Shale retorting process and apparatus

Details Shale retorting process and apparatus Shale retorting process and apparatus

1979-03-26

1981-01-06

Scovronek, Joseph

Mineral oils: processes and products

Products and compositions

Lubricating oils

201 28, 201 29, 201 32, 201 36, 201 40, 201 42, 201 43, 202 99, 202221, 202262, 414301, C10G 102, C10B 3102, C10B 4906, C10B 5306

Patent

active

042435102

ABSTRACT:
Crushed oil shale is segregated into a major portion of relatively large particles and a minor portion of "fines," such as will pass through 1/8-inch screen openings. The large particles are subjected to retorting in an upflowing bed in countercurrent contact with a downflowing hot eduction gas, while the fines are fed onto and controllably transported across the hot planar surface of a free-standing truncated cone of spent shale at the top of the retort.

REFERENCES:
patent: 2640014 (1953-05-01), Berg
patent: 2640019 (1953-05-01), Berg
patent: 2954329 (1960-09-01), Dhondt et al.
patent: 2980592 (1961-04-01), Deering et al.
patent: 3004898 (1961-10-01), Deering
patent: 4162960 (1979-07-01), Dhondt

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