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Mining Publication: Using Sulfur Hexafluoride as a Gaseous Tracer to Study Ventilation Systems in Mines
Keywords: Chromatography Sulfur hexafluoride Ventilation
Original creation date: January 1974
Authors: ED Thimons, RJ Bielicki, FN Kissell
Report of Investigations - January 1974
Download PDF Document (0.99 MB)
NIOSHTIC2 Number: 10000741
Source Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7916, 1974 Jan; :1-22
The Bureau of Mines found sulfur hexafluoride (SF6), released from a lecture bottle, to be an ideal gaseous tracer for studying mine ventilation systems. Air samples were collected in glass syringes and analyzed by electron-capture gas chromatography. In these studies, the lower limit of detection was about 1 part per billion by volume (ppb) of SF6 per part of air. Experiments conducted in a Pennsylvania limestone mine showed this technique useful in evaluating the effectiveness of auxiliary fans, measuring low flow velocities, probing the air circulating near a working face region where ventilation appeared to be poor, and estimating volumetric flow rates in airways of large cross-sectional area and having low flow velocities. This technique was also used in a western vein-type metal mine to measure the amount of return air being recirculated into the intake air due to leakage through old stoped areas.
Image of publication Using Sulfur Hexafluoride as a Gaseous Tracer to Study Ventilation Systems in MinesReport of Investigations - January 1974
Download PDF Document (0.99 MB)
NIOSHTIC2 Number: 10000741
Source Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 7916, 1974 Jan; :1-22
See Also
Development and Application of Reservoir Models and Artificial Neural Networks for Optimizing Ventilation Air Requirements in Development Mining of Coal Seams
Dust Considerations When Using Belt Entry Air to Ventilate Work Areas
Evaluating Ventilation Parameters of Three Coal Mine Gobs
Evaluation of the Relative Importance of Coalbed Reservoir Parameters for Prediction of Methane Inflow Rates During Mining of Longwall Development Entries
Face Ventilation Measurement with Sulfur Hexafluoride (SF6)
Modeling and Prediction of Ventilation Methane Emissions of U.S. Longwall Mines Using Supervised Artificial Neural Networks
Strengthening Existing 20-psi Mine Ventilation Seals With Carbon Fiber-Reinforced Polymer Reinforcement
Sulfur Hexafluoride as a Mine Ventilation Research Tool - Recent Field Applications
Three Coal Mine Ventilation Studies Using Sulfur Hexafluoride Tracer Gas
Use of Vertical Boreholes for Assisting Ventilation of Longwall Gob Areas
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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