Method and device for purifying used oils

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 175/02 (2006.01) C10G 67/04 (2006.01) C10M 175/00 (2006.01)

Patent

CA 2160652

L'invention concerne un procédé et une installation pour la purification des huiles usagées, comprenant une déshydratation, de préférence par distillation atmosphérique, directement suivie d'une distillation sous vide produisant un résidu et au moins une fraction d'huile distillée. Le résidu sous vide est directement soumis à une extraction au solvant et l'huile clarifiée obtenue ainsi que la (les) fraction(s) d'huile distillée sont soumis à un hydrotraitement de finition.

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