Process for the preparation of linear olefins and use...

Details Process for the preparation of linear olefins and use... Process for the preparation of linear olefins and use...

2007-06-05

2007-06-05

Parsa, J. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S454000, C518S700000, C585S324000, C208S067000, C208S108000

Reexamination Certificate

active

10842403

ABSTRACT:
Process for the preparation of a mixture comprising C5+ linear olefins, which process comprises the steps of(a) reacting carbon monoxide and hydrogen in the presence of an effective amount of Fischer-Tropsch catalyst under Fischer-Tropsch reaction conditions;(b) separating from the hydrocarbon mixture thus prepared at least one hydrocarbon fraction, of which at least 95% by weight consists of hydrocarbons containing 15 carbon atoms or more;(c) contacting this hydrocarbon fraction with hydrogen in the presence of an effective amount of hydrogenation catalyst under hydrogenation conditions;(d) subjecting the hydrogenated hydrocarbon fraction thus obtained to a mild thermal cracking treatment; and(e) separating from the cracked product thus prepared the mixture comprising C5+ linear olefins.

REFERENCES:
patent: 4469895 (1984-09-01), Knifton et al.
patent: 4579986 (1986-04-01), Sie
patent: 4619757 (1986-10-01), Zimmermann
patent: 6051743 (2000-04-01), Bahrmann et al.
patent: 6497812 (2002-12-01), Schinski
patent: 6756411 (2004-06-01), Betts et al.
patent: 0584879 (1993-08-01), None
patent: WO 97/01521 (1997-01-01), None

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