Mineral oils: processes and products – Refining – Metal contaminant removal
Patent
1981-01-19
1983-02-15
Gantz, Delbert E.
Mineral oils: processes and products
Refining
Metal contaminant removal
208 91, 208159, 208299, 208305, 252419, C10G 2509, C10G 2512
Patent
active
043740219
ABSTRACT:
An improved process is provided for decarbonizing, demetallizing and/or desalting a hydrocarbon feed stock by: contacting, in a selective vaporization step, for a short hydrocarbon residence time at an elevated contact temperature, the feed stock with an inert solid contact material in a confined rising vertical column to vaporize a major portion of the feed stock and to provide, as combustible deposits on the contact material, an unvaporized minor portion of the feed stock which includes high Conradson Carbon components and/or metal-containing components of the feed stock; separating the vaporized major portion of the feed stock from the contact material bearing the combustible deposits; contacting in a combustion step the contact material, bearing the combustible deposits, with an oxidizing gas to oxidize the combustible deposits and generate heat, whereby the contact material is heated by combustion of the combustible deposits; and recycling the so-heated contact material to contact further feed stock in the selective vaporization step. The improvement in the process comprises:
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Chaudhuri O.
Engelhard Minerals & Chemicals Corporation
Gantz Delbert E.
Moselle Inez L.
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