Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1985-12-26
1987-03-03
Milestone, Norma S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549525, C07D30114
Patent
active
046476784
ABSTRACT:
The epoxidation of terminally and/or internally olefinically unsaturated hydrocarbon compounds which are liquid at 50.degree. to 100.degree. 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.
REFERENCES:
H. K. Latourette J. Am. Oil Chem. S. 37 1960, pp. 559-563.
H. K. Latourette J. Am. Oil Chem. S 34 1957, pp. 161-164.
Eckwert Klemens
Gutsche Bernhard
Jeromin Lutz
Meffert Alfred
Peukert Eberhard
Greenfield Mark A.
Henkel Kommanditgesellschaft auf Aktien
Milestone Norma S.
Millson Jr. Henry E.
Szoke Ernest G.
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