Adsorptive removal of Pb(II) metal from aqueous medium using biogenically synthesized and magnetically recoverable core-shell structured AM@Cu/Fe3O4 nano composite

被引：12
作者：
Deepa, K. [1 ]
Prasad, Cheera [1 ]
Jyothi, N. V. V. [1 ]
Naushad, Mu [2 ]
Rajendran, Saravanan [3 ]
Karlapudi, S. [1 ]
Kumar, S. Himagirish [1 ]
机构：
[1] SV Univ, Dept Chem, Tirupati, Andhra Prades, India
[2] King Saud Univ, Coll Sci, Dept Chem, Bld 5, Riyadh 11451, Saudi Arabia
[3] Univ Tarapaca, EUDIM, Avda Gen Velasquez 1775, Arica, Chile
来源：
DESALINATION AND WATER TREATMENT | 2018年 / 111卷
关键词：
Nano composite; Leaves extract; Biogenic; Toxic metal; Adsorption; INSPIRED GREEN SYNTHESIS; BIMETALLIC NANOPARTICLES; EFFICIENT REMOVAL; CU/FE3O4; NANOPARTICLES; ACTIVATED CARBON; DYE DEGRADATION; LEAVES EXTRACT; ORGANIC-DYES; TOXIC PB2+; LEAD IONS;
D O I：
10.5004/dwt.2018.22200
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Herein, we have reported an eco-friendly and facile scheme for the synthesis of copper nano particles supported iron oxide magnetic nano particles(Cu/Fe3O4 MNPs) using the extract of Aeglemarmelos (AM) leaves as a reducing and capping agent. The synthesized material (AM@Cu/Fe3O4 nano composite) was characterized by various techniques. The results showed that AM@Cu/Fe3O4 MNP had good specific surface area (27.36 m(2)/g) and agglomerated spherical in shape with the size range 16-20 nm. The magnetic properties of AM@Cu/Fe3O4 MNPs sample clearly showed ferromagnetic nature with a saturation magnetization (Ms) of 25.2 emu/g. Besides, AM@Cu/Fe3O4 magnetic nano composite was applied for the removal of Pb (II) from aqueous medium. The adsorption process was studied at contact time, pH and various concentrations. The adsorption data was fitted using Freundlich and Langmuir models. The kinetic results showed that adsorption was followed the pseudo-second-order kinetic model.
引用
收藏
页码：278 / 285
页数：8
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