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Mining Publication: Water Infusion - An Effective and Economical Longwall Dust Control
Keywords: Longwall mining Respirable dust Water infusion
Original creation date: January 1983
Authors: J Cervik, A Sainato, E Baker
Report of Investigations - January 1983
Download PDF Document (0.81 MB)
NIOSHTIC2 Number: 10003253
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8838, 1983 Jan; :1-14
In Europe, water infusion is used widely to reduce generation of respirable dust during mining. Its use in the United States is limited to a few plow operations in the Pocahontas No. 3 Coalbed. This Bureau of Mines report describes the technology for infusing water into a longwall panel and reports the results of a recent demonstration in the Lower Sunnyside Coalbed that achieved dust reductions averaging 58 pct. Because water infusion increases moisture content of the coalbed, face air velocities in excess of 500 ft/min (2.5 M/s) are possible, further diluting dust levels before dust entrainment occurs. An economic analysis shows a 23-pct reduction in operating costs when coal production is increased by changing from unidirectional mining to bidirectional mining with water infusion.
Image of publication Water Infusion - An Effective and Economical Longwall Dust ControlReport of Investigations - January 1983
Download PDF Document (0.81 MB)
NIOSHTIC2 Number: 10003253
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8838, 1983 Jan; :1-14
See Also
Controlling Respirable Dust in Coal Mining Operations
Degasification System Selection for U.S. Longwall Mines Using an Expert Classification System
Improved Dust Control Methods for Longwall Mining
Improved Longwall Automation by Utilizing Sensors to Detect the Rock Coal Interface
Methane and Dust Controls for Longwalls: Pocahontas No. 3 Coalbed, Grundy, Va.
Modeling and Prediction of Ventilation Methane Emissions of U.S. Longwall Mines Using Supervised Artificial Neural Networks
Reducing Worker Exposure To Dust Generated During Longwall Mining
Relationship of Coal Seam Parameters and Airborne Respirable Dust at Longwalls
Status of Dust Control Technology on U.S. Longwalls
Technology News 509 - A New Method to Clean Dust From Soiled Work Clothes
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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