fig7
Figure 7. The lifetime of Re-Ti-MWW in the epoxidation of AAL. Reaction conditions: catalyst, 1 g; temperature, 313-323 K; AAL/H2O2 molar ratio, 1.5; solvent/AAL mass ratio, 4; WHSV(H2O2) = 0.4 h-1; 500 rpm. AAL: Allyl alcohol; WHSV: weight hourly space velocity.
