Method for treating an oil loaded with PAH

A method for treating an aromatic mineral oil or a mixture of aromatic mineral oil and naphthenic mineral oil, the oil or the mixture of oils being loaded with polycyclic aromatic hydrocarbons, the method including a-optional removal of polycyclic aromatic hydrocarbon s having a molecular weight gre...

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Bibliographische Detailangaben
Hauptverfasser: Delehouze, Arnaud, Potin, Jean-François Daniel René, Goujard, Stéphane Roger André
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for treating an aromatic mineral oil or a mixture of aromatic mineral oil and naphthenic mineral oil, the oil or the mixture of oils being loaded with polycyclic aromatic hydrocarbons, the method including a-optional removal of polycyclic aromatic hydrocarbon s having a molecular weight greater than or equal to 200 from the aromatic mineral oil or the mixture of aromatic mineral oil and naphthenic mineral oil loaded with polycyclic aromatic hydrocarbons; b-extraction, at a pressure lower than atmospheric pressure, of polycyclic aromatic hydrocarbons having a molecular weight lower than 200 solubilised in the oil or the mixture of oils obtained in step (a); and c-recovery of the oil or the mixture of oils depleted in polycyclic aromatic hydrocarbons.