Flowerlike BSA/Zn3(PO4)2/Fe3O4 Magnetic Hybrid Particles: Preparation and Application to Adsorption of Copper Ions
2018
In this work, a novel flowerlike BSA/Zn3(PO4)2/Fe3O4 magnetic hybrid particle is successfully synthesized through a simple and rapid one-step strategy. The kernel is to introduce Fe3O4 nanoparticles in the process of the precipitation and coordination reaction of Zn2+ ions with phosphate radical and BSA. The average diameter of the magnetic hybrid particle is 2.3 μm. The specific surface area is 51.61 m2/g, the average pore size is 15.30 nm. The saturation magnetization is 9.5 emu·g–1. The effects of the dosage of BSA and Fe3O4 nanoparticles on the properties of the magnetic hybrid particles are systematically investigated and optimized. The as-obtained BSA/Zn3(PO4)2/Fe3O4 magnetic hybrid particle is used for the removal of Cu2+ ions. The results reveal that the magnetic hybrid particles present excellent adsorption performance on Cu2+ ions with low concentration. The adsorption isotherms are fitted with the Langmuir equation. The maximum adsorption capacity is 12.56 mg·g–1 at 306 K estimated by the Langm...
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