Synthesis of NiO/Y₂O₃/ZrO₂ Catalysts Prepared by One-Step Polymerization Method and Their Use in the Syngas Production from Methane

Table 1

Physical-chemical properties of the catalysts and TPR analyses results.

Sample	Average crystallite size (nm)			% reduction of NiO (TPR)	Surface area (m^2·g^−1)	Metallic dispersion (DM)
	ZrO2	NiO	Ni°
20YZ	7.2	—	—	—	39	—
10Ni20YZ	5.1	14.8	15.0	50	30	6.7
20Ni20YZ	4.9	19.0	25.8	67	17	3.9
40Ni20YZ	4.3	27.6	33.1	81	13	3.0