Adsorption of phenol on aluminum oxide impregnated fly ash

Hamza A. Asmaly, Ihsanullah, Basim Abussaud, Tawfik A. Saleh, Tahar Laoui, Vinod Kumar Gupta, Muataz Atieh

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

In this work, the potential of fly ash impregnated with aluminum oxide (FA-Al2O3) for adsorption of phenol from aqueous solution was studied. Batch adsorption experiments were carried out to evaluate the effects of the experimental parameters pH, agitation speed, contact time, adsorbent dosage, and initial concentration on the phenol removal efficiency. The adsorption of phenol by FA-Al2O3 was found to be pH dependent with the best removal achieved at pH 7. The optimum set of parameters for the removal were, 200 rpm agitation speed, 200 mg adsorbent dosage, 2 h contact time, and 2 ppm initial phenol concentration. Both the Langmuir and Freundlich isotherm models represented the adsorption experimental data. However, the Langmuir isotherm model best fitted the data on the adsorption of phenol using FA and FA-Al2O3, with correlation coefficient of 97.7 and 97.9, respectively. The improvement in the adsorption efficiency of FA-Al2O3 over FA could be attributed to the increase in the surface area, which was found to be 11.889 m2/g and 7.1 m2/g for FA-Al2O3 and FA, respectively.

Original languageEnglish
JournalDesalination and Water Treatment
DOIs
Publication statusAccepted/In press - 12 Feb 2015
Externally publishedYes

Fingerprint

Fly ash
fly ash
aluminum oxide
Phenols
phenol
adsorption
Aluminum
Adsorption
Oxides
Adsorbents
Isotherms
isotherm
aqueous solution
surface area
removal
experiment
Experiments

Keywords

  • Adsorption
  • Aluminum oxide impregnation
  • Fly ash
  • Phenol

ASJC Scopus subject areas

  • Pollution
  • Water Science and Technology
  • Ocean Engineering

Cite this

Asmaly, H. A., Ihsanullah, Abussaud, B., Saleh, T. A., Laoui, T., Gupta, V. K., & Atieh, M. (Accepted/In press). Adsorption of phenol on aluminum oxide impregnated fly ash. Desalination and Water Treatment. https://doi.org/10.1080/19443994.2015.1010238

Adsorption of phenol on aluminum oxide impregnated fly ash. / Asmaly, Hamza A.; Ihsanullah; Abussaud, Basim; Saleh, Tawfik A.; Laoui, Tahar; Gupta, Vinod Kumar; Atieh, Muataz.

In: Desalination and Water Treatment, 12.02.2015.

Research output: Contribution to journalArticle

Asmaly, Hamza A. ; Ihsanullah ; Abussaud, Basim ; Saleh, Tawfik A. ; Laoui, Tahar ; Gupta, Vinod Kumar ; Atieh, Muataz. / Adsorption of phenol on aluminum oxide impregnated fly ash. In: Desalination and Water Treatment. 2015.
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