Dry reforming of methane over Ni/ZrO2-Al2O3 catalysts: Effect of preparation methods

Seol A. Shin, Young Su Noh, Gi Hoon Hong, Ji In Park, Hyun Tae Song, Kwan Young Lee, Dong Ju Moon

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Ni/ZrO2-Al2O3 catalysts were prepared by different methods such as modified Pechini sol-gel, urea hydrolysis, and physical mixing, and were evaluated by the dry reforming of methane under the conditions of reaction temperature of 700 °C, an atmospheric pressure, and a space velocity of 25,000 h-1. It was established that the interaction between nickel and support in the dry reforming of methane depends on the preparation methods of catalyst, and plays an important role in terms of the resistance to carbon formation. From the results, we suggested that the Ni/ZrO2-Al2O3 catalyst prepared by Pechini sol-gel showed higher stability under the tested reaction conditions. These results are interpreted that the interaction between nickel and ZrO2-Al2O3 promotes the dissociation of CO2. It was considered that the catalytic stability in the dry reforming of methane over Ni/ZrO2-Al2O3 catalyst was maintained by the balance for the reaction of deposited carbon and oxygen intermediate derived from the dehydrogenation of methane and the dissociation of CO2. The results are concluded that the Ni/ZrO2-Al2O3 (PS) catalyst is a desirable catalyst with the resistance to carbon formation in the dry reforming of methane.

Original languageEnglish
JournalJournal of the Taiwan Institute of Chemical Engineers
DOIs
Publication statusAccepted/In press - 2017 Jan 1

Fingerprint

Methane
Reforming reactions
Catalysts
Carbon
Nickel
Sol-gels
Dehydrogenation
Urea
Atmospheric pressure
Hydrolysis
Oxygen

Keywords

  • Dry reforming of methane
  • Support and metal surface interaction
  • Syngas production
  • ZrO-AlO, Ni/ZrO-AlO

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Dry reforming of methane over Ni/ZrO2-Al2O3 catalysts : Effect of preparation methods. / Shin, Seol A.; Noh, Young Su; Hong, Gi Hoon; Park, Ji In; Song, Hyun Tae; Lee, Kwan Young; Moon, Dong Ju.

In: Journal of the Taiwan Institute of Chemical Engineers, 01.01.2017.

Research output: Contribution to journalArticle

Shin, Seol A. ; Noh, Young Su ; Hong, Gi Hoon ; Park, Ji In ; Song, Hyun Tae ; Lee, Kwan Young ; Moon, Dong Ju. / Dry reforming of methane over Ni/ZrO2-Al2O3 catalysts : Effect of preparation methods. In: Journal of the Taiwan Institute of Chemical Engineers. 2017.
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