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The contents of this report are limited, due to the loss of the majority of data and written records in a fire on 19 December, 1993. Consequently, the conclusions drawn are, at least in part, no backed by statistical evidence.

Wind-borne fugitive emissions can cause environmental problems around coal stockpiles and other mineral handling facilities. A range of control measures are available as prospective solutions, often at significant cost, but empirical data on their effectiveness are sparse. Wind fences, and the application of chemical additives, are two examples of prospective solutions. The report described empirical studies of wind fences at two colliery sites, and laboratory and field investigations of the effectiveness of both water and chemical additives.

The overall dust suppression efficiency of a practical fence was found to be 40 +/- 10%, somewhat less than the 75 +/- 10% potentially achievable by an impractical arrangement of a continuous fence surrounding operations.

Tests on three encrusting agents proved one product to be more effective than the others, when added as recommended by the supplier. Tests proved that the product gave protection from entrainment for wind speeds of up to at least 20 m/s in the wind tunnel, this being equivalent to 30 m/s in the open air. air.

Additional information

Authors: KING A, British Coal Corporation, Cheltenham (GB)
Bibliographic Reference: EUR 17162 EN (1997) 109pp., FS, ECU 18.50
Availability: Available from the (2)
ISBN: ISBN 92-827-9391-5
Record Number: 199710378 / Last updated on: 1997-04-23
Original language: en
Available languages: en
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