Method for producing fatty acid alkyl ester composition

Details Method for producing fatty acid alkyl ester composition Method for producing fatty acid alkyl ester composition

2007-06-05

2007-06-05

Carr, Deborah D. (Department: 1621)

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

Organic compounds

Fatty compounds having an acid moiety which contains the...

Reexamination Certificate

active

10517485

ABSTRACT:
An object of the present invention is to solve a problem of separation and recovery of catalysts present in an alkali metal catalytic method currently often used, a problem of excess consumption of a catalyst by a free fatty acid in a raw material, and other problems, and to solve a problem of the presence of a large excess amount of alcohol in a conventional supercritical methanol method, and to provide a method for producing a fatty acid alkyl ester composition in a reaction system containing water and free fatty acid present. The present invention has attained the above-mentioned object by provided a method for producing a fatty acid alkyl ester composition using fats and oils containing a fatty acid glyceride and/or fatty acid, wherein alcohol and/or water is allowed to co-exist with the above-mentioned fats and oils and the reaction is conducted under conditions of a temperature of 100° C. to 370° C. and a pressure of 1 to 100 MPa.

REFERENCES:
patent: 6288251 (2001-09-01), Tsuto et al.
patent: 1 061 120 (2000-12-01), None
patent: 001061120 (2000-12-01), None
patent: 2000-204392 (2000-07-01), None
Hiroyuki Yoshida and Kei Makino, The Society of Chemical Engineers, 34 Ed., p. 278,Conversion of Fish Oil to Bio-Diesel Fuel with Supercritical Methanol, Aug. 31, 2001 (Full English Translation).

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