Retorting process with contaminant removal

Details Retorting process with contaminant removal Retorting process with contaminant removal

1984-11-30

1986-07-08

Metz, Andrew H.

Distillation: processes, thermolytic

Using a carbonization product as indirect heat source

For heating the carbonaceous material

423230, 423244, 201 20, 201 29, 201 34, 201 36, 201 45, 208408, 208413, C10G 100, C01B 1702

Patent

active

045991618

ABSTRACT:
Hydrogen sulfide issuing from an oil shale retort is captured in an absorbent bed. When the bed is regenerated as with oxygen containing gas, the sulfur dioxide liberated is reintroduced into the retort for reaction with the spent shale.

REFERENCES:
patent: 2747968 (1956-05-01), Pigache
patent: 3247092 (1966-04-01), Huntington
patent: 4069132 (1978-01-01), Deering
patent: 4088736 (1978-05-01), Courty et al.
patent: 4092128 (1978-05-01), Harris et al.
patent: 4140181 (1979-02-01), Ridley et al.
patent: 4164544 (1979-08-01), Olsson et al.
patent: 4313820 (1982-02-01), Farha, Jr. et al.
patent: 4374105 (1983-02-01), Anderson et al.

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