An efficient ruthenium catalyst for selective hydrogenation of ortho-chloronitrobenzene prepared via assembling ruthenium and tin oxide nanoparticles

被引：139

作者：

Zuo, BJ

Wang, Y ^{[1
]}

Wang, QL

Zhang, JL

Wu, NZ

Peng, LD

Gui, LL

Wang, XD

Wang, RM

Yu, DP

机构：

[1] Peking Univ, Coll Chem & Mol Engn, State Key Lab Struct Chem Unstable & Stable Speci, Beijing 100871, Peoples R China

[2] Shandong Univ, Dept Chem, Jinan 250100, Peoples R China

[3] Peking Univ, Sch Phys, Electron Microscopy Lab, Beijing 100871, Peoples R China

来源：

JOURNAL OF CATALYSIS | 2004年 / 222卷 / 02期

基金：

中国国家自然科学基金;

关键词：

ruthenium; nanoparticles; tin dioxide sol; gel; catalyst; hydrogenation; ortho-chloronitrobenzene;

D O I：

10.1016/j.jcat.2003.12.007

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：

A Ru/SnO2 catalyst was prepared by capturing "unprotected" Ru nanoclusters on SnO2 colloidal particles via electrostatic interaction followed by gelating the obtained complex sol by adjusting its pH value to 7. The assembled Ru/Sn02 catalyst performed excellently in selectively hydrogenating ortho-chloronitrobenzene to the corresponding o-chloroaniline, the catalytic activity surpassing that of previously reported Ru catalysts and the selectivity for ortho-chloroaniline in agreement with the best results reported so far on a colloidal Ru catalyst. Obvious promotional effects of the SnO2 support on both the catalytic activity and the selectivity were observed for the first time. A decrease of the reactivity of the C-Cl bond of o-chloroaniline over the present catalyst is one of the predominant reasons for the high selectivity at complete conversion. The catalyst structure was characterized by STEM, XPS, BET, and XRD. (C) 2004 Elsevier Inc. All rights reserved.

引用

页码：493 / 498

页数：6

共 28 条

[1] Infrared studies on SnO2 and Pd/SnO2 [J].

Amalric-Popescu, D ;

Bozon-Verduraz, F .

CATALYSIS TODAY, 2001, 70 (1-3) :139-154

[2]

Bönnemann H, 2000, EUR J INORG CHEM, P819

[3] INFLUENCE OF SUPPORT AND METALLIC PRECURSOR ON THE HYDROGENATION OF P-CHLORONITROBENZENE OVER SUPPORTED PLATINUM CATALYSTS [J].

COQ, B ;

TIJANI, A ;

DUTARTRE, R ;

FIGUERAS, F .

JOURNAL OF MOLECULAR CATALYSIS, 1993, 79 (1-3) :253-264

[4] INFLUENCE OF ALLOYING PLATINUM FOR THE HYDROGENATION OF PARA-CHLORONITROBENZENE OVER PTM/AL2O3 CATALYSTS WITH M = SN, PB, GE, AL, ZN [J].

COQ, B ;

TIJANI, A ;

FIGUERAS, F .

JOURNAL OF MOLECULAR CATALYSIS, 1992, 71 (03) :317-333

[5] COLLOIDAL SEMICONDUCTORS IN SYSTEMS FOR THE SACRIFICIAL PHOTOLYSIS OF WATER .1. PREPARATION OF A PT/TIO2 CATALYST BY HETEROCOAGULATION AND ITS PHYSICAL CHARACTERIZATION [J].

FURLONG, DN ;

WELLS, D ;

SASSE, WHF .

JOURNAL OF PHYSICAL CHEMISTRY, 1985, 89 (04) :626-632

[6] Synthesis and characterization of catalysts based on ligand-stabilized clusters incorporated in mesoporous oxides [J].

Junges, U ;

Schuth, F ;

Schmid, G ;

Uchida, Y ;

Schlogl, R .

BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1997, 101 (11) :1631-1634

[7] Preparation method for supported metal catalysts using w/o microemulsion: Study on immobilization conditions of metal particles by hydrolysis of alkoxide [J].

Kishida, M ;

Hanaoka, T ;

Nagata, H ;

Wakabayashi, K .

CATALYSIS TODAY, 1998, 45 (1-4) :203-208

[8] Synthetic insertion of gold nanoparticles into mesoporous silica [J].

Kónya, Z ;

Puntes, VF ;

Kiricsi, I ;

Zhu, J ;

Ager, JW ;

Ko, MK ;

Frei, H ;

Alivisatos, P ;

Somorjai, GA .

CHEMISTRY OF MATERIALS, 2003, 15 (06) :1242-1248

[9] Novel two-step synthesis of controlled size and shape platinum nanoparticles encapsulated in mesoporous silica [J].

Kónya, Z ;

Puntes, VF ;

Kiricsi, I ;

Zhu, J ;

Alivisatos, P ;

Somorjai, GA .

CATALYSIS LETTERS, 2002, 81 (3-4) :137-140

[10] Polymer-induced selectivity enhancement in the hydrogenation of 2-hexyne catalyzed by poly(vinylpyrrolidone)-stabilized platinum colloids in an amorphous mixed metal oxide support [J].

Lange, C ;

De Caro, D ;

Gamez, A ;

Storck, S ;

Bradley, JS ;

Maier, WF .

LANGMUIR, 1999, 15 (16) :5333-5338

← 1 2 3 →