Mineral oils: processes and products – Products and compositions – Lubricating oils
Patent
1976-06-25
1977-11-01
Gantz, Delbert E.
Mineral oils: processes and products
Products and compositions
Lubricating oils
208 8, 201 12, 202117, C10G 102, C10B 4916
Patent
active
040564614
ABSTRACT:
Disclosed is a process for the retorting of shale and other similar hydrocarbon-containing solids in which the solids to be retorted are mixed with a hot solid heat transfer material to rapidly heat the hydrocarbon-containing solids to a high temperature and conveyed through the retorting vessel by means of a flexible, generically helical shaped, elongated, hollow longitudinal core element. The shale and heat transfer material are conveyed concurrently through a first section of a cylindrical vessel while a stripping gas is introduced into a latter section of the vessel and flows countercurrent to the movement of the two solids. The stripping gas along with entrained fines, gaseous hydrocarbons, and liquid hydrocarbons in the form of a mist are removed from a middle section of the vessel while the retorted shale is removed from the end of the vessel.
REFERENCES:
patent: 3140240 (1964-07-01), Fowler
patent: 3350280 (1967-10-01), West
patent: 3442789 (1969-05-01), Zimmerman
patent: 3655518 (1972-04-01), Schmalfeld et al.
patent: 3658654 (1972-04-01), Gutberlet
Chevron Research Company
Davies R. H.
De Young J. J.
Gantz Delbert E.
Hellwege James W.
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