Process for treating oil shale with a mild oxidant

Details Process for treating oil shale with a mild oxidant Process for treating oil shale with a mild oxidant

1983-05-02

1985-02-26

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 100, C10B 5306

Patent

active

045016518

ABSTRACT:
The present invention relates to a process for the substantial reduction of hydrogen sulfide formation during retorting of oil shale by previously treating the oil shale under mild oxidative conditions to passivate the pyrite present in the oil shale. The oxidation of the oil shale under mild oxidative conditions results in the reduction of hydrogen sulfide formation during retorting without a decrease in the amount of oil produced.

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patent: 3656938 (1972-04-01), Penzes
patent: 3816301 (1974-06-01), Sorgenti
patent: 4108760 (1978-08-01), Williams et al.
patent: 4176042 (1979-11-01), Fahlstrom
patent: 4177064 (1979-12-01), Wanzenburg et al.
patent: 4214046 (1980-07-01), Waltrip
patent: 4239613 (1980-12-01), Schulz
patent: 4260471 (1981-04-01), Miller
patent: 4269702 (1981-06-01), Milner et al.
patent: 4348274 (1982-09-01), Guerre

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