Ditapis dengan
Effect of extra-framework gallium on the structure of iron species in Fe/ZSM-5
Abstract. A series of Fe/Ga-ZSM-5 catalysts with different Ga contents were prepared by solid-state ion exchange method. Ultraviolet and visible Raman spectroscopy, ultraviolet–visible diffuse reflectance spectroscopy, H2-temperature-programmed reduction, and N2O decomposition at 523 K were used to investigate the effect of extra-framework Ga on the nature of the Fe species in Fe/Ga-ZSM-5…
- Edisi
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- ISBN/ISSN
- 00219517
- Deskripsi Fisik
- Journal of Catalysis 259 (2008) 269–275
- Judul Seri
- Journal of Catalysis
- No. Panggil
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Tunable Thickness and Photoluminescence of Bipyramidal Hexagonal B-NaYF4 Mic…
Hexagonal B-NaYF4 was synthesized as capped bipyramidal microdisks solvothermally from yttria (Y2O3), sodium fluoride and ammonium hydrogen fluoride. The microdisks are bound by up to eighteen faces; six {202j3} facets on both the top and bottom of the disk and six radial {101j0} facets around its central band. The overall morphology and particle size can be modified through change of tempe…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Chem. Mater. 2009, 21, 160–168
- Judul Seri
- Chemistry of Materials
- No. Panggil
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Methane Cracking over a Bituminous Coal Char
Methane cracking over a bed of Chinese bituminous coal char was studied using a fixed-bed reactor at atmospheric pressure and temperatures between 1073 and 1223 K. Methane conversion over the fresh char increased with increasing temperature to 90% at 1223 K. Hydrogen was the only gas-phase product that was detected during the experimentation. The char was shown to exert a significant catalyt…
- Edisi
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- ISBN/ISSN
- -
- Deskripsi Fisik
- Energy & Fuels 2007, 21, 1601-1605
- Judul Seri
- Energy & Fuels
- No. Panggil
- -
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