Steam reforming of tar derived from walnut shell and almond shell gasification on red mud and iron-ceria catalysts

Seckiner Dulger Irdem, Elena Parparita, Cornelia Vasile, Azhar Uddin, Jale Yanik

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Catalytic steam gasification of shells (almond and walnut) was carried out in a flow-type double-bed microreactor. Temperature-programmed thermal steam gasification of shells was performed at 200-850 °C, followed by the catalytic gasification of volatiles (including tar) at different temperatures. The iron-ceria catalyst and red mud (as the iron oxide catalyst) were used as a catalytic bed material. Effects of the catalyst on tar decomposition and tar gasification were investigated. The iron-ceria catalyst enhanced both tar degradation and hydrogen production via the water-gas shift reaction. The tar conversions of 94% (for almond shell) and 100% (for walnut shell) were achieved at a very low temperature (600 °C). The red mud was found less active in tar decomposition because of the inhibition of sodium aluminum silicate hydrate to the activity of iron oxide.

Original languageEnglish
Pages (from-to)3808-3813
Number of pages6
JournalEnergy and Fuels
Volume28
Issue number6
DOIs
Publication statusPublished - Jun 19 2014

Fingerprint

Tars
Steam reforming
Cerium compounds
Tar
Gasification
Iron
Catalysts
Steam
Iron oxides
Aluminum Silicates
Silicic Acid
Decomposition
Water gas shift
Hydrogen production
Hydrates
Temperature
Silicates
Sodium
Aluminum
Degradation

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

Steam reforming of tar derived from walnut shell and almond shell gasification on red mud and iron-ceria catalysts. / Dulger Irdem, Seckiner; Parparita, Elena; Vasile, Cornelia; Uddin, Azhar; Yanik, Jale.

In: Energy and Fuels, Vol. 28, No. 6, 19.06.2014, p. 3808-3813.

Research output: Contribution to journalArticle

Dulger Irdem, Seckiner ; Parparita, Elena ; Vasile, Cornelia ; Uddin, Azhar ; Yanik, Jale. / Steam reforming of tar derived from walnut shell and almond shell gasification on red mud and iron-ceria catalysts. In: Energy and Fuels. 2014 ; Vol. 28, No. 6. pp. 3808-3813.
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