KINETICS OF NITRILE HYDROGENATION. The effect of Palladium Particle Size in Pd/Al2O3 Catalysts

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F18%3A43916330" target="_blank" >RIV/60461373:22310/18:43916330 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.icct.cz/AngiologyKlon-ICCT/media/system/2018/ICCT-2018-Proceedings.pdf" target="_blank" >https://www.icct.cz/AngiologyKlon-ICCT/media/system/2018/ICCT-2018-Proceedings.pdf</a>

DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

KINETICS OF NITRILE HYDROGENATION. The effect of Palladium Particle Size in Pd/Al2O3 Catalysts

Popis výsledku v původním jazyce

Heterogeneously catalyzed nitrile hydrogenation is one of the basic methods of industrial production of many important amines. Generally, this reaction leads to a mixture of primary, secondary and tertiary amines. The chemical nature of metal in the catalyst has decisive influence on the reaction selectivity; the effects of other reaction parameters are much less pronounced. In this study, the effect of palladium particle size in Pd/Al2O3 catalysts on the kinetics of hydrogenation of model nitrile, isobutyronitrile, has been studied. The mixture of diisobutylamine and triisobutylamine was the product of the liquid-phase hydrogenation catalyzed by series of 2.9% Pd/Al2O3 catalysts varied in their size of elementary Pd crystallites with the range of 2.2 to 32 nm. The specific activity of the catalyst in the hydrogenation was found to decrease with increasing value of particle size. Further, an increase of Pd particle size resulted in a slightly increased formation of the secondary amine at the expense of the tertiary one.

Název v anglickém jazyce

KINETICS OF NITRILE HYDROGENATION. The effect of Palladium Particle Size in Pd/Al2O3 Catalysts

Popis výsledku anglicky

Heterogeneously catalyzed nitrile hydrogenation is one of the basic methods of industrial production of many important amines. Generally, this reaction leads to a mixture of primary, secondary and tertiary amines. The chemical nature of metal in the catalyst has decisive influence on the reaction selectivity; the effects of other reaction parameters are much less pronounced. In this study, the effect of palladium particle size in Pd/Al2O3 catalysts on the kinetics of hydrogenation of model nitrile, isobutyronitrile, has been studied. The mixture of diisobutylamine and triisobutylamine was the product of the liquid-phase hydrogenation catalyzed by series of 2.9% Pd/Al2O3 catalysts varied in their size of elementary Pd crystallites with the range of 2.2 to 32 nm. The specific activity of the catalyst in the hydrogenation was found to decrease with increasing value of particle size. Further, an increase of Pd particle size resulted in a slightly increased formation of the secondary amine at the expense of the tertiary one.

Druh

D - Stať ve sborníku

CEP obor

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OECD FORD obor

20501 - Materials engineering

Projekt

<a href="/cs/project/LO1613" target="_blank" >LO1613: Výzkum nových materiálů pro chemický průmysl</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

PROCEEDINGS of the 6th International Conference on Chemical Technology

ISBN

978-80-86238-77-7

ISSN

2336-8128

e-ISSN

neuvedeno

Počet stran výsledku

4

Strana od-do

364-367

Název nakladatele

Česká společnost průmyslové chemie (ČSPCH)

Místo vydání

Praha

Místo konání akce

Mikulov

Datum konání akce

16. 4. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

000461293800067