KINETICS OF PHENOL HYDROGENATION OVER PD-CONTAINING HYPERCROSSLINKED POLYSTYRENEстатья

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Scopus, Web of Science
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Дата последнего поиска статьи во внешних источниках: 13 ноября 2019 г.

Работа с статьей


[1] Kinetics of phenol hydrogenation over pd-containing hypercrosslinked polystyrene / E. M. Sulman, M. G. Sulman, A. I. Bykov et al. // Chemical Engineering Journal. — 2011. — Vol. 176. — P. 33–41. Hypercrosslinked polystyrene (HPS) has been used as a support for preparation of the palladium-based catalyst, Pd/HPS, for gas phase hydrogenation of phenol to cyclohexanone. At the phenol conversion 99%, the catalyst provides selectivity for ketone not lower than 95mol%. The Pd/HPS catalyst showed high stability, retaining its catalytic performance at least for 20 days. Kinetics was used to compare Pd/HPS with the commercial Pd/Al2O3 catalyst. The catalytic efficiency was assessed using the derived dimensionless kinetic equation without a 'time' parameter. Three major reaction routes with their rate parameters and activation energies were revealed. From kinetic parameters, the maximum possible yield of cyclohexanone in the temperature range of 120-180oC was determined. The important feature of the Pd/HPS catalyst is that selectivity is independent of the temperature at a certain phenol conversion. At elevated temperatures (160-180oC), the selectivity is at least 2-3% higher as compared to the commercial catalyst Pd/Al2O3, which makes Pd/HPS largely promising for industrial applications. [ DOI ]

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