Process for removing elemental sulfur from fluids

Details Process for removing elemental sulfur from fluids Process for removing elemental sulfur from fluids

C - Chemistry, Metallurgy

07

C

C07C 7/10 (2006.01) C10G 29/10 (2006.01)

Patent

CA 2067430

A process for removing elemental sulfur from fluids such as refined petroleum products transported through pipelines for the transportation of sour hydrocarbon streams. The fluids are contacted with an aqueous solution containing caustic, sulfide and optionally elemental sulfur to produce an aqueous layer containing metal polysulfides and a clear fluid layer having a reduced elemental sulfur level. Organo mercaptans may also be mixed with the fluid to accelerate the removal of elemental sulfur.

Procédé pour extraire le soufre élémentaire dans des fluides tels des produits pétroliers raffinés transportés dans des pipelines en vue du transport d'hydrocarbures corrosifs. Les fluides sont mis en contact avec une solution aqueuse contenant un caustique, un sulfure ou de façon optionnelle du soufre élémentaire pour produire une couche aqueuse renfermant des polysulfures de métaux et une couche fluide claire contenant une faible teneur en soufre élémentaire. Des thiols organiques peuvent aussi être ajoutés au fluide pour accélérer l'extraction du soufre élémentaire.

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