Method for producing fatty acid alcohol ester

Details Method for producing fatty acid alcohol ester Method for producing fatty acid alcohol ester

2005-04-26

2005-04-26

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

06884900

ABSTRACT:
There is provided a method for producing fatty acid alcohol ester useful as a substitute fuel for light oil in which an ester interchange reaction between fats or oils and alcohol is carried out in a reactor1by applying ultrasonic irradiation at a frequency of 15 to 100 kHz and irradiation intensity of 0.5 to 20 W/cm2in the presence of a catalyst, followed by an application of ultrasonic irradiation at a frequency of 200 to 3,000 kHz and irradiation intensity of 0.5 to 20 W/cm2to the reaction product in a separation tank4to separate fatty acid alcohol ester and glycerol. Such ultrasonic irradiation in the separation tank4may be applied to an interface between fatty acid alcohol ester and glycerol.

REFERENCES:
Stavarach et al., Chemistry Letters, vol. 32, No. 8, pp. 716-717, 2003, “Conversion of vegetable oil to biodiesel using ultrasonic irradiation.”

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