Plant for purifying spent oil

The invention concerns a plant for purifying spent oil, including apparatus for dehydration, preferably by atmospheric distillation, directly followed by vacuum distillation producing a residue and at least one distilled oil fraction. The vacuum residue directly undergoes solvent extraction and the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BRIOT, PATRICK, BILLON, ALAIN, BIGEARD, PIERRE-HENRI, AUSSILLOUS, MARCEL
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	The invention concerns a plant for purifying spent oil, including apparatus for dehydration, preferably by atmospheric distillation, directly followed by vacuum distillation producing a residue and at least one distilled oil fraction. The vacuum residue directly undergoes solvent extraction and the clarified oil obtained and the distilled oil fraction(s) undergo finishing hydrotreatment.