Catalytic olefin hydration for ether production

Details Catalytic olefin hydration for ether production Catalytic olefin hydration for ether production

1990-07-25

1992-11-10

Mars, Howard T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568697, 568897, C07C 4106, C07C 4101

Patent

active

051625911

ABSTRACT:
A process for production of dialkyl ether by hydration and etherification of olefinic feedstock containing at least one lower alkene by contacting the olefinic feedstock and water in a catalytic reaction zone with porous solid metallosilicate acidic catalyst under olefin hydration and etherification conditions. Improvement is achieved by recovering a first fluid effluent stream from the reaction zone; splitting the first fluid effluent stream into a liquid product recovery stream and a fluid recycle stream; and passing the fluid recycle stream consisting essentially of olefin, alcohol and ether in effluent stream proportions for feeding to the reaction zone along with fresh olefinic feedstock and fresh water, wherein the amount of fluid recycle stream is sufficient to maintain a homogeneous single fluid reaction phase in the reaction zone.

REFERENCES:
patent: 4269781 (1981-05-01), Vanderspurt et al.
patent: 4334890 (1982-06-01), Kochar et al.
patent: 4414397 (1983-11-01), Powell
patent: 4579984 (1986-04-01), Neier et al.
patent: 4724252 (1988-02-01), Rasshofer
patent: 4740531 (1988-04-01), Rasshofer

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