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Citation: Pei Zhiyang, Huang Zeyi, Meng Zhuo, You Nan. Preparation and Selective Adsorption of As(Ⅴ)-Imprinted Organic-Inorganic Hybrid Sorbents for As(Ⅴ) Ions[J]. Chemistry, ;2019, 82(9): 811-815. shu

Preparation and Selective Adsorption of As(Ⅴ)-Imprinted Organic-Inorganic Hybrid Sorbents for As(Ⅴ) Ions

College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun 113001

Corresponding author: You Nan, younan_77@163.com
Received Date: 3 April 2019
Accepted Date: 10 June 2019

Figures(6)

An amino-functionalized As(Ⅴ)-ion imprinted organic-inorganic hybrid sorbent was prepared by hydrothermal assisted surface imprinting technique, and then its morphology and functional groups were characterized by SEM and FTIR. The adsorption property and selective removal ability of the imprinted hybrid sorbent were investigated by batch method. The results showed that the static adsorption capacity of the imprinted hybrid sorbent was improved evidently. At 20℃, the adsorption amount reached 47.5 mg/g, and the adsorption equilibrium time was 30 min. There was insignificant effect of pH in the range of 4~9 on the adsorption capacity of As(Ⅴ). The imprinted hybrid sorbent showed good selectivity for As(Ⅴ) in the binary solution. After the imprinted hybrid sorbent was reused 5 cycles, no substantial reduction of adsorption capacity was observed. The adsorption process of As(Ⅴ) onto the imprinted hybrid sorbent followed Langmuir isotherm and pseudo-second order kinetic model.
- Ion imprinted,
- Arsenic,
- Hydrothermal assisted,
- Isotherm,
- Kinetics
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