Table 1 shows the specific surface area, pore volume and average
pore diameter of g-Al2O3 support and Ni-based catalysts prepared
by different impregnation sequences. The results show that g-Al2O3
support has a specific surface area of 191 m2/g, which was
decreased to 148 m2/g (16Ni/Al2O3) after loaded with 16wt% Ni,
probably because the pores were blocked by part of NiO nanoparticles