Handbook for Methane Control in Mining - AMMSA

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Snyder MP, Schultz MJ, Baran JN [1991]. Face ventilation investigation: Margaret No. 11B,I.D. No. 36–08139, Keystone Coal Mining Corporation, Indiana, Indiana County, Pennsylvania,August 5–7, 1991. Pittsburgh, PA: U.S. Department of Labor, Mine Safety and Health Administration,Pittsburgh Safety and Health Technology Center, Ventilation Division, InvestigativeReport No. P356–V260.Snyder MP, Schultz MJ, Zuchelli DR [1993]. Face ventilation investigation: Peabody CoalCompany, Camp No. 11 mine, ID No. 15–08357, Union County, Kentucky, May 11–13, 1993.Pittsburgh, PA: U.S. Department of Labor, Mine Safety and Health Administration, PittsburghSafety and Health Technology Center, Ventilation Division, Investigative Report No. P382–V285.Stoltz RT, Snyder MP [1991]. Face ventilation investigation: Buck Creek mine, ID No. 12–02033, Laswell Coal Company Incorporated, Sullivan, Sullivan County, Indiana, January 8–10,1991. Pittsburgh, PA: U.S. Department of Labor, Mine Safety and Health Administration, PittsburghHealth Technology Center, Ventilation Division, Investigative Report No. P346–V250.Stoltz RT, Snyder MP, Baran J [1991]. Face ventilation investigation: Big Bottom mine, ID No.15–12618, Rawl Sales and Processing Company, McCarr, Pike County, Kentucky, October 22–29, 1991. Pittsburgh, PA: U.S. Department of Labor, Mine Safety and Health Administration,Pittsburgh Safety and Health Technology Center, Ventilation Division, Investigative ReportNo. P358–V262.Taylor CD, Zimmer JA [2001]. Effects of water sprays and scrubber exhaust on face methaneconcentrations. In: Proceedings of the Seventh International Mine Ventilation Congress(Krakow, Poland, June 17–22, 2001), pp. 465–470.Taylor CD, Kovscek PD, Thimons ED [1995]. Monitoring machine-mounted dust scrubber performance.In: Wala AM, ed. Proceedings of the Seventh U.S. Mine Ventilation Symposium(Lexington, KY, June 5–7, 1995). Littleton, CO: Society of Mining Engineers, pp. 419–422.Taylor CD, Rider JP, Thimons ED [1996]. Changes in face methane concentrations using highcapacityscrubbers with exhausting and blowing ventilation. SME preprint 96–167. Littleton,CO: Society for Mining, Metallurgy, and Exploration, Inc.Taylor CD, Rider JP, Thimons ED [1997]. Impact of unbalanced intake and scrubber flows onface methane concentrations. In: Ramani RV, ed. Proceedings of the Sixth International MineVentilation Congress (Pittsburgh, PA, May 17–22, 1997). Littleton, CO: Society for Mining,Metallurgy, and Exploration, Inc, pp. 169–172.Taylor CD, Thimons ED, Zimmer JA [1999]. Comparison of methane concentrations at a simulatedcoal mine face during bolting. In: Tien JC, ed. Proceedings of the Eighth U.S. Mine VentilationSymposium. Rolla, MO: University of Missouri-Rolla Press, pp. 171–178.Thimons ED, Taylor CD, Zimmer JA [1999]. Evaluating the ventilation of a 40-foot two-passextended cut. Pittsburgh, PA: U.S. Department of Health and Human Services, Public Health53
54Service, Centers for Disease Control and Prevention, National Institute for Occupational Safetyand Health, DHHS (NIOSH) Publication No. 99–138, RI 9648.Tien JC [1989]. Face ventilation during crosscut development in a room and pillar operation.In: Proceedings of the Fourth U.S. Mine Ventilation Symposium (Berkeley, CA, June 5–7,1989).Urosek JE, Francart WJ [1999]. Methane ignitions on roof bolters in underground coal mines.In: Tien JC, ed. Proceedings of the Eighth U.S. Mine Ventilation Symposium. Rolla, MO:University of Missouri-Rolla Press.Urosek JE, Battistoni CS, Hazuza GG [1988]. Remote brattice face ventilation systems. In:Frantz RL, Ramani RV, eds. Respirable dust in the minerals industries: health effects, characterization,and control. University Park, PA: The Pennsylvania State University.Volkwein JC, Wellman TS [1989]. Impact of water sprays on scrubber ventilation effectiveness.Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 9259. NTIS No.PB90108820.Wallhagen RE [1977]. Development of optimized diffuser and spray fan systems for coal mineface ventilation. Waltham, MA: Foster-Miller Associates. U.S. Bureau of Mines contract No.H0230023. NTIS No. PB277987.Zuchelli D, Stoltz R, Baran J [1993]. Face ventilation investigation, Peabody Coal Company,Martwick mine, ID No. 15–14074, Central City, Muhlenberg County, Kentucky, January 26–28,1993. Pittsburgh, PA: U.S. Department of Labor, Mine Safety and Health Administration,Pittsburgh Safety and Health Technology Center, Ventilation Division, Investigative ReportNo. P377–V280.
