Mineral oils: processes and products – Refining – Metal contaminant removal
Patent
1986-07-28
1989-05-16
Davis, Curtis R.
Mineral oils: processes and products
Refining
Metal contaminant removal
C10G 1700
Patent
active
048307360
ABSTRACT:
We provide a graded catalyst system which is used for removing calcium and sodium from hydrocarbon feed having at least 1 ppm calcium and 1 ppm sodium. It comprises two catalyst zones characterized as having decreasing porosity, increasing activity, and increasing surface to volume ratio in the direction of feed flow through the system. We also disclose a process for using it and a method for selecting catalyst for use therein.
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Hung Chi-Wen
Reynolds Bruce E.
Chevron Research Company
Davis Curtis R.
De Jonghe T. G
Haynes G. D.
La Paglia S. R.
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