Solvent extraction of diatomite

Details Solvent extraction of diatomite Solvent extraction of diatomite

1983-03-28

1984-07-24

Gantz, Delbert E.

Mineral oils: processes and products

Phenolic or toxic oils

208 11R, 208 11LE, C10G 104

Patent

active

044616953

ABSTRACT:
There is provided a method of extracting hydrocarbons from a diatomite ore. The particle size of the ore is first reduced to form a processed ore. The processed ore is then mixed with a substantially irregular granular material to form an unstratified ore mixture having increased permeability to an extracting solvent. The unstratified ore mixture is then permeated with an extracting solvent to obtain a hydrocarbon-solvent stream from which hydrocarbons are subsequently separated. The irregular granular material may be sand.

REFERENCES:
patent: 4008145 (1977-02-01), Leas
patent: 4167470 (1979-09-01), Karnofsky
patent: 4239617 (1980-12-01), Karnofsky
patent: 4253938 (1981-03-01), Roma
patent: 4374023 (1983-02-01), Davis
J. H. Cottrell, "Development of an Anhydrous Process for Oil-Sand Extraction", 1963, pp. 193-206.

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