Spent oil shale compositions and use

Details Spent oil shale compositions and use Spent oil shale compositions and use

1980-10-15

1983-03-08

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 85, 166292, 405267, C04B 1904

Patent

active

043759858

ABSTRACT:
A slurry composition and method of using the same is provided which is particularly useful in filling spent in situ oil shale retorts to form a strong load bearing mass which minimizes surface subsidence. The slurry is formed by mixing spent oil shale with 50 to 300 weight percent water and at least one material selected from the group consisting of lignosulfonate, sodium silicate, and sodium gluconate. The maximum concentration of each material selected is 4 weight percent based on the spent oil shale.

REFERENCES:
patent: 3459003 (1969-08-01), O'Neal
patent: 4120355 (1978-10-01), Knepper et al.
patent: 4131416 (1978-12-01), Watson et al.

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