Production of naphtha and light olefins

C - Chemistry – Metallurgy – 10 – L

Patent

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Details

C10L 1/00 (2006.01) C07C 2/00 (2006.01) C07C 2/02 (2006.01) C07C 4/06 (2006.01) C07C 5/00 (2006.01) C10G 35/02 (2006.01) C10G 35/04 (2006.01) C10G 35/06 (2006.01) C10G 35/085 (2006.01) C10G 35/09 (2006.01) C10G 45/62 (2006.01) C10G 57/00 (2006.01) C10G 57/02 (2006.01) C10G 63/04 (2006.01) C10G 69/04 (2006.01)

Patent

CA 2416244

Disclosed is a method for treating naphtha. The method comprises providing naphtha feed, and the naphtha feed comprises naphthene ring-containing compounds. The naphtha feed is contacted with a ring opening catalyst containing a Group VIII metal under conditions effective to ring open the naphthene rings to form a ring opened product. The ring open product can then be contacted with a catalytic cracking catalyst under effective cracking conditions to form an olefin product. The olefin product will be particularly high in ethylene and propylene content.

L'invention concerne un procédé de traitement de naphta. Le procédé consiste à fournir une charge de naphta, et cette charge de naphta comprend des composés contenant des noyaux naphténiques. La naphta est mise en contact avec un catalyseur d'ouverture de noyau contenant un métal de groupe VIII dans des conditions efficaces pour ouvrir les noyaux naphténiques pour former un produit à noyau ouvert. Le produit à noyau ouvert peut ensuite être mis en contact avec un catalyseur de craquage catalytique dans des conditions efficaces de craquage pour former un produit d'oléfine. Le produit d'oléfine aura une teneur particulièrement élevée en éthylène et en propylène.

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