Реферат: The Pt-ReOx species (x ≤ 1) of atomic dispersion were formed and stabilized on the titania surface. Their size, charge and chemical composition were characterized by means of HRTEM/STEM with EDX mapping, XPS, FTIR. It was shown these centers with Re:Pt = 2 are highly active and selective in hydrogenation of carboxylic acid to alcohol under very mild conditions (T = 110 C, P = 50 bar). The reaction rate constant for hydrogenation of hexanoic acid increased linearly with Pt content. As for Ru-NPy pair in homogeneous pincer-type complexes, the neighboring Pt-O atoms form a similar pair capable to dissociate H2 heterolytically with generation of Pt hydride to hydrogenate the carbonyl group of acid. Indeed, the TOF (40 h-1) and selectivity (99%) are approaching those of homogeneous catalyst. The first order kinetic model described well the kinetic data obtained in a wide range of reaction conditions.

Библиографическая ссылка: Suknev A.P. , Zaikovskii V.I. , Kaichev V.V. , Paukshtis E.A. , Sadovskaya E.M. , Balʹzhinimaev B.S.
Selective Hydrogenation of Hexanoic Acid to Hexanol Under Mild Conditions over Titania-Based Pt-Re Catalyst
В сборнике EuropaCat XII. Catalysis: Balancing the use of fossil and renewable resources. XII European Congress on Catalysis, Kazan (Russia), 30 August - 4 September, 2015 : Book of Abstracts. – BIC SB RAS., 2015. – C.1605-1606. – ISBN 978-5-906376-10-7.

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