Determination of the prevailing -butenes dimerization mechanism over nickel containing Al-MCM-41/ZSM-5 mixed-phase catalysts
Nickel modified mixed-phase catalysts containing both mesoporous Al-MCM-41 and microporous ZSM-5 phases were synthesized via a one-pot synthesis. By varying the composition of the catalysts, optimum values regarding Si/Al ratio and nickel content for a highly selective dimerization of n -butenes wer...
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| Veröffentlicht in: | Catalysis science & technology 2019-05, Vol.9 (1), p.2456-2468 |
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| creator | Alscher, Felix Nadolny, Fabian Frenzel, Henrik Knossalla, Johannes Peitz, Stephan Borovinskaya, Ekaterina Breitkopf, Cornelia Franke, Robert Reschetilowski, Wladimir |
| description | Nickel modified mixed-phase catalysts containing both mesoporous Al-MCM-41 and microporous ZSM-5 phases were synthesized
via
a one-pot synthesis. By varying the composition of the catalysts, optimum values regarding Si/Al ratio and nickel content for a highly selective dimerization of
n
-butenes were identified. An interaction of nickel sites with vicinal aluminum or acid sites can be assumed, since a correlation between Ni/(Al + Ni) ratio, catalytic activity and selectivity was found. Novel approaches to evaluate the contribution of the cationic or coordinative reaction mechanism to the overall reaction course are proposed.
Novel approaches to evaluate the contribution of the cationic or coordinative reaction mechanism to the overall reaction course are proposed. |
| doi_str_mv | 10.1039/c9cy00055k |
| format | Article |
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via
a one-pot synthesis. By varying the composition of the catalysts, optimum values regarding Si/Al ratio and nickel content for a highly selective dimerization of
n
-butenes were identified. An interaction of nickel sites with vicinal aluminum or acid sites can be assumed, since a correlation between Ni/(Al + Ni) ratio, catalytic activity and selectivity was found. Novel approaches to evaluate the contribution of the cationic or coordinative reaction mechanism to the overall reaction course are proposed.
Novel approaches to evaluate the contribution of the cationic or coordinative reaction mechanism to the overall reaction course are proposed.</description><identifier>ISSN: 2044-4753</identifier><identifier>EISSN: 2044-4761</identifier><identifier>DOI: 10.1039/c9cy00055k</identifier><ispartof>Catalysis science & technology, 2019-05, Vol.9 (1), p.2456-2468</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Alscher, Felix</creatorcontrib><creatorcontrib>Nadolny, Fabian</creatorcontrib><creatorcontrib>Frenzel, Henrik</creatorcontrib><creatorcontrib>Knossalla, Johannes</creatorcontrib><creatorcontrib>Peitz, Stephan</creatorcontrib><creatorcontrib>Borovinskaya, Ekaterina</creatorcontrib><creatorcontrib>Breitkopf, Cornelia</creatorcontrib><creatorcontrib>Franke, Robert</creatorcontrib><creatorcontrib>Reschetilowski, Wladimir</creatorcontrib><title>Determination of the prevailing -butenes dimerization mechanism over nickel containing Al-MCM-41/ZSM-5 mixed-phase catalysts</title><title>Catalysis science & technology</title><description>Nickel modified mixed-phase catalysts containing both mesoporous Al-MCM-41 and microporous ZSM-5 phases were synthesized
via
a one-pot synthesis. By varying the composition of the catalysts, optimum values regarding Si/Al ratio and nickel content for a highly selective dimerization of
n
-butenes were identified. An interaction of nickel sites with vicinal aluminum or acid sites can be assumed, since a correlation between Ni/(Al + Ni) ratio, catalytic activity and selectivity was found. Novel approaches to evaluate the contribution of the cationic or coordinative reaction mechanism to the overall reaction course are proposed.
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via
a one-pot synthesis. By varying the composition of the catalysts, optimum values regarding Si/Al ratio and nickel content for a highly selective dimerization of
n
-butenes were identified. An interaction of nickel sites with vicinal aluminum or acid sites can be assumed, since a correlation between Ni/(Al + Ni) ratio, catalytic activity and selectivity was found. Novel approaches to evaluate the contribution of the cationic or coordinative reaction mechanism to the overall reaction course are proposed.
Novel approaches to evaluate the contribution of the cationic or coordinative reaction mechanism to the overall reaction course are proposed.</abstract><doi>10.1039/c9cy00055k</doi><tpages>13</tpages></addata></record> |
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| source | Royal Society Of Chemistry Journals 2008- |
| title | Determination of the prevailing -butenes dimerization mechanism over nickel containing Al-MCM-41/ZSM-5 mixed-phase catalysts |
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