The Impact of Ce-Zr Addition on Nickel Dispersion and Catalytic Behavior for CO₂ Methanation of Ni/AC Catalyst at Low Temperature

Table 2

Textural properties of AC, 7 Ni/AC, and 7 Ni/CeZrAC catalysts.

Catalyst samples	(m^2g^−1)	(m^2g^−1)	(m^2g^−1)	(cm^3g^−1)	(cm^3g^−1)	(nm)
AC	1159	1139	20	0.5025	0.0323	1.85
7 Ni/AC	923	908	15	0.3943	0.0302	1.84
7 Ni/CeZrAC	705	547	158	0.2404	0.3433	3.29

: BET surface area; , , and : micropore, external surface area, and micropore volume, calculated from -plot method; : mesopore volume, calculated from BJH (Barrett-Joyner-Halenda) method; : Average pore width, calculated from .