Process for the production of propylene from olefinic streams

Details Process for the production of propylene from olefinic streams Process for the production of propylene from olefinic streams

2006-12-26

2006-12-26

Dang, Thuan D (Department: 1764)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By c content reduction, e.g., cracking, etc.

C585S651000, C585S653000, C208S120010

Reexamination Certificate

active

07154015

ABSTRACT:
Process for the production of propylene starting from mixtures of hydrocarbons, prevalently olefins, the above hydrocarbons having a boiling point ranging from −15° C. to +80° C., preferably from −12° C. to +60° C., which comprises putting the above mixture of hydrocarbons in contact, under cracking conditions, with a large-pore zeolite having a molar ratio Silica/Alumina lower than 200, preferably ranging from 50 to 150.

REFERENCES:
patent: 3832449 (1974-08-01), Rosinski et al.
patent: 5026936 (1991-06-01), Leyshon et al.
patent: 6069287 (2000-05-01), Ladwig et al.
patent: 99 29805 (1999-06-01), None

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