PROCESS FOR THE PREPARATION OF GROUP II AND GROUP III LUBE BASE OILS

The preparation of Group II and Group III lube base oils wherein liquid-continuous hydrotreating is used to treat a lube oil raffinate. The hydrotreated lube oil raffinate is then sent to a dewaxing stage that can be either a solvent or catalytic dewaxing stage.

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Bibliographische Detailangaben
Hauptverfasser: DOUGHERTY, RICHARD, C, DAAGE, MICHEL, A
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The preparation of Group II and Group III lube base oils wherein liquid-continuous hydrotreating is used to treat a lube oil raffinate. The hydrotreated lube oil raffinate is then sent to a dewaxing stage that can be either a solvent or catalytic dewaxing stage.