Synthesis of Fe-Ni-Ce trimetallic catalyst nanoparticles via impregnation and co-precipitation and their application to dye degradation

Ghazaleh Allaedini, Siti Masrinda Tasirin, Payam Aminayi

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

In this study, trimetallic catalysts were prepared via the co-precipitation and impregnation methods. In order to investigate the effect of impregnation on the catalytic activity and crystallite size, a trimetallic catalyst, Fe-Ni-Ce, was prepared through the co-precipitation method in one set of experiments, and cerium was impregnated with the Ni-Fe mixture in the final stage of the preparation in another set. Fourier transform infrared spectroscopy was employed to confirm the formation of trimetallic catalysts and the success of the impregnation method. The Brunauer-Emmett-Teller nitrogen adsorption isotherm exhibits a high specific surface area (approximately 39 m2 g-1) for the nanoparticles obtained by the impregnation method. The crystallography and morphology of the trimetallic catalysts thus prepared were characterised by X-ray diffraction and scanning electron microscopy. UV-VIS spectroscopy and methylene blue dye degradation tests were also performed to investigate the catalytic activity of the synthesised catalysts. The crystalline size was found to be smaller for the catalysts prepared by the impregnation method. In addition, the samples synthesised using the cerium impregnation method showed superior activity in the methylene blue dye degradation test. The effect of the catalyst dosage on dye degradation, as well as the effect of the initial dye concentration on the catalyst activity, was also studied for both methods.

Original languageEnglish
Pages (from-to)231-242
Number of pages12
JournalChemical Papers
Volume70
Issue number2
DOIs
Publication statusPublished - 1 Oct 2015

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Coprecipitation
Impregnation
Nanoparticles
Coloring Agents
Dyes
Degradation
Catalysts
Cerium
Catalyst activity
Methylene Blue
Crystallography
Fourier Transform Infrared Spectroscopy
Crystallite size
Ultraviolet spectroscopy
Adsorption isotherms
X-Ray Diffraction
Specific surface area
Electron Scanning Microscopy
Adsorption
Fourier transform infrared spectroscopy

Keywords

  • catalyst
  • Fe-Ni-Ce nanoparticles
  • methylene blue
  • photodegradation
  • trimetallic

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Biochemistry
  • Industrial and Manufacturing Engineering
  • Materials Chemistry

Cite this

Synthesis of Fe-Ni-Ce trimetallic catalyst nanoparticles via impregnation and co-precipitation and their application to dye degradation. / Allaedini, Ghazaleh; Tasirin, Siti Masrinda; Aminayi, Payam.

In: Chemical Papers, Vol. 70, No. 2, 01.10.2015, p. 231-242.

Research output: Contribution to journalArticle

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