Integrated process for converting methanol to gasoline and disti

Details Integrated process for converting methanol to gasoline and disti Integrated process for converting methanol to gasoline and disti

1991-10-01

1993-01-05

Pal, Asok

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

Same catalyst, solvent, or component thereof used in both...

585315, 585316, 585329, 585413, 585415, 585469, 585517, 585640, C07C 120

Patent

active

051772795

ABSTRACT:
An integrated process for the conversion of methanol feed to gasoline and distillate range liquid hydrocarbons comprising the steps of splitting the methanol feed into two portions, contacting the first portion of the methanol feed with a medium-pore shape selective zeolite catalyst in a first reaction zone at elevated temperature and moderate pressure to convert the first portion of the methanol feed to hydrocarbons comprising C.sub.2 + olefins; cooling and separating effluent from the first reaction zone to recover a C.sub.3 + olefin hydrocarbon stream and a C.sub.2 - light gas stream; pressurizing the C.sub.3 + olefin hydrocarbon stream and the second portion of the methanol feed and contacting the C.sub.3 + hydrocarbon stream and the methanol feed in a second reaction zone with a medium-pore shape selective oligomerization zeolite catalyst at substantially increased pressure and moderate temperature to convert at least a portion of the C.sub.3 + hydrocarbons and methanol feed to heavier liquid hydrocarbon product stream comprising olefinic gasoline and distillate range liquids.

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