Adsorption of As(III) and As(V) by Fe/C composite nanoparticles synthesized via a one-pot hydrothermal approach without the addition of carbon sources

被引：6
|
作者：
Rajendran, Manikandan [1 ]
Barathi, Selvaraj [2 ]
Sajjad, Maryium [3 ]
Albasher, Gadah [4 ]
Lee, Jintae [2 ]
机构：
[1] Padmavani Arts & Sci Coll Women, Dept Biotechnol, Salem, Tamil Nadu, India
[2] Yeungnam Univ, Sch Chem Engn, Gyongsan, South Korea
[3] Univ Bonn, Poppelsdorf, Bonn, Germany
[4] King Saud Univ, Coll Sci, Dept Zool, Riyadh, Saudi Arabia
来源：
ENVIRONMENTAL RESEARCH | 2022年 / 214卷
基金：
新加坡国家研究基金会;
关键词：
Arsenic; Ferrocene; Nanoparticles; Adsorption kinetics; Adsorption isotherm; GROUNDWATER ARSENIC CONTAMINATION; FE3O4; NANOPARTICLES; AQUEOUS-SOLUTION; WASTE-WATER; REMOVAL; PERFORMANCE; NANOCOMPOSITES; ADSORBENTS; MECHANISM; HEALTH;
D O I：
10.1016/j.envres.2022.113899
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Arsenic remediation from contaminated water has become a serious issue worldwide. Carbon-encapsulated Fe nanoparticle composites (Fe/C CNPs) were created utilizing a one-pot hydrothermal process with ferrocene and no carbon sources. The Fe/C CNPs produced were characterized using a variety of techniques. As(III) and As(IV) (V) were modeled using a pseudo-second-order kinetic model. The Langmuir model described As(III) adsorption on Fe/C CNPs with an extreme adsorption ability of 5.85 mg g(-1), indicating monolayer adsorption. On the other hand, (V) adsorption was well matched with the Freundlich model, with a high adsorption volume of 5.05 mg g(-1), demonstrating multilayer adsorption onto the surface of Fe/C CNPs. These findings imply that the Fe/C CNPs generated can be utilized to remediate As-contaminated water.
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页数：9
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