fig4
![Effect of crystal size of ZSM-11 zeolite on the catalytic performance and reaction route in methanol to olefins](https://image.oaes.cc/d44e0c23-0d63-49c9-9fe7-d2596297bb06/5830.fig.4.jpg)
Figure 4. (A) Product selectivity and 2-MB/E ratio over various ZSM-11 zeolites under iso-conversion of methanol (about 18 %) at 350 °C and 30 min time on stream; (B) Variation of methanol conversion rate with the reaction temperature over various ZSM-11 zeolites at the same WHSVmethanol.