A process for blending petroleum oils to avoid being nearly...

Details A process for blending petroleum oils to avoid being nearly... A process for blending petroleum oils to avoid being nearly...

C - Chemistry, Metallurgy

10

G

C10G 75/00 (2006.01) C07C 7/20 (2006.01)

Patent

CA 2347798

The present invention includes a process for blending two or more petroleum oils, any component of which may be an unprocessed crude oil or a processed oil derived from petroleum, in a manner to minimize fouling and coking of refinery process equipment. The blending method includes the steps of determining the insolubility number, I, for each oil, determining the solubility blending number, S, for each oil, and combining the petroleum oils in the proportions in order to keep the solubility blending number of the mixture higher than 1.4 times the insolubility number of any oil in the mixture. The present invention also includes selecting petroleum oils to minimize fouling.

L'invention concerne un procédé permettant de mélanger au moins deux pétroles lampants, dont tout composé, quel qu'il soit, peut être une huile brute non traitée ou une huile traitée dérivée du pétrole, de manière à réduire l'encrassement et la cokéfaction des installations de traitement des raffineries. Ce procédé de mélange consiste à déterminer la valeur I d'insolubilité de chaque pétrole, à déterminer la valeur S de solubilité au mélange de chaque pétrole, et à combiner les pétroles lampants dans des proportions permettant de maintenir la valeur de solubilité au mélange de la combinaison, 1, 4 fois supérieure à la valeur d'insolubilité de toute huile de la combinaison. Cette invention concerne également un procédé de sélection des pétroles de façon à réduire l'encrassement.

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