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Air-sealing Coal Mines to Reduce Water Pollution.

Authors
Moebs-NN; Krickovic-S
Source
NTIS: PB 190 770 :33 pages
Link
NIOSHTIC No.
10001809
Abstract
The Bureau of Mines air-sealed a 77-acre, above-drainage coal mine to evaluate sealing as a means of reducing the acid and metallic salt contents in drainage from abandoned mines. An approximate reduction in acidity of 150 ppm (equivalent to 193 pounds per day) and in iron of 98 ppm were directly attributed to sealing. The topographical, hydrological, and other factors involved in air- sealing are discussed, and the construction used to seal the mine is described.
Publication Date
19700101
Document Type
IH; Report of Investigations
Fiscal Year
1970
NTIS Accession No.
PB-190770
NTIS Price
A04
Identifying No.
RI 7354
NIOSH Division
PRC;
Source Name
NTIS: PB 190 770
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