The mechanism of aromatic dealkylation in methanol-to-hydrocarbons conversion on H-ZSM-5: What are the aromatic precursors to light olefins?

Aromatic dealkylation in methanol-to-hydrocarbons conversion on HZSM-5 occurs via the paring mechanism and 1,2,4,5 tetramethylbenzene is the predominant alkylbenzene precursor to ethylene and propene.