Process for separating oleic acid from linoleic acid

Details Process for separating oleic acid from linoleic acid Process for separating oleic acid from linoleic acid

1983-06-06

1985-07-16

Waltz, Thomas A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 976, 260 977, 2604128, 260420, 260428, 2604285, C11C 108

Patent

active

045295514

ABSTRACT:
This invention comprises a process for separating oleic acid from a feed mixture comprising an oleic acid and linoleic acid, which process comprises contacting the mixture at separation conditions with a molecular sieve comprising silicalite, thereby selectively retaining the oleic acid. The oleic acid is recovered from the molecular sieve by displacement with a displacement fluid comprising a diluent soluble in the feed mixture and having a polarity index of at least 3.5. Displacement occurs at a temperature from about 120.degree. C. to about 150.degree. C. The feed mixture may also contain rosin acids in which case a first molecular sieve comprising silicalite is used to separate the fatty acids from the rosin acids.

REFERENCES:
patent: 4048205 (1977-09-01), Neuzil et al.
patent: 4049688 (1977-09-01), Neuzil et al.
patent: 4066677 (1978-01-01), deRosset et al.
patent: 4404145 (1983-09-01), Cleary et al.
patent: 4495094 (1985-01-01), Cleary
patent: 4495106 (1985-01-01), Cleary

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