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Coal Mine Methane Recovery - EPA

2019-8-14  This Coal Mine Methane (CMM) Recovery Primer is an update of the 2009 CMM Primer, which reviewed the major methods of CMM recovery from gassy mines. [USEPA 1999 b, 2000, 2001 a,b,c] The intended audiences for this Primer are potential investors in CMM projects and

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Mitigating Coal Mine Methane Emissions US EPA

2021-1-29  Drainage and Degasification. Coal Mine Methane Recovery: A Primer (July 2019) Coal Mine Methane: A Review of Capture and Utilization Practices with Benefits to Mining Safety and to Greenhouse Gas Reduction (March 2011) Best Practice Guidance for Effective Methane Drainage and Use in Coal Mines (February 2010) (PDF) (86 pp, 2 MB) End Uses. CMM ...

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Quantifying the benefits of coal mine methane recovery

2018-5-1  The second mine, the Chinakuri Colliery, is located in the Raniganj coalfield in the state of West Bengal, approximately 220 km from Kolkata ().A total of ten standard coal seams are present in the Raniganj coalfield, of which seams R-VII, R-IV, R-X, and partially R-II have been worked or are currently being worked within the Chinakuri Colliery, which is the deepest mine in India.

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Methane drainage and utilization in coal mines with strong ...

2014-9-1  Evaluation of methane drainage and use effectiveness. The practice of methane drainage and utilization has promoted enhanced safety, environmental mitigation and energy recovery in the Luling mine. Pre-drainage eliminates the risk of outbursts in the Nos. 8, 9 and 10 seams, and post-drainage reduces the overall gas emissions from coal mining.

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Coal Mine Methane Sources US EPA

2020-10-2  Coal mine methane is emitted from five sources: Degasification systems at underground coal mines (also commonly referred to as drainage systems). These systems may employ vertical and/or horizontal wells to recover methane in advance of mining (known as "pre-mine drainage") or after mining (called "gob" or "goaf" wells) Ventilation air from ...

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Recovery of iron oxides from acid mine drainage and their ...

2012-11-30  Recovery of iron oxides from acid mine drainage and their application as adsorbent or catalyst. Flores RG(1), Andersen SL, Maia LK, José HJ, Moreira Rde F. Author information: (1)Department of Chemical and Food Engineering, Federal University of Santa Catarina, Campus Universitário, Trindade, 88040-900 Florianópolis, SC, Brazil.

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Best Practice Guidance for Effective Methane Drainage

2020-9-15  The Best Practice Guidance on Effective Methane Drainage and Use in Coal Mines fills a critical void. Recommended principles and standards on coal mine methane (CMM) capture and use are set out in a clear and succinct presentation to provide decision-makers with a solid base of understanding from which to direct policy and commercial decisions.

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Coal Mine Methane Recovery A Primer - EPA

USEPA, 2008b. Identifying opportunities for methane recovery at U.S. coal mines: Profiles of selected gassy underground mines 2002-2006. EPA 430-K-04-003 USEPA, 2008C. Upgrading Coal Mine Methane to Pipeline Quality: A Report on the Commercial Status of System Suppliers. F.P.Carothers, H.L.Schultz. Wang, A., 1997.

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Recovery of iron(II) and aluminum(III) from acid mine ...

2020-10-1  Acid mine drainage (AMD) released from gold and coal mining contains a large quantity of heavy metals, thus being a threat to the surrounding ecosystem. The recovery of metals from AMD can both address the potential contamination and bring more economic profits.

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A probabilistic assessment of enhanced coal mine

2014-9-1  Enhanced coal mine methane drainage (ECMM) is a strategy that has been proposed for reducing fugitive emissions during coal mining. This paper presents a methodology for incorporating risk from uncertainty in reservoir properties and economic parameters in a techno-economic assessment of enhanced gas drainage of coal mines.

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Recovery of Methane from the Abandoned Golden Eagle

2020-11-4  the mine, Stroud Oil Properties, Inc. (Stroud) recognized that converting existing gob boreholes and mine shafts to methane drainage wells could provide a relatively low-cost means of recovering methane from the mine. Stroud began this methane recovery

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Recovery of iron oxides from acid mine drainage and their ...

Iron oxide particles recovered from acid mine drainage represent a potential low-cost feedstock to replace reagent-grade chemicals in the production of goethite, ferrihydrite or magnetite with relatively high purity. Also, the properties of iron oxides recovered from acid mine drainage mean that the

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Recovery of iron oxides from acid mine drainage and their ...

