Reactor system for conversion of alcohols to ether-rich gasoline

Details Reactor system for conversion of alcohols to ether-rich gasoline Reactor system for conversion of alcohols to ether-rich gasoline

1990-07-10

1992-07-14

Johnston, Jill A.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

422190, B01J 804

Patent

active

051301016

ABSTRACT:
Methanol or other alcohol is converted to high octane gasoline components in an integrated apparatus wherein crude aqueous alcohol feedstock is extracted with a liquid extractant stream containing C.sub.4 + iso-olefin and reacted to form tertiary-alkyl ethers, such as MTBE. The aqueous raffinate is converted to olefinic hydrocarbons in a MTO catalytic reactor. Propene from the MTO reaction is reacted with water to produce di-isopropyl ether, which may be blended with MTBE and C.sub.6 +MTO hydrocarbons to produce high octane gasoline. Isobutylene and isoamylenes from the MTO reaction can be recovered and recycled as a liquid extractant stream.

REFERENCES:
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patent: 4831195 (1989-05-01), Harandi et al.
patent: 4886918 (1989-12-01), Sorensen et al.
patent: 4886925 (1989-12-01), Harandi
patent: 4906787 (1990-03-01), Huang et al.
patent: 4981491 (1991-01-01), Harandi et al.
patent: 5026529 (1991-06-01), Hirandi et al.
patent: 5064623 (1991-11-01), Hirandi et al.

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