Removal of sulfur from naphta streams using high silica...

Details Removal of sulfur from naphta streams using high silica... Removal of sulfur from naphta streams using high silica...

C - Chemistry, Metallurgy

10

G

C10G 29/16 (2006.01) C10G 29/20 (2006.01) C10G 31/00 (2006.01) C10G 69/12 (2006.01)

Patent

CA 2429654

A method of removing low boiling sulfur compounds from naphtha boiling range streams. The naphtha boiling range stream is contacted with a high silica zeolite at effective conditions to convert lower boiling sulfur compounds to higher boiling sulfur compounds. The naphtha stream is then fractinated into a lower boiling stream having substantially reduced levels of sulfur compounds and a higher boiling range fraction containing the higher boiling sulfur compounds.

L'invention porte sur un procédé d'élimination de composés soufrés à bas point d'ébullition de courants de pétrole dans leur plage d'ébullition consistant à mettre en contact ledit courant avec un zéolite à forte teneur en silice dans des conditions nécessaires pour convertir les composés soufrés à bas point d'ébullition en composés soufrés à point d'ébullition plus élevé. On fractionne alors le courant de pétrole en un courant à bas point d'ébullition et à teneur sensiblement réduite en composés sulfurés, et en un courant à point d'ébullition plus élevé contenant les composés sulfurés à point d'ébullition plus élevé.

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