Interaction of iron with palladium in Pd-Fe catalysts supported on Sibunit carbon material for selective acetylene hydrogenation

Interaction of iron with palladium in Pd-Fe catalysts supported on Sibunit carbon material for selective acetylene hydrogenation Научная публикация

Журнал

Catalysis Letters
ISSN: 1011-372X , E-ISSN: 1572-879X

Вых. Данные

Год: 2026, Том: 156, Номер статьи : 137, Страниц : 11 DOI: 10.1007/s10562-026-05379-4

Ключевые слова

Pd-Fe, Bimetallic catalyst, Carbon support, Acetylene hydrogenation, Ethylene production

Авторы

Yurpalova Daria V. ¹ , Vinokurov Zakhar S. ² , Khramov Evgeny V. ³ , Prosvirin Igor P. ⁴ , Bukhtiyarov Andrey V. ² , Panafidin Maxim A. ² , Gerasimov Evgeny Yu. ⁴ , Anoshkina Elena A. ¹ , Yurpalov Vyacheslav L. ¹

Организации

1	Center of New Chemical Technologies BIC, Boreskov Institute of Catalysis
2	Synchrotron Radiation Facility SKIF, Boreskov Institute of Catalysis
3	National Research Center “Kurchatov Institute”
4	Boreskov Institute of Catalysis

Информация о финансировании (2)

1	Министерство науки и высшего образования Российской Федерации	FWUR-2024-0042
2	Министерство науки и высшего образования Российской Федерации	FWUR-2024-0039

New bimetallic Pd-Fe catalysts supported on mesoporous Sibunit carbon material were obtained for the process of producing ethylene via selective hydrogenation of acetylene. The formation of active component in a reducing medium was studied in detail. Increasing the catalyst treatment temperature in H2 up to 600 °C leads to the formation of bimetallic iron-palladium particles of a solid Pd(1-x)Fex solution which was found by in situ XRD, XANES, EXAFS, XPS and HR TEM. Palladium atoms preferentially adjoin to iron atoms after alloying, which leads to a change in the electronic state of palladium. Catalytic properties of Pd-Fe/Sibunit sample reduced in H2 at 500 °C are close to the unmodified catalyst (ethylene yield is 51%), since iron and palladium have a weak interaction. Reduction of Pd-Fe catalysts at 600–700 °C leads to increase of selectivity and, despite of lower activity, allows to produce ethylene with a higher yield of 70%. The increase in selectivity is due to the modifying effect of iron on the electronic and geometric properties of palladium in bimetallic particles.

Yurpalova D.V. , Vinokurov Z.S. , Khramov E.V. , Prosvirin I.P. , Bukhtiyarov A.V. , Panafidin M.A. , Gerasimov E.Y. , Anoshkina E.A. , Yurpalov V.L.
Interaction of iron with palladium in Pd-Fe catalysts supported on Sibunit carbon material for selective acetylene hydrogenation
Catalysis Letters. 2026. V.156. 137 :1-11. DOI: 10.1007/s10562-026-05379-4

Поступила в редакцию:	10 мар. 2026 г.
Принята к публикации:	3 апр. 2026 г.
Опубликована в печати:	27 апр. 2026 г.
Опубликована online:	27 апр. 2026 г.

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