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Preparation of Ni-MCM-41 by equilibrium adsorption — Catalytic evaluation for the direct conversion of ethene to propene

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons86519

Wolff,  T.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86525

Zahn,  V. M.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86315

Hamel,  C.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86477

Seidel-Morgenstern,  A.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

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Citation

Lehmann, T., Wolff, T., Zahn, V. M., Veit, P., Hamel, C., & Seidel-Morgenstern, A. (2011). Preparation of Ni-MCM-41 by equilibrium adsorption — Catalytic evaluation for the direct conversion of ethene to propene. Catalysis Communications, 12(5), 368-374. doi:10.1016/j.catcom.2010.10.018.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-8CC9-3
Abstract
Ni-MCM-41 has been prepared by equilibrium adsorption of different nickel precursors. Nickel citrate and nickel nitrate gave the most active catalysts for the direct transformation of ethene into propene above 250 °C at atmospheric pressure. The maximal ethene conversion at 400 °C was 36% while propene selectivity reached 45%. Analysis of product formation spectra at different temperatures, residence times and inlet compositions revealed reaction kinetics consistent with a sequence of ethene dimerization, positional butene isomerization and propene retro-metathesis. [© 2010 Elsevier B.V. All rights reserved. - accessed February 1st, 2011]