Pt/SiO2;
supported catalyst;
rate oscillations;
CO oxidation;
D O I:
10.1007/BF02475308
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:
Self-sustained rate oscillations during isothermal CO oxidation over a 3.14 wt.% Pt/SiO2 catalyst are reported at a total pressure of 2.1 mbar. Oscillations prevail over a very wide range of CO/O-2 ratios and can be explained with external mass transfer limitations.