Topic
Dehydrogenation
About: Dehydrogenation is a research topic. Over the lifetime, 24238 publications have been published within this topic receiving 480028 citations. The topic is also known as: Dehydrogenation.
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TL;DR: In this article, the main applications of cerium dioxide in industrial catalysis are reviewed, with particular attention to the role played by ceria, and the main uses of CeO2 are connected to depollution of noxious compounds from gaseous streams originating from industrial productions and from automobiles.
875 citations
TL;DR: In this article, a review examines the recent literature on the oxidative dehydrogenation (ODH) of ethane and propane, which aims for the synthesis of the corresponding alkenes.
871 citations
TL;DR: McDonald et al. as mentioned in this paper proposed a method to solve the problem of protein synthesis in the context of the 239th American Chemical Society (ACS) National Meeting of Organometallics 2010.
Abstract: s of Papers, 221st ACS National Meeting, San Diego, CA, April 1-5, 2001; American Chemical Society:Washington, DC, 2001; INOR287. (b) Dijkstra, H. P.; Slagt, M. Q.; McDonald, A.; Kruithof, C. A.; Kreiter, R.; Mills, A. M.; Lutz, M.; Spek, A. L.; Klopper, W.; van Klink, G. P. M.; van Koten, G. Eur. J. Inorg. Chem. 2003, 830. (c) Mehendale, N. C.; Bezemer, C.; van Walree, C. A.; Klein Gebbink, R. J. M.; van Koten, G. J. Mol. Catal. A 2006, 257, 167. (d)Mehendale, N. C.; Sietsma, J. R. A.; de Jong, K. P.; vanWalree, C. A.; Gebbink, R. J. M. K.; van Koten, G. Adv. Synth. Catal. 2007, 349, 2619. (e) Mehendale, N. C.; Lutz, M.; Spek, A. L.; Klein Gebbink, R. J. M.; van Koten, G. J. Organomet. Chem. 2008, 693, 2971. (f)McDonald, A. R.; Dijkstra, H. P.; Suijkerbuijk, B.M. J. M.; van Klink, G. P. M.; van Koten, G.Organometallics 2009, 28, 4689. (g) McDonald, A. R.; Franssen, N.; van Klink, G. P. M.; van Koten, G. J. Organomet. Chem. 2009, 694, 2153. (h) O’Leary, P.; vanWalree, C. A.; Mehendale, N. C.; Sumerel, J.; Morse, D. E.; Kaska, W. C.; van Koten, G.; Klein Gebbink, R. J. M. Dalton Trans. 2009, 4289. (164) Gimenez, R.; Swager, T. M. J. Mol. Catal. A 2001, 166, 265. (165) Poyatos, M.; Marquez, F.; Peris, E.; Claver, C.; Fernandez, E. New J. Chem. 2003, 27, 425. (166) Yu, K.; Sommer, W.; Weck, M.; Jones, C. W. J. Catal. 2004, 226, 101. (167) Sommer,W. J.; Yu, K.; Sears, J. S.; Ji, Y.; Zheng, X.; Davis, R. J.; Sherrill, C. D.; Jones, C. W.; Weck, M. Organometallics 2005, 24, 4351. (168) Brookhart, M.; Huang, Z.; MacArthur, A. H.; Carson, E. C.; Goldman, A.; Scott, S. L.; Vicente, B. C. Abstracts of Papers, 239th ACS National Meeting, San Francisco, CA, March 21-25, 2010; American Chemical Society: Washington, DC, 2010; CATL-79. (169) del Pozo, C.; Corma, A.; Iglesias, M.; Sanchez, F. Organometallics 2010, 29, 4491.
860 citations
TL;DR: It is shown that carbon nanotubes with modified surface functionality efficiently catalyze the oxidative dehydrogenation of n-butane to butenes, especially butadiene, and a high selectivity to alkenes was achieved for periods as long as 100 hours.
Abstract: Butenes and butadiene, which are useful intermediates for the synthesis of polymers and other compounds, are synthesized traditionally by oxidative dehydrogenation (ODH) of n-butane over complex metal oxides. Such catalysts require high O2/butane ratios to maintain the activity, which leads to unwanted product oxidation. We show that carbon nanotubes with modified surface functionality efficiently catalyze the oxidative dehydrogenation of n-butane to butenes, especially butadiene. For low O2/butane ratios, a high selectivity to alkenes was achieved for periods as long as 100 hours. This process is mildly catalyzed by ketonic CO groups and occurs via a combination of parallel and sequential oxidation steps. A small amount of phosphorus greatly improved the selectivity by suppressing the combustion of hydrocarbons.
754 citations
TL;DR: In this paper, a modified ZSM-5 zeolite catalysts with a fixed bed continuous-flow reactor and with a temperature programmed reactor were used for the de-hydrogenation and aromatization of methane.
Abstract: The dehydrogenation and aromatization of methane on modified ZSM-5 zeolite catalysts has been studied under non-oxidizing conditions with a fixed bed continuous-flow reactor and with a temperature programmed reactor. The results show that benzene is the only hydrocarbon product of the catalytic conversion of methane at high temperature (973 K). The catalytic activity of ZSM-5 is greatly improved by incorporating a metal cation (Mo or Zn). H2 and ethene have been directly detected in the products with a mass spectrometer during TPAR. A carbenium ion mechanism for the activation of methane is suggested.
738 citations