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TMIC 9486Information Circular/2006H
Page 3 and 4:
ORDERING INFORMATIONCopies of Natio
Page 5 and 6:
ILLUSTRATIONS—ContinuedPage4-6. U
Page 8: HANDBOOK FOR METHANE CONTROL IN MIN
Page 11 and 12: 4Below 5%, called the lower explosi
Page 13 and 14: 6reduced pressure, except at very l
Page 15 and 16: 8Static electricity. Protection aga
Page 17 and 18: 10Figure 1-4.—Estimated methane c
Page 19 and 20: 12LAYERING OF METHANE AT THE MINE R
Page 21 and 22: 14good eyesight. 24methane level.Ot
Page 23 and 24: 16a material balance indicated that
Page 25 and 26: 18As an example, assume that themet
Page 27 and 28: 20Figure 1-10.—Relative frequency
Page 29 and 30: 22Davies AW, Isaac AK, Cook PM [200
Page 31 and 32: 24Margerson SNA, Robinson H, Wilkin
Page 33 and 34: CHAPTER 2.—SAMPLING FOR METHANE I
Page 35 and 36: 29USING PORTABLE METHANE DETECTORST
Page 37 and 38: Out-of-range gas concentrations in
Page 39 and 40: Figure 2-3.—Recorder chart from a
Page 41 and 42: 35Industrial Scientific Corp. [2004
Page 43 and 44: 38peaks, not the overallmethane lev
Page 45 and 46: 40hung on J-hook assemblies, which
Page 47 and 48: 42Methane dilution effectiveness.Th
Page 49 and 50: 44found that effective scrubber ope
Page 51 and 52: 46When the scrubber exhaust is not
Page 53 and 54: 48Methane monitors are usually moun
Page 55 and 56: 50to use radial bits instead of con
Page 57: 52Mott ML, Chuhta EJ [1991]. Face v
Page 61 and 62: 56Methane accumulationsaround thesh
Page 63 and 64: 58corner and by 43% at supportNo. 4
Page 65 and 66: 60When using water sprays to reduce
Page 67 and 68: 62Cecala AB, Zimmer JA, Thimons ED
Page 69 and 70: 64DESIGNING BLEEDER SYSTEMSAs part
Page 71 and 72: 66Caved area characteristics. The c
Page 73 and 74: 68then move this gas into the activ
Page 75 and 76: 70perform tests to determine whethe
Page 77 and 78: 72A major purpose of the bleeder sy
Page 79 and 80: 74• Inlets to the pillared area n
Page 81 and 82: 76REFERENCESCFR. Code of federal re
Page 83 and 84: 78Methane is released into each min
Page 85 and 86: 80Figure 6-1.—Gas content of coal
Page 87 and 88: 82Figure 6-3.—Simplified illustra
Page 89 and 90: 842. In-mine inclined or vertical b
Page 91 and 92: 861. Packed cavity method and its v
Page 93 and 94: 88Table 6-3.—Methane capture rati
Page 95 and 96: 90Early experiences with this metho
Page 97 and 98: 9211. At the surface installation (
Page 99 and 100: 94• Estimated cost for moderately
Page 101 and 102: 96Thakur PC [1981]. Methane control
Page 103 and 104: 98Anomalous, unanticipated methane
Page 105 and 106: 100Vertical methane drainage boreho
Page 107 and 108: 102Figure 7-2 shows a mine entry ap
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104obvious solution to this problem
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106Figure 7-8.—Hypothetical gas c
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108Lama and Bodziony [1998] compile
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110In-mine methane drainage systems
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112Iannacchione AT, Ulery JP, Hyman
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114More sophisticated reservoir eng
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116coal lithotype on gas content is
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118FORECASTING REMAINING GAS-IN-PLA
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120⎛ y⎞⎜⎛⎞ ⎛ ⎞= ⎜
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122emissions. The geometry and size
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124Reservoir models require a subst
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126King GR, Ertekin T [1989a]. A su
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128an area of 314 ft 2 would requir
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130In the case of the abovementione
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132FILLING SHAFTS AT CLOSED MINESFi
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134Hinderfeld G [1995]. Ventilation
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136To calculate the effectiveinert,
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138exhaust. The remaining diesel ex
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140required only 4 min. As a result
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142Figure 11-1.—Desorption test a
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144enclosed in a tunnel-like struct
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146Kolada RJ [1985]. Investigation
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148air in a 6-ft by 9-ft by 6.5-ft
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150represents flammable mixtures. F
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152• In Eastern Europe, petroleum
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154Category II applies to domal sal
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1562. Monitoring for gas and taking
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158These mines typically have large
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160Dave Graham is the safety and he
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162Figure 13-2.—Examples of metha
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164REFERENCESAndrews JN [1987]. Nob
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166APPENDIX A.—ONTARIO OCCUPATION
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169CHAPTER 14.—PREVENTING METHANE
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Ways to confirm the presence of gas
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173The tunnel face is usually venti
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175Figure 14-5.—TBM ventilation s
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face. While one of these elements a
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179ELIMINATING IGNITION SOURCESElec
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181INDEXAAbnormally gassy faces....
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183NNatural ventilation, coal silos
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Delivering on the Nation’s Promis
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