fig7

Figure 7. The total ¹³C content and isotopic labeling patterns in the effluent olefins (A, B) and retained polyMBs (C, D) after co-reacting ¹³C-methanol with ¹²C-n-butene (molar ratio 5.4:1) for 120 s over L-ZSM-11 and S-ZSM-11 at 350 °C.