEM, TEM, VSM, and TGA techniques. Moreover, the nanocomposite was employed as a magnetic recyclable adsorbent for adsorption of lead ions from aqueous solutions. Optimal conditions have been obtained with Box-Behnken design (BBD). Equilibrium was achieved within 10 min and adsorption followed second order kinetic model. Isotherm study revealed that magnetic nanocomposite has maximum adsorption capacity of 330 mg g(-1) and Freundlich model goodly describe adsorption behavior of the sorbent. Adsorbed ions were released with HNO3 solution (0.1 mol L-1) and the sorbent showed good adsorption efficiency after 3 cycle of sorption and desorption.

• 出版日期2017-3