Mineral oils: processes and products – Products and compositions – Lubricating oils
Patent
1982-04-19
1984-03-27
Gantz, Delbert E.
Mineral oils: processes and products
Products and compositions
Lubricating oils
208 8R, 201 31, 202135, C10G 102
Patent
active
044393067
ABSTRACT:
Hydrocarbons are extracted from a hydrocarbon-bearing substrate, e.g. shale oil, bituminous coal, tar sand, in the substantial absence of oxygen at temperatures above 400.degree. C., by passing substrate particles through a plurality of successive stages in which the substrate is mixed with a solid heat-bearing medium, the mixture being maintained in a fluidized-bed condition, and the liberated hydrocarbons being removed by passage of an inert stripping gas in cross-current flow with respect to the passage of the substrate particles. The average cross-sectional area of at least one or more of the stages subsequent to the first one is preferably smaller than the average cross-sectional area of one or more of the preceding stages.
An apparatus for carrying out the process is described.
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Darton Richard C.
Krishna Rajamani
Van Meurs Hubrecht C. A.
Voetter Heinz
Gantz Delbert E.
Johnson Lance
Shell Internationale Research Maatschappij B.V.
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