C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 61/06 (2006.01)
Patent
CA 2686526
The present invention relates to a process for the removal of sulfur contaminants from a hydrocarbon stream comprising: (a) providing a gaseous hydrocarbon stream having sulfur contaminants, but having less than 10 ppmw of said sulfur contaminants as thiophenes, to a bed of adsorbent material, said material having at least one Group VIII metal compound with at least one Group VI, IA, IIA, IB metal compound on an inorganic metal oxide support material, without substantial added hydrogen, to absorb said contaminants; (b) periodically stopping said providing of said gaseous hydrocarbon feed stream of (a); (c) then, regenerating said adsorbent bed by introducing at least one regenerant, in any order, in the place of said stream; and, (d) continuing to alternate (a) and (b) plus (c) as needed.
La présente invention concerne un procédé d'élimination des contaminants sulfurés d'un courant d'hydrocarbure qui comprend : (a) la fourniture d'un courant d'hydrocarbure gazeux ayant des contaminants sulfurés, mais ayant moins de 10 ppmw desdits contaminants sulfurés tels que des thiophènes, à un lit de matériau adsorbant, ledit matériau ayant au moins un composé de métal du groupe VIII avec au moins un composé de métal du group VI, IA, IIA, IB sur un matériau de support d'oxyde de métal inorganique, sans hydrogène substantiel ajouté, pour absorber lesdits contaminants ; (b) l'arrêt périodique de ladite fourniture dudit courant d'alimentation d'hydrocarbure gazeux de (a) ; (c) puis, la régénération dudit lit adsorbant par l'introduction d'au moins un régénérant, dans un ordre quelconque, à la place dudit courant ; et, (d) le fait de continuer à alterner (a) et (b) plus (c) au besoin.
Northrop Paul S.
Sundaram Narasimhan
Borden Ladner Gervais Llp
Exxonmobil Upstream Research Company
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