Mineral oils: processes and products – Products and compositions – Lubricating oils
Patent
1983-02-17
1983-12-06
Gantz, Delbert E.
Mineral oils: processes and products
Products and compositions
Lubricating oils
208 11LE, C10G 100
Patent
active
044192177
ABSTRACT:
Spent shale is treated with a mixture of methanol and water at moderate temperatures whereupon the treating mixture is removed and the treated spent shale is retorted. This results in 20% additional oil yield.
REFERENCES:
patent: 4046668 (1977-09-01), Farcasiu et al.
patent: 4238315 (1980-12-01), Patzer
Flournoy Howard M.
Gantz Delbert E.
Gilman Michael G.
McFarlane Anthony
McKillop Alexander J.
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