La-EDTA coated Fe3O4 nanomaterial: Preparation and application in removal of phosphate from water

La-EDTA-Fe3O4 was prepared by a chemical co-precipitation method. The magnetic composite was characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FT-IR). Furthermore, the adsorption properties of La-EDTA-Fe3O4 toward phosphate...

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Published in:Journal of environmental sciences (China) 2013-02, Vol.25 (2), p.413-418
Main Authors: Yang, Jiao, Zeng, Qingru, Peng, Liang, Lei, Ming, Song, Huijuan, Tie, Boqing, Gu, Jidong
Format: Article
Language:English
Subjects:
Adsorption
Edetic Acid - chemistry
Ferrosoferric Oxide - chemistry
Fourier transforms
Infrared spectroscopy
La-EDTA-Fe3O4
magnetic materials
Nanocomposites
Nanomaterials
Nanostructure
Nanostructures - chemistry
phosphate
Phosphates
Phosphates - chemistry
Reaction kinetics
Water - chemistry
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cited_by cdi_FETCH-LOGICAL-c462t-645c586c146589fbd2fe06850b825a48b771613e91c3a0ff4273cf728b82614e3
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container_end_page 418
container_issue 2
container_start_page 413
container_title Journal of environmental sciences (China)
container_volume 25
creator Yang, Jiao
Zeng, Qingru
Peng, Liang
Lei, Ming
Song, Huijuan
Tie, Boqing
Gu, Jidong
description La-EDTA-Fe3O4 was prepared by a chemical co-precipitation method. The magnetic composite was characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FT-IR). Furthermore, the adsorption properties of La-EDTA-Fe3O4 toward phosphate in water were investigated. The uptake rate of phosphate in water by La-EDTA-Fe3O4 was 3-1000 times than that of EDTA-Fe3O4, and reached 97.8% at 7 hr. The adsorption process agreed well with the Freundlich model and kinetics studies showed that the adsorption of phosphate proceeds according to pseudo second-order adsorption kinetics. The maximum removal rate was achieved at pH 6.0–7.0. The La-EDTA-Fe3O4 had good adsorption properties and could be separated well from aqueous solution by a permanent magnet. Therefore, this nanomaterial has potential application for the removal of phosphate from large water bodies.
doi_str_mv 10.1016/S1001-0742(12)60014-X
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The magnetic composite was characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FT-IR). Furthermore, the adsorption properties of La-EDTA-Fe3O4 toward phosphate in water were investigated. The uptake rate of phosphate in water by La-EDTA-Fe3O4 was 3-1000 times than that of EDTA-Fe3O4, and reached 97.8% at 7 hr. The adsorption process agreed well with the Freundlich model and kinetics studies showed that the adsorption of phosphate proceeds according to pseudo second-order adsorption kinetics. The maximum removal rate was achieved at pH 6.0–7.0. The La-EDTA-Fe3O4 had good adsorption properties and could be separated well from aqueous solution by a permanent magnet. 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ispartof Journal of environmental sciences (China), 2013-02, Vol.25 (2), p.413-418
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1878-7320
language eng
recordid cdi_wanfang_journals_jes_e201302024
source Elsevier
subjects Adsorption
Edetic Acid - chemistry
Ferrosoferric Oxide - chemistry
Fourier transforms
Infrared spectroscopy
La-EDTA-Fe3O4
magnetic materials
Nanocomposites
Nanomaterials
Nanostructure
Nanostructures - chemistry
phosphate
Phosphates
Phosphates - chemistry
Reaction kinetics
Water - chemistry
title La-EDTA coated Fe3O4 nanomaterial: Preparation and application in removal of phosphate from water
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