Arsenic adsorption on cobalt and manganese ferrite nanoparticles

被引：40

作者：

Martinez-Vargas, S. ^{[1
]}

Martinez, Arturo I. ^{[2
,3
]}

Hernandez-Beteta, Elias E. ^{[4
]}

Mijangos-Ricardez, O. F. ^{[4
]}

Vazquez-Hipolito, V. ^{[5
]}

Patino-Carachure, C. ^{[1
]}

Hernandez-Flores, H. ^{[2
]}

Lopez-Luna, J. ^{[4
]}

机构：

[1] Univ Autonoma Carmen, Fac Ingn, Campus III, Carmen, Campeche, Mexico

[2] Cinvestav Saltillo Ind, Zona Ind, Ramos Arizpe 25900, Coahuila, Mexico

[3] Univ Catolica Norte, Fac Ciencias, Dept Fis, Casilla 1280, Antofagasta, Chile

[4] Univ Sierra Juarez, Inst Estudios Ambientales, Ixtlan De Juarez 68725, Oaxaca, Mexico

[5] Univ Tecnol Mixteca, Inst Fis & Matemat, Huajuapan De Leon 69000, Oaxaca, Mexico

来源：

JOURNAL OF MATERIALS SCIENCE | 2017年 / 52卷 / 11期

关键词：

MAGNETITE NANOPARTICLES; METAL-IONS; REMOVAL; ADSORBENTS; MNFE2O4; IRON;

D O I：

10.1007/s10853-017-0852-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The adsorption of As(III) on cobalt and manganese ferrite nanoparticles (NPs) was studied. The ferrite NPs were synthesized using the Massart-assisted microwave hydrothermal treatment. All the NPs exhibited the spinel structure with a formula such as MxFe3- O-x(4), where M = Co or Mn, and x runs from 0.21 to 1.14. The changes in the stoichiometry caused different effects on the physical properties as well on the As(III) adsorption capacity of the NPs. The adsorption data were fitted in very good agreement with the Freundlich model. It was concluded that As(III) was better attracted to ferrimagnetic cobalt ferrite NPs, given that the arsenic removal was significantly higher than that exhibited by superparamagnetic manganese-substituted ferrite NPs.

引用

页码：6205 / 6215

页数：11

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