Catalytic steam reforming of glycerol over cerium and palladium-based catalysts for hydrogen production

Ali Ebshish, Zahira Yaakob, Y. H. Taufiq-Yap, Ahmed Bshish, Abdulmajid Shaibani

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In this work, catalytic steam reforming of glycerol for hydrogen production was performed over Ce/Al2O3 and Pd/Al2O 3 catalysts prepared via the impregnation method. The catalysts were characterized by scanning electron microscopy (SEM-EDX), transmission electron microscopy (TEM), BET surface area, and X-ray diffraction (XRD). Two sets of catalytic reactions were conducted, one comparing 1% Pd/Al2O 3 to 1% Ce/Al2O3 and the second comparing 1% Ce/Al2O3 loading to 10% Ce/Al2O3 loading. All catalytic reactions were performed using a fixed-bed reactor operated at 600 °C and atmospheric pressure. Aglycerol-water mixture at a molar ratio of 1:6 was fed to the reactor at 0.05 ml/min. In the first set of experiments, Pd/Al2O3 exhibited higher hydrogen productivity than Ce/Al2O3. A maximum hydrogen yield of 56% and a maximum selectivity of 78.7% were achieved over the Pd/Al 2O3 catalyst. For the second set of experiments, the results show that the reaction conversion increased as the cerium loading increased from 1% to 10%. A total average hydrogen yield of 28.0% and a selectivity of 45.5% were obtained over 1% Ce/Al2O3, while the total average hydrogen yield and selectivity were 42.2% and 52.7%, respectively, for 10% Ce/Al2O3.

Original languageEnglish
Article number021003
JournalJournal of Fuel Cell Science and Technology
Volume10
Issue number2
DOIs
Publication statusPublished - 2013

Fingerprint

Cerium
Catalytic reforming
Steam reforming
Palladium
Hydrogen production
Glycerol
Hydrogen
Catalysts
Scanning electron microscopy
Impregnation
Atmospheric pressure
Energy dispersive spectroscopy
Productivity
Experiments
Transmission electron microscopy
X ray diffraction
Water

Keywords

  • Catalytic system
  • Glycerol
  • Hydrogen production
  • Reforming process

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Renewable Energy, Sustainability and the Environment
  • Electronic, Optical and Magnetic Materials
  • Energy Engineering and Power Technology

Cite this

Catalytic steam reforming of glycerol over cerium and palladium-based catalysts for hydrogen production. / Ebshish, Ali; Yaakob, Zahira; Taufiq-Yap, Y. H.; Bshish, Ahmed; Shaibani, Abdulmajid.

In: Journal of Fuel Cell Science and Technology, Vol. 10, No. 2, 021003, 2013.

Research output: Contribution to journalArticle

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