ATRAZINE REMOVAL FROM WATER BY MOSO BAMBOO BASED Fe-Co/C COMPOSITE

CHEN Yanxu; CHENG Yan; HE Huijun; ZHU Zongqiang; ZHANG Lihao; ZHU Yinian

doi:10.13205/j.hjgc.202203007

Volume 40 Issue 3

Mar. 2022

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CHEN Yanxu, CHENG Yan, HE Huijun, ZHU Zongqiang, ZHANG Lihao, ZHU Yinian. ATRAZINE REMOVAL FROM WATER BY MOSO BAMBOO BASED Fe-Co/C COMPOSITE[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(3): 38-44,73. doi: 10.13205/j.hjgc.202203007

Citation:

CHEN Yanxu, CHENG Yan, HE Huijun, ZHU Zongqiang, ZHANG Lihao, ZHU Yinian. ATRAZINE REMOVAL FROM WATER BY MOSO BAMBOO BASED Fe-Co/C COMPOSITE[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(3): 38-44,73. doi: 10.13205/j.hjgc.202203007

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ATRAZINE REMOVAL FROM WATER BY MOSO BAMBOO BASED Fe-Co/C COMPOSITE

doi: 10.13205/j.hjgc.202203007

CHEN Yanxu^1,2,
CHENG Yan^{1,2
,
,},
HE Huijun^1,2,
ZHU Zongqiang^1,2,
ZHANG Lihao^1,2,
ZHU Yinian^1,2

1. Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin 541004, China;
2. Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin 541004, China

Received Date: 2021-02-04
Available Online: 2022-07-07

Abstract

Abstract

The moso bamboo based Fe-Co/C composite was prepared by hydrothermal impregnation with the bamboo as the carrier and iron-cobalt composite salt solution as the precursor, and characterized by scanning electron microscope (SEM), X-ray diffraction (XRD), Infrared spectroscopy (FT-IR) and specific surface area analyzer (BET). The adsorption process of Fe-Co/C composites for atrazine was investigated by batch experiments. The Fe-Co/C composite exhibited good performance for atrazine removal in water. The equilibrium adsorption capacity of the Fe-Co/C composite was 21.89 mg/g at pH of 7.0, initial concentration of 10 mg/L, dosage of the Fe-Co/C composite of 0.4 g/L and temperature of 25℃. The adsorption process of atrazine on the Fe-Co/C composite could be simulated by the pseudo-second-order model and Langmuir isotherm model. The thermodynamic results showed that the adsorption of atrazine on Fe-Co/C magnetic composite was an endothermic process. The thermodynamic analysis illustrated an endothermic and spontaneous process of atrazine removal using the Fe-Co/C composite. Infrared spectra revealed that hydrogen bonding was one of the major adsorption forces for atrazine on Fe-Co/C composite, and pore effect and л-л conjugate interaction may also promote the adsorption of atrazine on composites.
- adsorption,
- iron,
- cobalt,
- atrazine,
- moso bamboo

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References(21)

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