Process for dechlorination of a spent oil fraction

Details Process for dechlorination of a spent oil fraction Process for dechlorination of a spent oil fraction

C - Chemistry, Metallurgy

10

M

C10M 175/00 (2006.01) C10G 25/00 (2006.01) A62D 3/00 (2006.01)

Patent

CA 2176210

The invention relates to a process for dechlorinating a spent lubricating oil fraction, optionally mixed with another hydrocarbon stock. Upstream of the recycling operation in refining the spent oil, the latter is subjected to a dechlorination operation at least partially by passing it on a bed of particles (6) of a composition which neutralizes by absorption and containing, as active compound capable of fixing the chlorine, at least one metal oxide and/or at least one metal hydroxide.

L'invention concerne un procédé de déchloration d'une fraction d'huile lubrifiante usée, éventuellement en mélange avec une autre charge hydrocarbonée. En amont d'une opération de recyclage en raffinerie de l'huile usée, on soumet l'huile usée à une opération de déchloration au moins partielle par passage sur un lit de particules (6) d'une composition neutralisante par adsorption contenant, comme composé actif apte à fixer le chlore, au moins un oxyde métallique et/ou au moins un hydroxyde métallique.

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