Process for producing fatty acid alkyl esters and glycerol...

Details Process for producing fatty acid alkyl esters and glycerol... Process for producing fatty acid alkyl esters and glycerol...

2006-11-21

2006-11-21

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

07138536

ABSTRACT:
In a process for producing fatty acid alkyl esters and glycerol comprisingat least one reaction stage in which a charge comprising a vegetable and/or animal oil and an alcohol are brought into contact, in the presence of a heterogeneous catalyst, so as to obtain an effluent comprising at least alkyl esters, glycerol and alcohol,and at least one separation stage during which a separation is carried out of at least one portion of the effluent so as to separate an alcohol-rich effluent and an alkyl esters-rich effluent,at least one separation stage consists of a membrane separation using at least one alcohol-permeable membrane.

REFERENCES:
patent: 2002/0013486 (2002-01-01), Ergun et al.
patent: 2004/0034244 (2004-02-01), Bournay et al.
patent: 1352893 (2003-10-01), None
patent: WO 99/26913 (1999-06-01), None

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