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US 6,547,957 B1Granted
Process for upgrading a hydrocarbon oil
AssigneeTexaco Inc.
InventorsChakka Sudhakar, Mark Timothy Caspary, Stephen Jude DeCanio
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Abstract
A catalyst assisted upgrading process for treating a hydrocarbon oil feed to reduce total acid number (TAN) and increase API gravity is provided herein which employs a hydroprocessing catalyst based on a catalyst support, e.g., alumina. The process includes blending the supported hydroprocessing catalyst with the hydrocarbon oil feed to form a slurry which is then treated with hydrogen at moderate temperature and pressure in, for example, a tubular reactor. Deposit formation is thus minimized or avoided.
Claims24
A process for treating a heavy hydrocarbon oil feed comprising:
- a) forming a slurry which includes a heavy hydrocarbon oil and a hydroprocessing catalyst based on a catalyst support selected from the group consisting of alumina, silica-alumina, silica, titania, and magnesia;
- b) introducing said slurry into a reaction zone in the presence of hydrogen;
- and,
- c) subjecting the slurry to upgrading conditions to provide a hydrocarbon oil product having an improved API gravity and a lower acid number
- wherein the concentration of the catalyst in the slurry is substantially the same as the concentration of the catalyst in the slurry present in the reactor and in the hydrocarbon oil product and
- wherein the concentration of the hydroprocessing catalyst present in the slurry is between about 0.02 to about 2.0 percent by weight.
3 more elements
Dependencies are inferred from the claim text.