A novel magnetic polystyrene (PS) trioctylamine (TOA) microsphere (Fe₃O₄/PS/TOA) adsorbent was synthesized by permeation and swelling on porous polystyrene microsphere matrix with a crosslinking degree of 0.5% and applied for removal of simulated radioactive element Ce³⁺. The morphology, composition and magnetic properties were characterized by SEM, FTIR, TG and VSM. The saturation magnetization of the microspheres enhanced significantly with the increase of the times of penetration-deposition, reached to saturation point of 21.72 emu/g. In addition, the adsorption kinetics showed that the adsorption capacity was 39.7 mg/g, isothermal studies indicated that the equilibrium isotherm was more suitable for the Langmuir model.

通过在交联度为0.5％的多孔聚苯乙烯微球基体上渗透和溶胀合成了新型磁性聚苯乙烯三辛胺（TOA）微球（Fe ₃ O ₄ / PS / TOA）吸附剂，并用于去除模拟放射性元素Ce ³⁺。用SEM，FTIR，TG和VSM表征了形貌，组成和磁性能。随着渗透沉积时间的增加，微球的饱和磁化强度显着增强，达到21.72 emu / g的饱和点。此外，吸附动力学表明吸附容量为39.7 mg / g，等温研究表明平衡等温线更适合Langmuir模型。