Concentration and distribution of the Brønsted and Lewis acid sites on the catalysts.

Catalyst	Concn. of B (mmol g−1)			Concn. of L (mmol g−1)					B/L
	Weak 200 °C	Medium 350 °C	Strong 450 °C	Total	Weak 200 °C	Medium 350 °C	Strong 450 °C	Total
HZSM-5	0.157	0.093	0.057	0.307	0.549	0.124	0.088	0.760	0.404
0.1-Zn/HZSM-5	0.151	0.071	0.032	0.253	0.633	0.245	0.214	1.092	0.232
0.3-Zn/HZSM-5	0.138	0.049	0.023	0.210	0.754	0.312	0.266	1.331	0.158
0.5-Zn/HZSM-5	0.056	0.020	0.017	0.092	0.979	0.611	0.527	2.117	0.044