Ditapis dengan
Quantification of enhanced acid site accessibility in hierarchical zeolites �…
Abstract. An accessibility index (ACI) was derived from infrared spectroscopy of substituted alkylpyridines with different size (pyridine: 0.57 nm, 2,6-lutidine: 0.67 nm, and 2,4,6-collidine: 0.74 nm) over hierarchical porous ZSM-5 crystals. The samples were prepared by selective silicon extraction of a commercial sample in NaOH (desilication), and they contained different degrees of intrac…
- Edisi
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- ISBN/ISSN
- 00219517
- Deskripsi Fisik
- Journal of Catalysis 264 (2009) 11–14
- Judul Seri
- Journal of Catalysis
- No. Panggil
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Mechanism of ammonia oxidation over PGM (Pt, Pd, Rh) wires by temporal analys…
Abstract. The mechanism of ammonia oxidation over Pt, Pd, and Rh wires has been investigated in the Temporal Analysis of Products (TAP) reactor at relevant temperatures in industrial ammonia burners. The results of primary (NH3 + O2) and secondary (NH3 + NO) interactions with isotopically labeled ammonia at 1073 K enable to conclude that the overall reaction pathways to NO, N2O, and N2 are …
- Edisi
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- ISBN/ISSN
- 00219517
- Deskripsi Fisik
- Journal of Catalysis 261 (2009) 217–223
- Judul Seri
- Journal of Catalysis
- No. Panggil
- -
Mechanistic origin of the different activity of Rh-ZSM-5 and Fe-ZSM-5 in N2O …
Abstract. A temporal analysis of products (TAP) reactor was used to study relationships between the mechanism of direct N2O decomposition over metal-loaded zeolites and their resulting activity. Rh-ZSM-5 (prepared by incipient wetness) and Fe-ZSM-5 (prepared by liquid-ion exchange) were chosen as prototypic catalysts displaying low (650 K) temperature activity, respectively. Transient studi…
- Edisi
- -
- ISBN/ISSN
- 00219517
- Deskripsi Fisik
- Journal of Catalysis 256 (2008) 248–258
- Judul Seri
- Journal of Catalysis
- No. Panggil
- -
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