Process for deep desulfurization using combined hydrotreating-oxidation
AssigneeExxon Research & Engineering Co.
InventorsTeh Chung Ho, Chang Samuel Hsu, Gerald Dennis Dupre, Ronald Liotta, Viktor Buchholz
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Abstract
The instant invention is directed to a process for removing hard sulfurs from hydrocarbon streams by selectively oxidizing hard sulfurs in a hydrotreated stream, under oxidizing conditions in the presence of an effective amount of an oxidizing agent, wherein the oxidizing agent is a peroxometal complex and wherein the hard sulfurs are oxidized into the corresponding sulfoxides and sulfones.
Claims10
A process for removing sterically hindered heterocyclic sulfur compounds from hydrotreated hydrocarbon streams which have undergone hydrodesulfurization comprising oxidizing said sterically hindered heterocyclic sulfurs in a hydrotreated stream, under oxidizing conditions in the presence of an effective amount of an oxidizing agent wherein said oxidizing agent is a peroxometal complex selected from the group consisting of one of the following forms:
- LMO(O.sub.2).sub.2, (LL')MO(O.sub.2).sub.2, LMO(O.sub.2).sub.2.H.sub.2 O, and mixtures thereof, wherein M is selected from the group consisting of Mo, W, Cr and mixtures thereof and wherein L and L' are neutral ligands and wherein said sterically hindered sulfurs are converted into oxidation products.
Dependencies are inferred from the claim text.