Sorption of phenol from waters on activated carbon impregnated with iron oxide, aluminum oxide and titanium oxide

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

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

The efficiency of Fe2O3, Al2O3 and TiO2 nanoparticles-loaded activated carbon (AC) for the adsorption of phenol from waters, was investigated. The raw and doped ACs were characterized by using Scanning Electron Microscopy, Energy Dispersive X-ray Spectroscopy, Thermogravimetric analysis and Brunauer-Emmett-Teller surface analysis. Batch adsorption experiments were performed to evaluate the effects of solution pH, agitation speed, contact time, adsorbent dosage and ionic strength on the phenol removal efficiency. Activated carbon impregnated with Fe2O3, Al2O3 and TiO2 showed higher adsorption capacity compared to raw AC. The maximum removal of phenol was achieved by iron oxide, aluminum Oxide and titanium oxide doped AC under the optimum conditions of 200 mg dosage, at pH 7, 150 rpm agitation speed, 2 ppm initial phenol concentration and contact time of 2 h. While for raw AC, the maximum removal was achieved for an adsorbent dosage of 300 mg under the same treatment conditions. The Langmuir isotherm model best fitted the data of the adsorption of phenol using AC, AC-TiO2, AC-Fe2O3 and AC-Al2O3, with correlation coefficient of 0.971, 0.96, 0.976 and 0.972. Surface characterization of both the impregnated AC showed an improvement in its surface area of the doped AC. The adsorption capacities, as determined by the Langmuir isotherm model were 1.5106, 3.1530, 3.2875 and 3.5461 mg/g for raw AC, AC-TiO2, AC-Fe2O3 and AC-Al2O3.

Original languageEnglish
Pages (from-to)351-359
Number of pages9
JournalJournal of Molecular Liquids
Volume213
DOIs
Publication statusPublished - 1 Jan 2016

Fingerprint

Aluminum Oxide
Titanium oxides
activated carbon
Phenol
Iron oxides
iron oxides
titanium oxides
Activated carbon
phenols
sorption
Phenols
Sorption
aluminum oxides
Aluminum
Oxides
oxides
Water
water
Adsorption
adsorption

Keywords

  • Activated carbon
  • Adsorption
  • Impregnation
  • Phenol

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Spectroscopy
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Sorption of phenol from waters on activated carbon impregnated with iron oxide, aluminum oxide and titanium oxide. / Abussaud, Basim; Asmaly, Hamza A.; Ihsanullah; Saleh, Tawfik A.; Gupta, Vinod Kumar; Laoui, Tahar; Atieh, Muataz.

In: Journal of Molecular Liquids, Vol. 213, 01.01.2016, p. 351-359.

Research output: Contribution to journalArticle

Abussaud, Basim ; Asmaly, Hamza A. ; Ihsanullah ; Saleh, Tawfik A. ; Gupta, Vinod Kumar ; Laoui, Tahar ; Atieh, Muataz. / Sorption of phenol from waters on activated carbon impregnated with iron oxide, aluminum oxide and titanium oxide. In: Journal of Molecular Liquids. 2016 ; Vol. 213. pp. 351-359.
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AB - The efficiency of Fe2O3, Al2O3 and TiO2 nanoparticles-loaded activated carbon (AC) for the adsorption of phenol from waters, was investigated. The raw and doped ACs were characterized by using Scanning Electron Microscopy, Energy Dispersive X-ray Spectroscopy, Thermogravimetric analysis and Brunauer-Emmett-Teller surface analysis. Batch adsorption experiments were performed to evaluate the effects of solution pH, agitation speed, contact time, adsorbent dosage and ionic strength on the phenol removal efficiency. Activated carbon impregnated with Fe2O3, Al2O3 and TiO2 showed higher adsorption capacity compared to raw AC. The maximum removal of phenol was achieved by iron oxide, aluminum Oxide and titanium oxide doped AC under the optimum conditions of 200 mg dosage, at pH 7, 150 rpm agitation speed, 2 ppm initial phenol concentration and contact time of 2 h. While for raw AC, the maximum removal was achieved for an adsorbent dosage of 300 mg under the same treatment conditions. The Langmuir isotherm model best fitted the data of the adsorption of phenol using AC, AC-TiO2, AC-Fe2O3 and AC-Al2O3, with correlation coefficient of 0.971, 0.96, 0.976 and 0.972. Surface characterization of both the impregnated AC showed an improvement in its surface area of the doped AC. The adsorption capacities, as determined by the Langmuir isotherm model were 1.5106, 3.1530, 3.2875 and 3.5461 mg/g for raw AC, AC-TiO2, AC-Fe2O3 and AC-Al2O3.

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