Table 1: Effect of aging times on the catalytic performance.

Selectivity (%)
Aging time (minute)CO conversion (%)

60 78.2 32.0 24.3 9.0 3.4 7.0
120 87.3 22.2 30.1 10.2 3.7 7.3
180 80.2 21.4 26.2 10.0 3.9 6.2
240 72.1 27.4 23.2 8.5 2.4 6.9
300 69.1 22.9 18.1 9.7 1.5 6.1