Process for upgrading residual hydrocarbon oils

Details Process for upgrading residual hydrocarbon oils Process for upgrading residual hydrocarbon oils

C - Chemistry, Metallurgy

10

G

C10G 32/02 (2006.01) C10G 45/02 (2006.01) C10G 67/02 (2006.01)

Patent

CA 2190369

Process for the electrophoretic removal of suspended inorganic solid particles from a residual hydrocarbon oil, said process comprising passing the residual hydrocarbon oil through one or more vessels, each comprising at least one electrode, in which vessel(s) the residual hydrocarbon oil is exposed to a DC electric field having an electric field strength of at least 0.4 kV/cm (1 kV/inch), whereby in total at least 10 % by weight of the initial amount of the selected inorganic solid particles, preferably iron species, are removed by attraction to an electrode. Suitably the treated residual oil is subsequently subjected to hydrodemetallization and hydrodesulphurization.

Procédé d'enlèvement par électrophorèse de particules solides inorganiques suspendues à partir d'huile résiduelle d'hydrocarbure, consistant à faire passer cette huile à travers une ou plusieurs cuves comportant chacune au moins une électrode et dans laquelle (lesquelles) l'huile est exposée à un champ électrique à courant continu possédant une résistance de champ électrique d'au moins 0,4 kV/cm (1 kV/pouce), ce qui permet d'enlever par attraction vers l'électrode au total au moins 10 % en poids de la quantité initiale desdites particules solides choisies, de préférence de l'espèce fer. Ensuite, on soumet de manière appropriée l'huile résiduelle traitée à une hydrodémétallisation ainsi qu'à une hydrodésulfuration.

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