Manufacturing method of bio-diesel oil

Details Manufacturing method of bio-diesel oil Manufacturing method of bio-diesel oil

2004-03-08

2010-11-16

Gonzalez, Porfirio Nazario (Department: 1621)

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

Organic compounds

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

C554S167000, C554S170000, C554S174000, C044S308000, C044S385000, C044S388000

Reexamination Certificate

active

07834203

ABSTRACT:
The object of this invention is to provide a method of producing a bio-diesel oil in a great amount in a relatively short time, in which oil/fat and alcohol, used as reactants, are homogeneously mixed with each other to form a single liquid phase mixture which effectively react with each other. The method includes transesterifying the oil/fat and alcohol in the presence of alkyl ester. Additionally, in the method, alkyl ester is added to a mixture of the oil/fat and alcohol by recycling alkyl ester as a product to the mixture. Furthermore, the method includes (a) an acidic catalyst, and (b) transesterifying the pre-esterified oil/fat with alcohol in the presence of alkyl ester.

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