Oxygen vacancy-rich mesoporous silica KCC-1 for CO2 methanation

  • M. Y.S. Hamid
  • , M. L. Firmansyah
  • , S. Triwahyono*
  • , A. A. Jalil
  • , R. R. Mukti
  • , E. Febriyanti
  • , V. Suendo
  • , H. D. Setiabudi
  • , M. Mohamed
  • , W. Nabgan
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

168 Scopus citations

Abstract

Mesoporous silica KCC-1 was successfully synthesized by microemulsion system coupled with microwave-assisted hydrothermal method. Mesoporous silica KCC-1 exhibited spherical morphology surrounded with dendritic fiber with the particle size of 200–400 nm and BET surface area of 773 m2/g. Mesoporous silica KCC-1 has significantly higher number of basicity and oxygen vacancy than those of MCM-41 and SiO2which directly correlated with the catalytic performance of the catalyst. The activity of mesoporous silica KCC-1 in CO2methanation is five-fold higher than MCM-41 with the yield of CH4reached 38.9% at 723 K.

Original languageEnglish
Pages (from-to)86-94
Number of pages9
JournalApplied Catalysis A: General
Volume532
DOIs
StatePublished - 2017
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2016 Elsevier B.V.

Keywords

  • Basicity
  • COmethanation
  • Mesoporous silica KCC-1
  • Microemulsion system
  • Oxygen vacancy

ASJC Scopus subject areas

  • Catalysis
  • Process Chemistry and Technology

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