Mineral oils: processes and products – Refining – Sulfur removal
Reexamination Certificate
2011-06-14
2011-06-14
Griffin, Walter D (Department: 1774)
Mineral oils: processes and products
Refining
Sulfur removal
C208S20800M, C208S209000, C208S213000, C208S21600R, C208S243000, C208S244000
Reexamination Certificate
active
07959795
ABSTRACT:
The distillate catalytic hydrodesulfurization of hydrocarbon fuels wherein the optimum hydrogen treat gas rate to maximize desulfurization is determined and introduced into the reaction zone to maintain a controlled amount of hydrogen at the surface of the catalyst during hydrodesulfurization.
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Brignac Garland B.
Ho Teh C.
Hou Zhiguo
Kerby Michael C.
Lewis William E.
ExxonMobil Research and Engineering Company
Griffin Walter D
McCaig Brian
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