CONVERSION OF METHANOL TO HYDROCARBONS ON BIMETALLIC CATALYSTS ON THE BASIS OF ZSM-5
The conversion of methanol to hydrocarbons over ZSM-5 zeolite modified with transition metals – Zn, Zr and La – is described. The interdependence of reaction parameters – temperature, contact time, and catalyst acidity – in controlling C2–C3 olefins selectivity are is characterized and interpreted. It is found that binary modification of ZSM-5 increased the selectivity of target products. Some of the unique properties of La-Zr/НZSM-5 catalyst are apparently due to the combination of strongly acidic and weak acid sites
Keywords : zeolite, ZSM-5, HZSM, Zn, Zr, La, methanol, MTO, MTP, methanol-to-hydrocarbons
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