Synthesis and characterization of Sibunit-supported Pd–Ga, Pd–Zn, and Pd–Ag catalysts for liquid-phase acetylene hydrogenation


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Resumo

Pd/Sibunit and Pd–M/Sibunit (M = Ga, Zn, or Ag) catalysts have been synthesized, and their catalytic properties in liquid-phase acetylene hydrogenation have been investigated. Doping of the palladium catalyst with a metal M leads to the formation of the Pd2Ga, PdZn, or Pd0.46Ag0.54 bimetallic compound. The bimetallic particles are much smaller (1.6–2.0 nm) than the monometallic palladium particles (4.0 nm). Doping with zinc raises the ethylene selectivity by 25% without affecting the activity of the catalyst. Specific features of the effect of each of the dopants on palladium are reported.

Sobre autores

D. Glyzdova

Institute of Hydrocarbons Processing, Siberian Branch; Omsk State University

Autor responsável pela correspondência
Email: omsk-glyzdova@mail.ru
Rússia, Omsk, 644040; Omsk, 644077

N. Smirnova

Institute of Hydrocarbons Processing, Siberian Branch

Email: omsk-glyzdova@mail.ru
Rússia, Omsk, 644040

N. Leont’eva

Omsk State University

Email: omsk-glyzdova@mail.ru
Rússia, Omsk, 644077

E. Gerasimov

Boreskov Institute of Catalysis, Siberian Branch

Email: omsk-glyzdova@mail.ru
Rússia, Novosibirsk, 630090

I. Prosvirin

Boreskov Institute of Catalysis, Siberian Branch

Email: omsk-glyzdova@mail.ru
Rússia, Novosibirsk, 630090

V. Vershinin

Omsk State University

Email: omsk-glyzdova@mail.ru
Rússia, Omsk, 644077

D. Shlyapin

Institute of Hydrocarbons Processing, Siberian Branch

Email: omsk-glyzdova@mail.ru
Rússia, Omsk, 644040

P. Tsyrul’nikov

Institute of Hydrocarbons Processing, Siberian Branch

Email: omsk-glyzdova@mail.ru
Rússia, Omsk, 644040

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