OSCILLATIONS DURING THE INTERACTION BETWEEN CARBON-MONOXIDE AND OXYGEN ON PALLADIUM-CONTAINING CATALYSTS

被引:10
作者
TENCHEV, KK
PETROV, LA
SAVELIEVA, GA
SASS, AS
机构
[1] BULGARIAN ACAD SCI,INST KINET & CATALYSIS,BU-1113 SOFIA,BULGARIA
[2] ACAD SCI KASSR,INST ORGAN CATALYSIS & ELECTROCHEM,ALMA ATA,KAZAKHSTAN,USSR
关键词
ACTIVE SITES; CARBON MONOXIDE; HEAT EFFECT; OSCILLATIONS; PALLADIUM-CERIUM ALUMINA; PALLADIUM-COBALT ALUMINA; PALLADIUM ALUMINA;
D O I
10.1016/0926-860X(92)80023-6
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
Oscillations in the heat effect of the reaction and in the composition of the reaction products during the oxidation of carbon monoxide over Pd/Al2O3, Pd-Ce/Al2O3, and Pd-CO/Al2O3 catalysts under steady-state conditions have been studied. In situ infrared spectroscopy measurements identify the occurrence of different active sites and intermediate surface species during the oxidation reaction both in the oscillatory and non-oscillatory modes. Different types of oscillations, depending on the reaction conditions are described.
引用
收藏
页码:31 / 43
页数:13
相关论文
共 54 条
[41]   IR SPECTROSCOPIC INVESTIGATIONS DURING OSCILLATIONS OF THE CO/NO AND THE CO/O2 REACTION ON PT AND PD CATALYSTS .2. PALLADIUM [J].
SCHUTH, F ;
WICKE, E .
BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1989, 93 (04) :491-501
[42]  
SCHUTH F, 1988, THESIS MUNSTER
[43]  
SLINKO MG, 1980, USP KHIM+, V49, P561
[44]  
Slinko MG, 1978, PROBLEMS KINETICS CA, V17, P154
[45]   MECHANISM OF THE KINETIC OSCILLATIONS IN THE OXIDATION OF CO ON PALLADIUM DISPERSED WITHIN A ZEOLITE MATRIX [J].
SLINKO, MM ;
JAEGER, NI ;
SVENSSON, P .
JOURNAL OF CATALYSIS, 1989, 118 (02) :349-359
[46]   OSCILLATORY OXIDATION OF CO OVER A PT CATALYST [J].
TURNER, JE ;
SALES, BC ;
MAPLE, MB .
SURFACE SCIENCE, 1981, 103 (01) :54-74
[47]   OSCILLATORY OXIDATION OF CO OVER PD AND IR CATALYSTS [J].
TURNER, JE ;
SALES, BC ;
MAPLE, MB .
SURFACE SCIENCE, 1981, 109 (03) :591-604
[48]  
VISHNEVSKII AL, 1989, DOKL AKAD NAUK SSSR+, V304, P641
[49]  
VOZDIVIZHENSKII VF, 1985, DOKL AKAD NAUK SSSR, V283, P634
[50]  
Weisz P.B., 1957, Z PHYS CHEM, V11, P1, DOI [10.1524/zpch.1957.11.1_2.001, DOI 10.1524/ZPCH.1957.11.1_2.001]