C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 69/587 (2006.01) B01D 53/72 (2006.01) C07C 67/02 (2006.01) C07C 67/03 (2006.01) C07C 69/24 (2006.01) C07C 69/533 (2006.01)
Patent
CA 2223710
A process for purifying an inert gas stream from a transesterification reaction wherein a lower alkyl alcohol is released during the reaction is claimed. A second use of the process is to make a lower alkyl, e.g., methyl, esters of fatty acids through a transesterification reaction using gaseous alcohols as a source of the lower alkyl alcohols. The alcohol is diluted with nitrogen or other inert gas carrier and reacted with a fatty acid ester, preferably a triglyceride, to form the corresponding methyl or lower alkyl fatty acid ester.
L'invention porte sur un procédé de purification d'un courant de gaz inerte issu d'une réaction de transestérification au cours de laquelle un alcool alkylique inférieur est produit. Une deuxième utilisation du procédé permet d'obtenir un ester alkylique inférieur, par exemple méthylique, d'acides gras par l'intermédiaire d'une réaction de transestérification utilisant des alcools gazeux comme source d'alcools alkyliques inférieurs. L'alcool, dilué avec de l'azote ou un autre support de gaz inerte, réagit avec un ester d'acide gras, de préférence un triglycéride, pour donner un ester méthylique ou alkylique inférieur d'acides gras.
Granberg Eric Paul
Letton James Anthony
Schafermeyer Richard Gerard
Sim & Mcburney
The Procter & Gamble Company
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