Photocatalytic degradation of methylene blue and phenol using TiO2/activated-carbon composite catalysts

Abdulfatah S. Muhammad, Jamil T. Naser, Ilham Kirm, Baba Y. Jibril

Research output: Contribution to journalArticle

Abstract

Photocatalytic degradation of methylene blue and phenol were conducted separately in aqueous solutions using titania-activated carbon composites. Activated carbon composites of different textural features and light of different wavelength or energy were used in order explore their effects on the performance of titania-activated carbon catalysts. The catalysts (TiAC1, TiAC2 and TiAC3) were prepared by impregnating activated carbon supports with an aqueous suspension of titanium precursor (TiO2). The catalysts were characterized using BET, XRD and FTIR. The diffraction pattern showed strong peaks that are assigned to titanium anatase phase and weaker peaks that indicated low rutile phase. The FTIR showed broad peaks of Ti-O-Ti linkages in TiO2 particles. The photocatalytic degradation of methylene blue and phenol was performed separately in visible light and UV irradiation of different wavelengths. Adsorption was dominant in the case of methylene blue removal while photodecomposition was more pronounced in the case of phenol removal.

Original languageEnglish
Pages (from-to)343-348
Number of pages6
JournalAsian Journal of Chemistry
Volume27
Issue number1
DOIs
Publication statusPublished - 2015

Fingerprint

Methylene Blue
Phenol
Activated carbon
Degradation
Catalysts
Composite materials
Titanium
Wavelength
Diffraction patterns
Suspensions
Irradiation
Adsorption
titanium dioxide

Keywords

  • Activated carbon
  • Methylene blue
  • Phenol
  • Photocataysis
  • Precursors
  • Titania

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Photocatalytic degradation of methylene blue and phenol using TiO2/activated-carbon composite catalysts. / Muhammad, Abdulfatah S.; Naser, Jamil T.; Kirm, Ilham; Jibril, Baba Y.

In: Asian Journal of Chemistry, Vol. 27, No. 1, 2015, p. 343-348.

Research output: Contribution to journalArticle

Muhammad, Abdulfatah S. ; Naser, Jamil T. ; Kirm, Ilham ; Jibril, Baba Y. / Photocatalytic degradation of methylene blue and phenol using TiO2/activated-carbon composite catalysts. In: Asian Journal of Chemistry. 2015 ; Vol. 27, No. 1. pp. 343-348.
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