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- W2017549369 abstract "The conversions of methanol, dimethyl ether, ethylene, propene, 1-butene, and 3,3-dimethyl-1-butene by reaction on various H-ZSM-5 catalysts at 370–380 °C demonstrate the importance of a carbenium ion mechanism in the formation of various aliphatic (C1C6) and aromatic (C6C10) hydrocarbons. C2C4 olefin reactions occur in a way very similar to the classical conjunct polymerization of olefins. The initial step in the formation of aromatics is a “concerted” cycloaddition of an olefin and a carbenium ion which is favored by the unique structural properties of the zeolite. From correlations between the SiAl ratio and yields in aromatics and C4 aliphatics, it is proposed that strong acid sites are responsible for the dehydrocyclization of C6+ olefins into aromatics. Some evidence is also presented for alkylation reactions. Some of the unique properties of H-ZSM-5 are apparently due to the combination of strongly acidic and molecular sieving properties." @default.
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- W2017549369 date "1980-06-01" @default.
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- W2017549369 title "Reaction pathways for the conversion of methanol and olefins on H-ZSM-5 zeolite" @default.
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- W2017549369 doi "https://doi.org/10.1016/0021-9517(80)90086-x" @default.
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