Method of stabilizing aqueous fine coal slurry and product there

Details Method of stabilizing aqueous fine coal slurry and product there Method of stabilizing aqueous fine coal slurry and product there

1978-09-25

1980-06-17

Peters, G. O.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106103, 1062862, C04B 3130

Patent

active

042082170

ABSTRACT:
An aqueous fine coal slurry is stabilized by (a) intimately admixing the aqueous slurry containing between about 30 and about 80 percent fine coal refuse solids by weight with a stabilizing additive comprising Portland cement and (b) allowing the admixture to harden. Preferably the stabilizing additive additionally comprises finely divided blast furnace slag. Also it is preferred that sufficient additive is added so that the slurry will harden to an unconfined compressive strength of at least about 18 psi in less than about two days of addition of the additive.

REFERENCES:
patent: 3870535 (1975-03-01), Minnick et al.
patent: 4015997 (1977-04-01), Selmeczi et al.

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