RELIABILITY OF PULSE-CHROMATOGRAPHIC NITROUS-OXIDE TITRATIONS OF THE COPPER SURFACE-AREA ON CU-ZNO-MEOX CATALYSTS IN CONNECTION WITH THE CHARACTERIZATION OF THEIR THERMOSTABILITY

被引：17

作者：

BERNDT, H

BRIEHN, V

EVERT, S

机构：

[1] Centre of Heterogeneous Catalysis, 0-1199 Berlin-Adlershof

来源：

APPLIED CATALYSIS A-GENERAL | 1992年 / 86卷 / 02期

关键词：

COPPER; NITROUS OXIDE; THERMOSTABILITY; ZINC OXIDE;

D O I：

10.1016/0926-860X(92)85138-2

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：

The reactive chemisorption of nitrous oxide on copper surfaces has been used to characterize the thermostability of CuO-ZnO-MeOx catalysts (Me: Mn, Cr, Al) for the hydrogenation of carbon monoxide to alcohol mixtures. An enhanced consumption of nitrous oxide has been observed on catalysts treated in hydrogen above 573 K. Additional nitrous oxide was consumed for the reoxidation of the partially reduced surface of the oxides. A method to avoid an over determination of copper surface areas is demonstrated.

引用

页码：65 / 69

页数：5

共 5 条

[1]

Bart J. C. J., 1987, CATAL TODAY, V2, P1

[2] PULSE-CHROMATOGRAPHIC N2O TITRATION OF THE COPPER SURFACE-AREA ON CU-ZNO-MEOX CATALYSTS IN CONNECTION WITH THEIR HYDROGEN ADSORPTION [J].