Catalyst pretreatment for olefin hydration

Details Catalyst pretreatment for olefin hydration Catalyst pretreatment for olefin hydration

1990-04-26

1991-04-30

Mars, Howard T.

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

Organic compounds

Oxygen containing

568897, C07C 4105, C07C 2904

Patent

active

050120140

ABSTRACT:
A process for production of alcohol or ether by hydration of olefinic feedstock containing at least one lower alkene by contacting the olefinic feedstock and water in a hydration zone with porous solid metal oxide acidic olefin hydration catalyst under olefins hydration conditions. The process is characterized by the step of pretreating porous solid catalyst, such as acid zeolite, prior to contacting with the olefinic feedstock with a wetting agent containing at least one polar aliphatic oxygenated hydrocarbon to substantially wet said solid catalyst and sorb said wetting agent into pores of said solid catalyst. After initiating hydration reaction by feeding the olefinic feedstock and water, increased catalytic activity is obtained. The process is particularly useful for making isopropanol and DIPE from propene and water.

REFERENCES:
patent: 3678118 (1972-07-01), Frampton et al.
patent: 4857664 (1989-08-01), Huang et al.

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