Method for suppressing coal dust

Details Method for suppressing coal dust Method for suppressing coal dust

1984-07-20

1985-12-31

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

Work handled in bulk or groups

55 87, 55385D, 134 36, 252 88, 299 12, B08B 300

Patent

active

045619050

ABSTRACT:
In suppressing coal dust by the application of a foam to a falling mass of coal, a continued dust suppression effect is achieved by foaming a water-diluted emulsion of water, a surfactant, and an oil which exhibits a tacky characteristic when in the form of a film in the absence of water at temperatures within the range from approximately 21.degree. C. down to approximately -12.degree. C.

REFERENCES:
patent: 943667 (1909-12-01), Ellis
patent: 2621115 (1952-12-01), Order
patent: 2646361 (1953-07-01), Rostler
patent: 3954662 (1976-05-01), Salyer et al.
patent: 4380459 (1983-04-01), Netting
patent: 4400220 (1983-08-01), Cole, Jr.
patent: 4417992 (1983-11-01), Bhattacharyya et al.
Salyer et al., Foam Suppression of Respirable Coal Dust-Final Report, Monsanto Research Corporation, 1970, pp. iii, 10, 40, 51-53.

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