2.1.3. MoO3 loaded on ySi/Al(c) and ySi/Al (n)
The catalysts of supported molybdena were prepared by
impregnating the supports, i.e. Al(c), Al(n), ySi/Al(c) and ySi/Al(n),
with an appropriate amount of ammonium molybdate (AR) solution
under stirring for 6 h, then dried at 373 K, and finally
calcined at 823 K for 8 h in air. The prepared catalysts were
denoted as xMo/ySi/Al(c) and xMo/ySi/Al(n), respectively, where
x is the MoO3 loading in weight percent (wt.%). The catalysts
were pressed and crushed to particles of 20–40 mesh
for 1-butene metathesis reaction and performed corresponding
characterization.