Dust Control At a Transfer Point Using Foam and Water Sprays.
NTIS: PB 255 440 :12 pages
The Bureau of Mines studied the effectiveness of foam in controlling airborne dust along a mine section belt line, using personal gravimetric samplers to obtain the data. Although foam was significantly more effective than water sprays in controlling airborne respirable dust at a transfer point and along a mine section belt line, a strategically arranged water spray system may be sufficiently satisfactory and comprise a more economical and convenient dust control method. Also, the section belt to main belt transfer point is a significant dust source, and additional foam or water sprays may need to be applied at such transfer points to alleviate respirable dust generation. The application of foam or water spray to the underside of the belt is especially effective for dust control.
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