Method of processing oil-shale or tar sand

Mineral oils: processes and products – Products and compositions – Lubricating oils

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C10G 102

Patent

active

043199828

ABSTRACT:
Oil-shale or tar sand is subjected to hydrogenating carbonization and the residue is passed into a combustion zone wherein residual coke in the residue is reacted with oxygen. At least part of the heat produced in the combustion zone is used to heat the hydrogen to be used for the carbonization step.

REFERENCES:
patent: 3384569 (1968-05-01), Peet
patent: 3475319 (1969-10-01), MacToren
patent: 3565751 (1971-02-01), Hoekstra
patent: 3617469 (1971-11-01), Schlinger
patent: 4003821 (1977-01-01), Weil

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