A Comparative Characterization of the HPA-MCM-48 Type Catalysts Produced by the Direct Hydrothermal and Room Temperature Synthesis Methods

Table 2

Nitrogen physisorption results of the purely siliceous and HPA-incorporated catalysts.

Sample ID	BET S.A. (m^2/g)	𝑉𝑡 (cm^3/g)	𝑑𝑝 (nm)	Sample ID	BET S.A. (m^2/g)	𝑉𝑡 (cm^3/g)	𝑑𝑝 (nm)
MCM48-HTS	1134	0.907	2.2	MCM-48-RTS	1250	0.976	2.2
HTS-10%	898	0.626	1.7	RTS-10%	1241	0.789	2.3
HTS-20%	702	0.599	1.7	RTS-20%	1235	0.831	2.2
HTS-30%	402	0.290	1.8	RTS-30%	953	0.660	2.2
HTS-40%	231	0.318	1.7	RTS-40%	580	0.355	2.0

^∗𝑉_𝑡 (total pore volume) and 𝑑_𝑝 (average pore diameter) values were evaluated by using the BJH method and desorption data.