Conversion of glycerol to naphtha-range oxygenates

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 41/09 (2006.01) C07C 41/01 (2006.01) C07C 43/10 (2006.01) C07C 43/13 (2006.01) C07C 43/15 (2006.01) C10L 1/185 (2006.01)

Patent

CA 2729659

The invention provides a method of converting glycerol to oxygenates (i.e. one or more oxygen-containing hydrocarbons) of lower boiling point than glycercol itself. The method involves reaction of glycerol with an alcohol under reduced pressure at a reaction temperature in a range of 150 to 300°C in the presence of an oxygenation (solid acid) catalyst. The reaction product contains volatile oxygenates that may be used as fuels or fuel additives.

L'invention porte sur un procédé de conversion du glycérol en composés oxygénés (c'est-à-dire en un ou en plusieurs hydrocarbures contenant de l'oxygène) dont le point d'ébullition est inférieur à celui du glycérol lui-même. Le procédé fait intervenir la réaction du glycérol avec un alcool sous pression réduite à une température de réaction dans une plage allant de 150 à 300°C en présence d'un catalyseur d'oxygénation (acide solide). Le produit réactionnel contient des composés oxygénés volatils qui peuvent être utilisés comme carburants ou additifs de carburant.

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