Mineral slurries

Details Mineral slurries Mineral slurries

1984-08-10

1987-11-17

Dixon, Jr., William R.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

406 47, 406 49, 406197, C10L 132

Patent

active

047071621

ABSTRACT:
A pumpable slurry of material particles in water comprises coarse mineral particles having a particle size in the range 5 to 50 mm and fine mineral particles having a size less than 200 micron. The slurry contains 82 to 85%, preferably 83-85%, by weight of mineral particles based on the combined weight of the mineral particles and water. At least 30% by weight of the mineral particles are in the form of coarse particles, 10 to 40% by weight are in the form of fine particles and the balance to 100% by weight are intermediate sized particles.
The mineral particles are preferably coal.
Slurries of this concentration have special properties in that they are sufficiently fluid to be pumped through a pipeline, yet sufficiently solid when static to be handled by grabs and similar devices.

REFERENCES:
patent: 3168350 (1965-02-01), Phinney
patent: 3908912 (1975-09-01), Irons et al.
patent: 4132365 (1979-01-01), Verschuur
patent: 4465495 (1984-08-01), Scheffee
patent: 4525173 (1985-06-01), Baker et al.

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