Adsorption of Dye from Wastewater by Zeolites Synthesized from Fly Ash:Kinetic and Equilibrium Studies

王春峰; 李健生; 王连军; 孙秀云; 黄佳佳

doi:10.1016/S1004-9541(08)60239-6

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Adsorption of Dye from Wastewater by Zeolites Synthesized from Fly Ash:Kinetic and Equilibrium Studies

Updated：2026-01-06

- Adsorption of Dye from Wastewater by Zeolites Synthesized from Fly Ash:Kinetic and Equilibrium Studies
- Chinese Journal of Chemical Engineering Vol. 17, Issue 3, Pages: 513-521(2009)
- Affiliations：
  
  School of Chemical Engineering, Nanjing University of Science and Technology,Nanjing,China,210094
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(08)60239-6
  CLC：
- Published：2009
- Accepted：
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WANG Chunfeng, LI Jiansheng, WANG Lianjun, SUN Xiuyun, HUANG Jiajia. Adsorption of Dye from Wastewater by Zeolites Synthesized from Fly Ash:Kinetic and Equilibrium Studies[J]. , 2009, 17(3): 513-521.
DOI：

WANG Chunfeng, LI Jiansheng, WANG Lianjun, SUN Xiuyun, HUANG Jiajia. Adsorption of Dye from Wastewater by Zeolites Synthesized from Fly Ash:Kinetic and Equilibrium Studies[J]. , 2009, 17(3): 513-521. DOI： 10.1016/S1004-9541(08)60239-6.

摘要

Abstract

The removal performance of a basic dye

methylene blue (MB)

in aqueous solution was investigated by adsorption process on single-phase and high-crystalline zeolite A (FA-ZA) and X (FA-ZX). Both adsorbents FA-ZA and FA-ZX were synthesized from fly ash prepared aluminosilicate gel followed by the hydrothermal treatment at 100℃ with the control of Si/Al molar ratio

respectively. The properties of the synthetic zeolites and commercial grade zeolites

such as thermal stability

elemental composition

and cation exchange capacity

were investigated for comparison. Batch method was used to study the influential parameters

such as initial pH value of the solution

temperatures

and adsorbents dosage

on the adsorption process. The experimental data were well fitted by Ho’ pseudo-second-order model and liquid film diffusion model. The suitability of Langmuir and Freundlich isotherms to the equilibrium data was investigated in the solid-liquid system while the Langmuir model produces the best results. Thermodynamic data (△

△

and △

) corresponding to the MB uptake were evaluated from the Langmuir model. In all the adsorption experiments

the adsorption capacity followed the order as follows:FA-ZXFA-ZA. In addition

attempts were also made to regenerate the adsorbents.

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