the maximum yield on N2 is 14.0% at
320 ◦C for the sample supported on clay. And a higher conversion
from NO into N2 is obtained at lower temperatures for the
samples supported on Ti-PILC. Moreover, the maximum conversion
from NO into N2 at 280 ◦C increases remarkably from 42.6%
to 55.4% when Ti/clay rate enhances from 2.5 to 10. However,
with a further increase of Ti/clay rate from 10 to 40, the maximum
conversion from NO into N2 at 280 ◦C lessens from 55.4% to
47.7%.