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

Figure 4

Effect of temperature on the catalytic activities of supported HPW catalysts for the esterification of acetic acid with heptanol. (a) HPW-K, 0.02 (g), (b) HPW-B, 0.02 (g), (c) HPW-M 0.02 (g), (d) HPW-K, 0.1 (g), (e) HPW-B, 0.1 (g), and (f) HPW-M, 0.1 (g).

(a)

(b)

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(d)

(e)

(f)