Table 1.

Composition, textural properties, crystallite sizes and HSiW surface area of HSiW/X catalysts.

Catalyst	HPA content (wt. %)	Surface area (m2 g−1)		Pore volume (cm3 g−1)		Pore diameter (nm)		d (nm)	As (m2g−1)
		Support	Catalyst	Support	Catalyst	Support	Catalyst	Catalyst
HSiW (bulk)	100	—	8	—	—	—	—
HSiW/TiO2	52	53	40	0.25	0.17	50	52	24	45.1
HSiW/SiO2	73	129	42	0.66	0.11	41	45	29	37.3
HSiW/ZrO2	46	39	27	0.27	0.04	46	14	17	63.7
HSiW/BN	28	25	15	0.10	0.06	10–100	23, 65	15	72.2
HSiW/Al2O3	74	147	49	0.44	0.05	9, 12	9	10	108.3
HSiW/CeO2	61	74	57	0.21	0.05	47	10	12	90.2