Atmospheric Production Process for Substitute Natural Gas from Saturated Hydrocarbons 1. Utilization of Catalytic Reaction for Atmospheric Methane Formation

Akira Ninomiya, Misuzu Sato, Hiroyasu Nishiguchi, Tatsumi Ishihara, Yusaku Takita

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In order to develop a novel production process for substitute natural gas (SNG), SiO2-supported metal catalysts effective for methane formation from propane and butanes are investigated under atmospheric pressure. Two reactions, namely, methane formation, C3H8→2 CH4+C, and decomposition, C3H8→3C+4H2, took place over the analyzed metal supported catalysts. The highest activity is measured for Ni/SiO2, revealing 100% conversion and over 90% selectivity for methanation at 500° C. As far as the activities of other metal supports are concerned, the order is found to be Ni»Co>Fe> Pt>Pd. Butanes show 95~99 % conversion and 80% selectivity over Ni/SiO2 at 500°C. Adopting the condition of less than 2, 700h-1 is found suitable for selective CH4 formation. Supplying the feed of C3 H8/H2=0.5, only hydrogenolysis of propane takes place over Ni/SiO2 above 250°C, and the conversion reachs 90% and 100% at 350°C and 500°C, respectively.

Original languageEnglish
Pages (from-to)316-321
Number of pages6
Journalkagaku kogaku ronbunshu
Volume25
Issue number2
DOIs
Publication statusPublished - Jan 1 1999

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Natural gas substitutes
Methane
Butanes
Hydrocarbons
Propane
Metals
Butane
Methanation
Hydrogenolysis
Catalyst supports
Atmospheric pressure
Decomposition
Catalysts

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Atmospheric Production Process for Substitute Natural Gas from Saturated Hydrocarbons 1. Utilization of Catalytic Reaction for Atmospheric Methane Formation. / Ninomiya, Akira; Sato, Misuzu; Nishiguchi, Hiroyasu; Ishihara, Tatsumi; Takita, Yusaku.

In: kagaku kogaku ronbunshu, Vol. 25, No. 2, 01.01.1999, p. 316-321.

Research output: Contribution to journalArticle

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