Process for removing contaminants from thermally cracked...

Details Process for removing contaminants from thermally cracked... Process for removing contaminants from thermally cracked...

C - Chemistry, Metallurgy

10

G

C10G 21/16 (2006.01) C10M 175/00 (2006.01)

Patent

CA 2245025

A process is described for removing contaminants from thermally cracked waste oil, e.g. used motor oil. In the process the cracked waste oil is contacted with a solvent comprising methanol. The thermally cracked waste oil is then separated from the solvent whereby a substantial portion of the contaminants are removed into the solvent. Thereafter, the solvent is separated from the contaminants and recycled.

Description d'une méthode pour éliminer les contaminants dans des huiles résiduelles de craquage thermique, p. ex. l'huile de moteur. Dans cette méthode, l'huile résiduelle de craquage est mise en contact avec un solvant à base de méthanol. L'huile résiduelle de craquage thermique est ensuite séparée du solvant, une fraction importante des contaminants étant éliminée dans le solvant. Par la suite, le solvant est séparé des contaminants et recyclé.

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