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Adsorption properties of oxygen and methane on Ga-ZSM-5; the origin of the selectivity of NOx reduction using methane

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Abstract

The adsorption properties of oxygen and methane on Ga-ZSM-5 and Cu-ZSM-5 catalysts were examined by a TPD method to clarify the extraordinary selectivity of HC-SCR using methane on Ga-ZSM-5. It was observed that Ga-ZSM-5 did not adsorb oxygen but adsorbed methane dissociatively, while on Cu-ZSM-5 oxygen was dissociatively adsorbed and reacted with adsorbed ethylene.

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Authors and Affiliations

  1. Fundamental Research Laboratories, Osaka Gas Co. Ltd., Torishima 6-19-9, Konohanaku, 554, Osaka, Japan

    Takeshi Tabata, Mikako Kokitsu & Osamu Okada

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  1. Takeshi Tabata
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  2. Mikako Kokitsu
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  3. Osamu Okada
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Tabata, T., Kokitsu, M. & Okada, O. Adsorption properties of oxygen and methane on Ga-ZSM-5; the origin of the selectivity of NOx reduction using methane. Catal Lett 25, 393–400 (1994). https://doi.org/10.1007/BF00816319

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  • DOI: https://doi.org/10.1007/BF00816319

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