Integrated hydrocracking and dewaxing of hydrocarbons

Details Integrated hydrocracking and dewaxing of hydrocarbons Integrated hydrocracking and dewaxing of hydrocarbons

C - Chemistry, Metallurgy

10

G

C10G 47/02 (2006.01) B01J 29/06 (2006.01) B01J 29/08 (2006.01) C10G 73/02 (2006.01)

Patent

CA 2747030

An integrated process for producing naphtha fuel, diesel fuel and/or lubricant base oils from feedstocks under sour conditions is provided. The ability to process feedstocks under higher sulfur and/or nitrogen 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. The integrated process includes an initial hydrotreatment, hydrocracking, catalytic dewaxing of the hydrocracking effluent, and an option final hydrotreatment.

La présente invention concerne un procédé intégré pour la production d'essence, de gazole et/ou 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 et/ou en azote 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. Le procédé intégré comprend un hydrotraitement initial, un hydrocraquage, un déparaffinage catalytique de l'effluent d'hydrocraquage et un hydrotraitement final facultatif.

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