A process for the removal of arsine from a hydrocarbon...

Details A process for the removal of arsine from a hydrocarbon... A process for the removal of arsine from a hydrocarbon...

C - Chemistry, Metallurgy

10

G

C10G 70/04 (2006.01) C07C 7/12 (2006.01) C10L 3/10 (2006.01)

Patent

CA 2481305

A process for the removal of arsine (AsH3) from a hydrocarbon stream, having an atmospheric boiling point lower than about 0 ~C, by contacting the hydrocarbon stream with an adsorbent that contains elemental sulphur deposited on a support material. The amount of sulfur is in the range between 5 and 25 wt. % relative to the total amount of sulfur and support material. Besides arsine also mercury may be removed from the hydrocarbon stream.

L'invention concerne un procédé d'élimination d'arsine (AsH¿3?) d'une vapeur d'hydrocarbures, qui possède un point d'ébullition atmosphérique inférieur à environ 0· C, par la mise en contact de la vapeur d'hydrocarbures avec un adsorbent contenant du soufre élémentaire déposé sur un matériau de support. La quantité de soufre est comprise entre 5 et 25 % en poids de la quantité totale de soufre et du matériau de support. Outre l'arsine, du mercure peut également être éliminé de la vapeur d'hydrocarbures.

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