Method of dry distillation of volatile substances from mineral m

Details Method of dry distillation of volatile substances from mineral m Method of dry distillation of volatile substances from mineral m

1984-02-17

1986-01-07

Gantz, D. E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

201 31, 208 8R, C10G 100, C10G 102

Patent

active

045632642

ABSTRACT:
The dry distillation of oil shale and like volatilizable materials as carried out by intimately mixing it with a fine-grain hot heat-transfer medium. According to the invention the hot distillation residue is passed in direct heat exchange with a cooling gas and the latter is utilized as one component of a preheating mixed gas which is passed in uniflow with the devolatilizable material through at least one riser. Hot combustion gases can make up other components of these mixed gases.

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