C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/369
C07D 301/14 (2006.01) C07D 303/04 (2006.01) C07D 303/14 (2006.01) C07D 303/42 (2006.01)
Patent
CA 1244043
ABSTRACT OF THE DISCLOSURE The epoxidation of terminally and/or internally olefinically unsaturated hydrocarbon compounds which are liquid at 50°C to 100°C and at atmospheric pressure (oil phase), in which the oil phase is treated with an acid phase containing acetic acid, hydrogen peroxide and peracetic acid in aqueous solution, after which the aqueous acid phase is separated from the oil phase, the peracetic acid in the aqueous acid phase is regenerated and the regenerated aqueous acid phase is returned to the epoxidation reactor. Epoxidation is carried out using an aqueous acid phase containing at most about 10% by weight of peracetic acid, and the peracetic acid content in the aqueous acid phase is reduced by at most about 50%, based on the peracetic acid content of the aqueous acid phase used, after a single passage through the epoxidation stage. After separation from the oil phase, the aqueous acid phase preferably is cooled before regeneration.
498515
Eckwert Klemens
Gutsche Bernhard
Jeromin Lutz
Meffert Alfred
Peukert Eberhard
Henkel Kommanditgesellschaft Auf Aktien
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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