Palladium ion-exchanged SAPO-5 for a low temperature combustion of CH4

Yusaku Takita, Tatsumi Ishihara, Hiroyasu Nishiguchi, Hideaki Sumi

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Abstract

The oxidation activity of molecular sieves ion-exchanged by Pd were investigated as a catalyst for the low temperature combustion of CH4. Among the molecular sieves examined, SAPO-5 ion-exchanged by Pd exhibited the highest activity for CH4 combustion as well as the high thermal stability. Since the high dispersion of Pd particles was attained with ion-exchanged method, plateau in the temperature dependence of CH4 conversion was hardly appeared on Pd-HSAPO-5 catalysts in the high space velocity of CH4. Furthermore, the high activity of Pd-HSAPO-5 was sustained after the precalcination up to 1000°C. Consequently, Pd-HSAPO-5 is a promising combustion catalyst in low temperature range.

Original languageEnglish
Pages (from-to)1647-1654
Number of pages8
JournalStudies in Surface Science and Catalysis
Volume105 B
Publication statusPublished - Jan 1 1997
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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