Synthesis and characterization of activated carbon-supported copper or nickel and their catalytic behavior towards benzaldehyde hydrogenation

被引：31
|
作者：
Merabti, R. [1 ]
Bachari, K. [1 ,2 ]
Halliche, D. [1 ]
Rassoul, Z. [1 ]
Saadi, A. [1 ]
机构：
[1] USTHB, Fac Chim, Lab Chim Gaz Nat, Algiers 16111, Algeria
[2] Ctr Rech Sci & Tech Anal Physicochim CRAPC, Algiers 16004, Algeria
来源：
REACTION KINETICS MECHANISMS AND CATALYSIS | 2010年 / 101卷 / 01期
关键词：
Copper; Nickel; Activated carbon; Hydrogenation; Benzaldehyde; SELECTIVE HYDROGENATION; CHROMITE CATALYSTS; SURFACE-CHEMISTRY; METHANATION SITES; ADSORPTION; REDUCTION; ALDEHYDES; ALUMINA; SUBSTANCES;
D O I：
10.1007/s11144-010-0215-x
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：
Activated carbon-supported Ni and Cu catalysts were prepared by the conventional wetness impregnation method, and their catalytic activity for benzaldehyde hydrogenation/hydrogenolysis was tested at atmospheric pressure in the temperature range of 100-250 A degrees C. Benzyl alcohol, toluene and methylcyclohexane were obtained through consecutive hydrogenation/hydrogenolysis reactions while benzene was formed by a parallel hydrogenolysis reaction. The obtained yields depended on the nature of the metal active phase and reaction conditions. The catalysts were characterized by ICP, BET, TEM and XRD techniques and their reducibilities were determined by hydrogen chemisorption. The factors governing the catalytic performances are discussed.
引用
收藏
页码：195 / 208
页数：14
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