Mineral oils: processes and products – Refining – Organic acid or phenol contaminant removal
Reexamination Certificate
2004-12-16
2009-12-08
Nguyen, Tam M (Department: 1797)
Mineral oils: processes and products
Refining
Organic acid or phenol contaminant removal
C208S21600R, C208S2160PP, C208S249000
Reexamination Certificate
active
07628908
ABSTRACT:
Systems and method for contacting a crude feed that has a total acid number of at least 0.1 with one or more catalysts produces a total product that includes a crude product are described. At least one of the catalysts includes vanadium. The crude product is a liquid mixture at 25° C. and 0.101 MPa, and the crude product has a TAN of at most 90% of the TAN of the crude feed. One or more other properties of the crude product may be changed by at least 10% relative to the respective properties of the crude feed.
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Bhan Opinder Kishan
Wellington Scott Lee
Nguyen Tam M
Shell Oil Company
Taylor Richard B.
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