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Mining Publication: Predicting Methane Emissions from Longer Longwall Faces by Analysis of Emission Contributors
Keywords: Coal mining Faces Longwall mining Methane Methane control 
 Numerical modeling
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: June 2006
Authors: RB Krog, SJ Schatzel, F Garcia, JK Marshall
Conference Paper - June 2006
Download PDF Document (0.18 MB)
NIOSHTIC2 Number: 20030321
Proceedings of the 11th U.S./North American Mine Ventilation Symposium, University Park, Pennsylvania, June 5-7, 2006. Mutmansky JM, Ramani RV. eds., London, U.K.: Taylor & Francis Group, 2006 Jun; :383-392
NIOSH conducted a longwall methane emission and mining time study at a mine operating in the Pittsburgh Coalbed to access the methane emission consequences of mining a longer face. The methane emission contributors from mining a longwall face are: (1) gas released from the coal broken by the shearer, (2) gas emitted from the coal on the face conveyor, (3) gas emitted from the coal transported on the belt, and (4) background gas emitted from the coal face and adjoining ribs. Based on the results of the study, a set of site-specific mathematical formulas and constants were developed to characterize each of the four longwall emission contributors. The formulas were then applied to longer longwall face mining scenarios to predict the methane emissions from these faces.
Image of publication Predicting Methane Emissions from Longer Longwall Faces by Analysis of Emission ContributorsConference Paper - June 2006
Download PDF Document (0.18 MB)
NIOSHTIC2 Number: 20030321
Proceedings of the 11th U.S./North American Mine Ventilation Symposium, University Park, Pennsylvania, June 5-7, 2006. Mutmansky JM, Ramani RV. eds., London, U.K.: Taylor & Francis Group, 2006 Jun; :383-392
See Also
Degasification System Selection for U.S. Longwall Mines Using an Expert Classification System
Development and Application of Reservoir Models and Artificial Neural Networks for Optimizing Ventilation Air Requirements in Development Mining of Coal Seams
Guidelines for the Control and Monitoring of Methane Gas on Continuous Mining Operations
Guidelines for the Prediction and Control of Methane Emissions on Longwalls
Methane Detection and Monitoring
Modeling and Prediction of Ventilation Methane Emissions of U.S. Longwall Mines Using Supervised Artificial Neural Networks
Prediction of Longwall Methane Emissions and the Associated Consequences of Increasing Longwall Face Lengths: A Case Study in the Pittsburgh Coalbed
Remote Methane Sensors
Reservoir Rock Properties of Coal Measure Strata of the Lower Monongahela Group, Greene County (Southwestern Pennsylvania), from Methane Control and Production Perspectives
Stochastic Modeling of Gob Gas Venthole Production Performances in Active and Completed Longwall Panels of Coal Mines
Technology News 465 - Method for Predicting Methane Emissions on Extended Longwall Faces
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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