Process for the preparation of an olefin
OwnerJeroen Van Westrenen, Leslie Andrew Chewter +1inventors
InventorsJeroen Van Westrenen, Leslie Andrew Chewter, Ferry Winter
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Abstract
An olefin is prepared from an alkyl alcohol in a process, comprising the steps: a) converting the alkyl alcohol into a dialkylether over a first catalyst, to yield a dialkylether product stream containing alkyl alcohol, dialkylether and water; b) separating the dialkylether product stream into a vaporous dialkylether-rich stream and a liquid water-containing stream which water-containing stream comprises at most 5% wt of alkyl alcohol, based on the total weight of water and alkyl alcohol; and c) converting the vaporous dialkylether-rich stream to an olefin over a second catalyst, wherein the dialkylether product stream is enriched with a base.
Claims13
A process for the preparation of an olefin from an alkyl alcohol which process comprises the steps of:
- a) converting the alkyl alcohol into a dialkylether over a first catalyst, to yield a dialkylether product stream containing alkyl alcohol, dialkylether and water;
- b) separating the dialkylether product stream into a vaporous dialkylether-rich stream and a liquid water-containing stream which water-containing stream comprises at most 5% wt of alkyl alcohol, based on the total weight of water and alkyl alcohol;
- and
- c) converting the vaporous dialkylether-rich stream to an olefin over a second catalyst,
- wherein the dialkylether product stream is enriched with a base.
Dependencies are inferred from the claim text.