Download Metal Oxides Chemistry and Applications by Peter Goode (Schlumberger) PDF

By Peter Goode (Schlumberger)

Curiosity in catalytic purposes keep growing in quite a few disciplines as researchers locate much more hyperlinks to different fields in simple technology and in advertisement functions. This number of the 23 papers that function chapters the following contain fresh paintings on steel oxides, together with such issues because the molecular constructions of floor oxide species, nanostructured supported steel oxides, illness chemistry and shipping, floor methods and composition, the digital constitution of steel oxides, floor acidity and basicity, optical basicity, cation valence states analyzed by means of spectroscopy, research via methanol chemisorption, combinatorial techniques, methane oxidation, metathesis of olefins, functions of steel oxides for unstable natural compound combustion, selective catalytic aid strategies, gasoline sensors in response to semiconducting steel oxides, and gasoline electrodes for strong oxide gasoline cells.

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R. Foster, Catal. Rev. Sci. Eng. 33 (1991) 1. 4. N. Reddy and M. Subrahmanyam, Langmuir 8 (1992) 2072. 5. D. F. Hoelderich, S. Krill, W. Boeck, and K. Huthmacher, J. Catal. 192 (2000) 1. 6. G. E. Wachs, J. Catal. 146 (1994) 323. 7. Q. -M. Jehng, H. G. E. Wachs, and K. Klier, J. Catal. 165 (1997) 101. 8. A. Banares, Catal. Today 51 (1999) 319. 9. D. Chen, A. Khodakov, J. Yang, A. Bell, and E. Iglesia, J. Catal. 186 (1999) 325. 10. X. -M. E. Wachs, J. Catal. 209 (2004) 43. 11. V. Guliants, Catal.

For surface metal oxide species that can undergo redox processes (V2 O5 , CrO3 , MoO3 , and Re2 O7 ), both, fully oxidized and partially reduced surface metal oxide species can be present. , propylene > n-butane > propane > ethane > methane) and the specific reactive environment (temperature and ratio of reducing agent/O2 )). “DK3029_C001” — 2005/7/9 — 00:00 — page 23 — #23 Metal Oxides: Chemistry and Applications 24 At present, the molecular structures of the dehydrated reduced surface metal oxide species present for supported metal oxide catalysts under reactive environments are not well-known and, hopefully, will receive more attention in the coming years.

The gas phase dioxo F3 Re(=O)2 exhibits its vs and vas vibrations at 1026 and 990 cm−1 , with both stretching modes higher than that observed for surface ReO4 /Al2 O3 species. The gas phase monoxo F5 Re=O exhibits its vs vibration at 990 cm−1 , which is lower than that measured for the dehydrated surface ReO4 /Al2 O3 species. Furthermore, the monoxo F5 Re=O does not possess the vas stretching vibration observed for the surface ReO4 /Al2 O3 species. The vibrations of the dehydrated surface ReO4 species on Al2 O3 (ReO4 -I: 1015, 980, 340, and 310 cm−1 and ReO4 -II: 1004, 890, 340, and 310 cm−1 ) are also remarkably similar to those of the gas phase Re2 O7 ReO4 -containing dimer (1009, 972, 341, and 322 cm−1 ) without the associated bridging Re–O–Re vibrational modes at 356 and 185 cm−1 .

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