Process for the hydrogenation treatment of mineral oils...

Details Process for the hydrogenation treatment of mineral oils... Process for the hydrogenation treatment of mineral oils...

C - Chemistry, Metallurgy

10

G

196/131

C10G 45/02 (2006.01) C10G 49/00 (2006.01) A62D 3/00 (2006.01)

Patent

CA 1297063

ABSTRACT An hydrogenation process for treating mineral oils, and in particular so-called waste oils, which have been contaminated with chlorobiphenyls, bromobiphenyls, chlorinated naphthalines and terphenyls, or other chloraromatics as well as chloroparaffina or chloronaphthenes for the purpose of the recovery of waste oils which contain chlorine on an industrial scale and in which the mineral base oils that are contained as the main components can be reused. The contaminated waste oils are subjected to pressure hydrogenation under conditions typical of a liquid phase hydrogenation or a combined liquid/gas phase hydrogenation with hydrogen pressures of 20 to 325 bar, temperatures of 250 to 500°C, and gas-oil ratios of 100 to 3000 Nm3/t.

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