Conversion of oxygenates to gasoline at variable space velocity

Details Conversion of oxygenates to gasoline at variable space velocity Conversion of oxygenates to gasoline at variable space velocity

1987-12-15

1989-03-21

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By ring formation from nonring moiety, e.g., aromatization,...

585640, 585733, C07C 1120

Patent

active

048145360

ABSTRACT:
An improved MTG process for converting lower aliphatic C.sub.1 -C.sub.4 oxygenates, such as methanol, to gasoline boiling range hydrocarbons is disclosed which is capable of obtaining improved cycle average gasoline yields and improved catalyst life by programming the methanol WHSV from high values at essentially quantitative methanol conversion at the start of a cycle to low values at essentially quantitative methanol conversion at the end of a cycle.

REFERENCES:
patent: 3931349 (1976-01-01), Kuo
patent: 3998899 (1976-12-01), Daviduk et al.
patent: 4044061 (1977-08-01), Chang et al.
patent: 4404414 (1983-09-01), Penick et al.
patent: 4423272 (1983-12-01), Forbus et al.

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