Olefins production process

C - Chemistry – Metallurgy – 10 – G

Patent

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C10G 9/00 (2006.01) C10G 2/00 (2006.01)

Patent

CA 2466501

The present invention provides a process for the production of olefins wherein a synthetic naphtha is passed to a steam cracker. The synthetic naphtha is derived from the fractionation of a Fischer-Tropsch product stream. The Fischer-Tropsch product stream may be separated into a lighter fraction and a heavy fraction and the heavy fraction may be hydrotreated prior to fractionation. Optionally the synthetic naphtha may be hydrogenated to produce a saturated synthetic naphtha which can then be subsequently passed to the steam cracker.

L'invention concerne un procédé de production d'oléfines consistant à soumettre une naphte de synthèse à un vapocraqueur. Ladite naphte de synthèse est dérivée d'un fractionnement d'un flux de produit Fischer-Tropsch. Ledit flux de produit Fischer-Tropsch peut être séparé en une fraction plus légère et une fraction lourde, et la fraction lourde peut être hydrotraitée avant fractionnement. Par ailleurs, la naphte de synthèse peut être hydrogénée afin de produire une naphte synthétique saturée pouvant être soumise consécutivement à un vapocraqueur.

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