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Citation: Mei Xiangyang, Wang Yao, Zhu Liyun, Liu Wei, Xu Xiaojun, Cao Guangzhu. Synthesis of NH₂-Functionalized Ferromanganese Nanoparticles and Its Adsorption Performance for Pb²⁺ and Cd²⁺[J]. Chemistry, ;2019, 82(2): 144-150. shu

Synthesis of NH₂-Functionalized Ferromanganese Nanoparticles and Its Adsorption Performance for Pb²⁺ and Cd²⁺

Mei Xiangyang ^1, ,
Wang Yao ² ,
Zhu Liyun ² ,
Liu Wei ² ,
Xu Xiaojun ^2,, ,
Cao Guangzhu ²

1.
The Environmental Assessment Center of Yunnan Province, Kunming 650032
2.
Faculty of Environmental Science and Technology, Kunming University of Science and Technology, Kunming 650500

Corresponding author: Xu Xiaojun, xuxiaojun88@sina.com
Received Date: 7 August 2018
Accepted Date: 20 September 2018

Figures(11)

NH₂-functionalized ferromanganese nanoparticles (AMFNs) was synthesized by one-step hydrothermal method, and its adsorption characteristics and adsorption capacities for Pb²⁺ and Cd²⁺ were also investigated. The AMFNs material characterization was characterized by SEM, FTIR, XPS and XRD etc. The maximum saturated adsorptions on AMFNs achieve 255.57 mg/g and 129.72 mg/g for Pb²⁺ and Cd²⁺ at the reaction time 60 min and the temperature 25℃ respectively. The adsorption kinetic and adsorption isotherm are conformed to the pseudo-second-order kinetic and Langmuir isotherm models, respectively. These results showed that the monomolecular chemisorption plays a dominant role in Pb²⁺ and Cd²⁺ adsorption process. In addition, desorption experiments indicated that the removal efficiency of AMFNs to Pb²⁺ and Cd²⁺ can still up to 87% after five repetition tests, which shows a good regenerative adsorption performance.
- NH₂-functionalized,
- Ferromanganese nanoparticles,
- Adsorption kinetics,
- Adsorption isotherm
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