Improved process for the production of esters from fatty substan

Details Improved process for the production of esters from fatty substan Improved process for the production of esters from fatty substan

1993-09-24

1995-06-13

Dees, Jose G.

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

Organic compounds

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

554179, C11B 310

Patent

active

054244668

ABSTRACT:
A description is given of an improved process for the production of esters from fatty substances having a natural origin (animal and vegetable oils) and low molecular weight alcohols, in which the soaps and oily compounds entrained in the alkaline phases are recycled by treating them, following acidification and separation, with a fraction of the glycerol phase produced, in the presence of an alkaline catalyst and for forming preferably a triglyceride or a partly substituted glyceride.
This process makes it possible to quantitatively obtain methyl, ethyl, propyl or butyl esters usable as a substitute for gas oil.

REFERENCES:
patent: 3816485 (1974-06-01), Wechsler
patent: 4695411 (1987-09-01), Stern et al.
Lago et al., "Extraction and Transesterification of Vegetable Oils with Ethanol," Oleagineux, vol. 40, No. 3, 1985, pp. 147-151.
Stage, "Principle of the New ATT-Process for Converting Vegetable Oils to Diesel Fuels," Fat Science Technology, vol. 90, No. 1, 1988, pp. 28-32.

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