Production of transportation fuel from renewable feedstocks

C - Chemistry – Metallurgy – 10 – G

Patent

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Details

C10G 69/04 (2006.01) C10G 45/02 (2006.01) C10L 1/08 (2006.01)

Patent

CA 2718519

A process has been developed for producing a diesel boiling point range product and an aviation boiling point range product from renewable feedstocks such as plant and animal oils. The process involves treating a renewable feedstock by hydrogenating and deoxygenating (4) to provide a hydrocarbon fraction (12) which is then isomerized and selectively cracked (22) to form the diesel boiling point range product (46) and the aviation boiling point range product (45). A portion of the diesel boiling point range product (46), aviation boiling point range product (45), naphtha product (52), LPG (50), or any combination thereof can be optionally used as a rectification agent in the selective hot high pressure hydrogen stripper (8) to decrease the amount of product carried in the stripper overhead (14).

Linvention concerne un procédé développé pour produire un produit de gamme de points d'ébullition diesel et un produit de gamme de point d'ébullition pour aviation à partir de charges dalimentation renouvelables telles que des huiles végétales et animales. Le procédé implique le traitement dune charge dalimentation renouvelable par hydrogénation et désoxygénation (4) pour former une fraction hydrocarbure (12) qui est ensuite isomérisée et sélectivement craquée (22) pour former le produit de gamme de points d'ébullition diesel (46) et le produit de gamme de points d'ébullition pour aviation (45). Une partie du produit de gamme de point d'ébullition diesel (46), du produit de gamme de points d'ébullition pour aviation (45), un produit naphta (52), du GPL (50) ou lune quelconque de leur combinaison peut être facultativement utilisée comme agent de rectification dans lépurateur dhydrogène haute pression chaud sélectif (8) pour diminuer la quantité de produit porté dans le distillat de tête de lépurateur (14).

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