C - Chemistry – Metallurgy – 11 – C
Patent
C - Chemistry, Metallurgy
11
C
C11C 3/04 (2006.01) C07C 68/08 (2006.01) C07C 69/003 (2006.01) C10L 1/02 (2006.01) C10L 1/18 (2006.01) C11B 13/00 (2006.01)
Patent
CA 2626450
There is disclosed a method for manufacturing fatty acid alkyl esters from tall oil comprising the steps of a) esterifying tall oil in at least one esterification reactor in the presence of an acidic catalyst and an C1 to C8 alcohol to form a crude product stream comprising fatty acid alkyl esters and H2O, b) separating H2O and alcohol from the crude product stream formed in step a) to form a dehydrated fatty acid alkyl ester product stream, and c) separating dehydrated fatty acid alkyl ester product stream from step b) into at least two product streams wherein one product stream is enriched in fatty acid alkyl esters and one product stream is enriched in resin acid compounds. There are disclosed fatty acid alkyl esters and resin acids manufactured by the method. Moreover there is disclosed a fuel composition and its use as an automotive fuel, said fuel composition comprises the fatty acid alkyl esters produced according to the present invention.
La présente invention concerne un procédé de fabrication d'esters alkyliques d'acides gras à partir de tallöl comprenant les phases de a) estérification de tallöl dans au moins un réacteur d'estérification en présence d'un catalyseur acide et d'un alcool C1-C8 afin de former un courant de produit brut comprenant des esters alkyliques d'acides gras et H2O, b) séparation de H2O et de l'alcool du courant de produit brut formé à la phase a) afin de former un courant de produit d'esters alkyliques d'acides gras déshydratés, et c) séparation du courant de produit d'esters alkyliques d'acides gras déshydratés provenant de la phase b) en au moins deux courants de produit dans lesquels un courant de produit est enrichi en esters alkyliques d'acides gras et un courant de produit est enrichi en composés d'acide résinique. L'invention concerne des esters alkyliques d'acides gras et des acides résiniques fabriqués au moyen du procédé. En outre, elle concerne une composition de carburant et son utilisation comme carburant automobile, ladite composition de carburant comprenant les esters alkyliques d'acides gras produits selon la présente invention.
Fetherstonhaugh & Co.
Kiram Ab
Sun Pine Ab
LandOfFree
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