Probing the Catalytic Efficiency of Supported Heteropoly Acids for Esterification: Effect of Weak Catalyst Support Interactions

Table 1

The texture of various supported HPW catalysts obtained from nitrogen adsorption.

Catalyst	Calcination (°C)	Surface area (m^2/g)	Pore diameter (A°)	Pore volume (cm^3/g)
HPW	100	2	81	0.40
HPW-S	200	218	122	0.663
HPW-K	200	9	75	0.018
HPW-B	200	8	111	0.021
HPW-M	200	169	60	0.254