Table 1. Structural Properties of X-NiCu/EXVTM-SiO₂ Reduced Catalysts.

	surface areaa (m2/g)					actual loadingd (wt %)
catalyst	reduced	spent	pore volumeb (cm3/g)	pore sizeb (nm)	X-NiCu/EXVTM-SiO2 sizec (nm)	Ni	Cu
La-NiCu/EXVTM-SiO2	248.7	162.2	0.101	3.27	10.6	10.1	2.25
Ce-NiCu/EXVTM-SiO2	253.7	168.3	0.102	3.27	7.4	10.6	2.46
Zr-NiCu/EXVTM-SiO2	249.7	158.2	0.100	3.18	10.5	10.1	2.27
NiCu/EXVTM-SiO2	354.3	198.6	0.148	3.13	9.1	10.4	2.34

^aObtained from the BET method.

^bThe pore volume and pore diameter were obtained with the BJH approach.

^cCalculation from TEM particle size data.

^dMeasured by ICP-OES.