Study of the Adsorption of Arsenic (III and V) by Magnetite Nanoparticles Synthetized via AACVD

被引：6

作者：

Elizabeth Monarrez-Cordero, Blanca ^{[1
]}

Amezaga-Madrid, Patricia ^{[1
]}

Leyva-Porras, Cesar Cutberto ^{[1
]}

Piza-Ruiz, Pedro ^{[1
]}

Miki-Yoshida, Mario ^{[1
]}

机构：

[1] Ctr Invest Mat Avanzados SC, Dept Fis Mat, Miguel Cervantes 120, Chihuahua 31136, Chihuahua, Mexico

来源：

MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS | 2016年 / 19卷

关键词：

AACVD; MNPs; adsorption isotherms; physisorption process; HIGHLY EFFICIENT REMOVAL; DRINKING-WATER; METAL-IONS; SMALL-SCALE; KINETICS; SORPTION; IRON; EQUILIBRIUM; GROUNDWATER; FILTRATION;

D O I：

10.1590/1980-5373-MR-2015-0667

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Globally, water pollution is mainly caused by the presence of heavy metals and metalloids such as arsenic. The majority of the techniques employed in the removal are of low efficiency and high cost. Therefore, in this work it is presented the adsorption processes of arsenic (As III and V) ions employing magnetite nanoparticles (MNPs) synthesized by the aerosol assisted chemical vapor deposition (AACVD) process. The adsorption efficiency was determined at different times and concentrations. The remaining As concentration in the solutions was analyzed by atomic absorption spectroscopy. The adsorbed As ions on the surface of the NMPs was analyzed by high resolution transmission electron microscopy. The results showed an overall removal efficiency of 87% for As+3 and 98% for As+5, in a contact time of 15 minutes. Results suggested the use of NMPs as a promising alternative in the removal of As ions in water.

引用

页码：103 / 112

页数：10

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