Dust abatement with calcium sulfate

Details Dust abatement with calcium sulfate Dust abatement with calcium sulfate

1979-12-21

1981-05-26

Weinblatt, Mayer

Compositions

Dust suppressants for bulk materials, or processes of...

252 61, 252381, 252383, 252385, C09K 322

Patent

active

042697212

ABSTRACT:
A method of treating stored coal to prevent dusting and reduce moisture penetration of the coal, comprising forming a hardened crust of a hydrated calcium sulfate containing composition over the exposed surface of the coal pile. The calcium sulfate product produced from the fluid bed combustion of coal in the presence of limestone is particularly useful.

REFERENCES:
patent: 2778718 (1957-01-01), Hartmann
patent: 2786815 (1957-03-01), Buggisch et al.
patent: 3681246 (1972-08-01), Lewer et al.
patent: 3687135 (1972-04-01), Lewer et al.

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