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A Study of the Use of Foam to Control Methane Emission in Coal Mines.
NTIS: PB 250 367 Available for Reference At Bureau Libraries :97 pages
This report describes the laboratory tests to determine a suitably stable foam, methods of emplacing the foam in coal, and a comparison of the effectiveness of foam and water for blocking the flow of gas through coal. It concludes that unstable foams are more effective than water in blocking the flow of methane but points out possible difficulties with the use of the technique underground.
CP; Final Contract Report;
NTIS Accession No.
NTIS: PB 250 367 Available for Reference At Bureau Libraries
University of Pittsburgh
Page last reviewed: May 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division