Fig. 6: Implementing the coke transformation strategy over CAT catalysts in a pilot plant.

a MTO reaction performances over the CAT-Coked sample completely regenerated by air combustion at 953 K (abbreviated as CAT-Coked@Air) and treated by steam at 953 K with the water feed of 500 g h−1 (abbreviated as CAT-Coked@H2O-a). b MTO reaction performances over the CAT-Coked@Air sample and CAT-Coked sample treated by steam at 953 K with the water feed of 300 g h−1 (abbreviated as CAT-Coked@H2O-b).