Synthesis and Characterization of Sibunit-Supported Pd-Ga, Pd-Zn, and Pd-Ag Catalysts for Liquid-Phase Acetylene Hydrogenation

被引：25

作者：

Glyzdova, D. V. ^{[1
,2
]}

Smirnova, N. S. ^{[1
]}

Leont'eva, N. N. ^{[2
]}

Gerasimov, E. Yu. ^{[3
]}

Prosvirin, I. P. ^{[3
]}

Vershinin, V. I. ^{[2
]}

Shlyapin, D. A. ^{[1
]}

Tsyrul'nikov, P. G. ^{[1
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Inst Hydrocarbons Proc, Omsk 644040, Russia

[2] Omsk State Univ, Omsk 644077, Russia

[3] Russian Acad Sci, Boreskov Inst Catalysis, Siberian Branch, Novosibirsk 630090, Russia

来源：

KINETICS AND CATALYSIS | 2017年 / 58卷 / 02期

关键词：

liquid-phase acetylene hydrogenation; palladium catalyst; doping of catalysts; Pd-Ga; Pd-Zn; Pd-Ag catalysts; GALLIUM INTERMETALLIC COMPOUNDS; SELECTIVE HYDROGENATION; SURFACE CHARACTERIZATION; IN-SITU; PART II; STABILITY; PD2GA; PHENYLACETYLENE; PERFORMANCE; PARTICLES;

D O I：

10.1134/S0023158417020057

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：140 / 146

页数：7

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