Sour service hydroprocessing for lubricant base oil production

Details Sour service hydroprocessing for lubricant base oil production Sour service hydroprocessing for lubricant base oil production

C - Chemistry, Metallurgy

10

G

C10G 73/02 (2006.01) B01J 29/06 (2006.01) C10G 71/00 (2006.01) C10M 177/00 (2006.01)

Patent

CA 2745425

An integrated process for producing lubricant base oils from feedstocks under sour conditions is provided. The ability to process feedstocks under higher sulfur conditions allows for reduced cost processing and increases the flexibility in selecting a suitable feedstock. The sour feed can be delivered to a catalytic dewaxing step without any separation of sulfur and nitrogen contaminants, or a high pressure separation can be used to partially eliminate contaminants.

La présente invention concerne un procédé intégré pour la production d'huiles de base pour lubrifiants à partir d'une charge dans des conditions acides. La capacité à traiter la charge dans des conditions riches en soufre permet de réduire le coût de traitement et d'augmenter la flexibilité dans le choix de la charge. La charge acide peut être soumise à une étape de déparaffinage catalytique sans aucune séparation des contaminants à base de soufre et d'azote, ou bien une séparation à haute pression peut être utilisée pour éliminer partiellement ces contaminants.

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