Mechanism study of Cu(II) adsorption from acidic wastewater by ultrasonic-modified municipal solid waste incineration fly ash

Shunda lin; Yang Lu; Lin Zheng; Ling Long; Xuguang Jiang; Jianhua Yan

doi:10.1016/j.cjche.2023.11.019

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Mechanism study of Cu(II) adsorption from acidic wastewater by ultrasonic-modified municipal solid waste incineration fly ash

Updated：2026-01-06

- Mechanism study of Cu(II) adsorption from acidic wastewater by ultrasonic-modified municipal solid waste incineration fly ash
- Mechanism study of Cu(II) adsorption from acidic wastewater by ultrasonic-modified municipal solid waste incineration fly ash
- 中国化学工程学报（英文版） 2024年67卷第3期页码：157-165
- Affiliations：
  
  1. State Key Laboratory of Clean Energy Utilization, Institute for Thermal Power Engineering, Zhejiang University,Hangzhou,China,310027
  2. Zhejiang University Qingshanhu Energy Research Center,Hangzhou,China,310027
  3. Hangzhou Xiaoshan Jinjiang Green Energy Co., Ltd., Xiaoshan,Hangzhou,China,310000
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2023.11.019
  中图分类号：
- 纸质出版：2024
- Accepted：
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Shunda lin, Yang Lu, Lin Zheng, 等. Mechanism study of Cu(II) adsorption from acidic wastewater by ultrasonic-modified municipal solid waste incineration fly ash[J]. 中国化学工程学报（英文版）, 2024,67(3):157-165.

Shunda lin, Yang Lu, Lin Zheng, Ling Long, Xuguang Jiang, Jianhua Yan. Mechanism study of Cu(II) adsorption from acidic wastewater by ultrasonic-modified municipal solid waste incineration fly ash[J]. Chinese Journal of Chemical Engineering, 2024, 67(3): 157-165.
Shunda lin, Yang Lu, Lin Zheng, 等. Mechanism study of Cu(II) adsorption from acidic wastewater by ultrasonic-modified municipal solid waste incineration fly ash[J]. 中国化学工程学报（英文版）, 2024,67(3):157-165. DOI： 10.1016/j.cjche.2023.11.019.

Shunda lin, Yang Lu, Lin Zheng, Ling Long, Xuguang Jiang, Jianhua Yan. Mechanism study of Cu(II) adsorption from acidic wastewater by ultrasonic-modified municipal solid waste incineration fly ash[J]. Chinese Journal of Chemical Engineering, 2024, 67(3): 157-165. DOI： 10.1016/j.cjche.2023.11.019.

摘要

Abstract

High concentrations of copper ions (Cu(II)) in water will pose health risks to humans and the ecological environment. Therefore

this study aims to utilize ultrasonic-cured modified municipal solid waste incineration (MSWI) fly ash for Cu(II) adsorption to achieve the purpose of “treating waste by waste.” The effects of pH

adsorption time

initial concentration

and temperature on the modified MSWI fly ash's adsorption efficiency were systematically studied in this article. The adsorption performance of the modified MSWI fly ash can be enhanced by the ultrasonic modification. At pH = 2

3 and 4

the adsorption capacity of the modified MSWI fly ash for Cu(II) increased by 2.7

1.9 and 1.2 times

respectively. Furthermore

it was suggested that the adsorption process of the modified MSWI fly ash can be better simulated by the pseudo-second-order kinetic model

with a maximum adsorption capacity calculated by the Langmuir model of 24.196 mg·g

-1

. Additionally

the adsorption process is spontaneous

endothermic

and chemisorption-dominated from the thermodynamic studies (∆

and ∆

∆

0). Finally

the enhanced adsorption performance of the modified MSWI fly ash for Cu(II) may be attributed to electrostatic interaction and chelation effects.

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