2012-11-30  Recovery of iron oxides from acid mine drainage and their application as adsorbent or catalyst. Flores RG(1), Andersen SL, Maia LK, José HJ, Moreira Rde F. Author information: (1)Department of Chemical and Food Engineering, Federal University of Santa Catarina, Campus Universitário, Trindade, 88040-900 Florianópolis, SC, Brazil.

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Pre-feasibility Study for Coal Mine Methane Drainage

2021-2-25  Pre-feasibility Study for Coal Mine Methane Drainage and Utilization at the Kozlu Coal Mine in Zonguldak, Turkey March 2015. ... recovery, and use of methane as a valuable clean energy source. GMI achieves its goals by creating an international network of partner governments, private sector members, development banks, ...

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Recovery of Metals from Acid Mine Drainage by ...

Acid mine drainage (AMD) is a typical source of environmental pollution ascribing to its characteristics of high acidity and heavy metal content. Currently, most strategies for AMD treatment merely focus on metal removal rather than metal recovery. However,

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(PDF) Recovery of marketable iron oxide from mine

The iron oxide used in these trials is called Marchand iron oxide (FeOOH; Hedin Environmental, Pittsburgh, Pa.) and is a dry, fine-powder product dredged from passive lagoons at Acid Mine Drainage ...

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Developments in Coal Mine Methane Drainage and

2019-1-18  Black, D J and Aziz, N I, 2009. Developments in coal mine methane drainage and utilisation in Australia, in Proceedings of the Ninth International Mine Ventilation Congress, Department of Mining Engineering, Indian School of Mines University, Dhanbad, India, 10-13 November, pp 445-460

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Identifying Opportunities for Methane Recovery at U.S ...

----- Table of Contents Page # Acknowledgements i List of Figures iv List of Tables iv Frequently Used Terms v Frequently Used Abbreviations vii 1. Executive Summary Methane Emissions and Recovery Opportunities 1-1 U.S. EPA 1-1 Coal Mine Methane (CMM) Recovery Opportunities 1-2 Opportunities for Methane Recovery Projects 1-3 Overview of Methane Liberation, Drainage, and Use at Profiled Mines

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Recovery of iron(II) and aluminum(III) from acid mine ...

The biological oxidation of ferrous iron in high acid mine drainage was studied both in the batch experiment and in the fluidized bed reactor with the Amberlite IRA-938 as a support medium.

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(PDF) Methane drainage and utilization in coal mines with ...

Methane drainage and utilization in coal mines with strong coal and gas outburst dangers: A case study in Luling mine, China September 2014 Journal of Natural Gas Science and Engineering 20:357-365

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Coal Mine Methane Developments in the United States

2015-5-26  coal mine methane. 1. CMM recovery and use provides increased mine safety. Worldwide, there have been thousands of recorded fatalities from underground mine explosions in which methane was a contributing factor. Methane drainage systems reduce the methane that must be removed by the mine’s ventilation system, ultimately

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Coal Mine Methane: A Review of Capture and Utilization ...

2012-8-30  Coal mine methane (CMM) is a general term for all methane released mainly during and after mining operations. Although, methane captured prior to mining can also be considered associated to mining and thus can be considered as coal mine methane, it can also be termed as coalbed methane (CBM). CMM shows great variability in flow rate and

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Developments in Coal Mine Methane Drainage and

2019-1-18  Black, D J and Aziz, N I, 2009. Developments in coal mine methane drainage and utilisation in Australia, in Proceedings of the Ninth International Mine Ventilation Congress, Department of Mining Engineering, Indian School of Mines University, Dhanbad, India, 10-13 November, pp 445-460

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New Trends in Coalmine Methane Recovery and

2021-5-4  Degasification, with a focus on New Trends in Coal Mine Methane Recovery and Utilization in the USA. His speech covered drainage technologies, including surface wells and in-mine drainage. Mr. Kelafant described in detail pre-drainage via vertical wells, gob wells, in-seam/in-mine horizontal boreholes, and cross-measure boreholes. 5.

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Compliance Offset Protocol Mine Methane Capture

2020-6-30  underground mine methane drainage or ventilation air methane activity. (6) “ASTM” means the American Society of Testing and Materials. (7)(6) “Basin” is

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Recovery of Iron from Acid Mine Drainage in the Form of

2018-1-11  The procedure of iron oxides recovery from the acid mine drainage involves several steps. 1) The ferrous iron present in AMD was oxidized using 31% H 2 O 2 in the continuously stirred beaker. The required amount of hydrogen peroxide was determined in

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An investigation of the key factors influencing methane ...

In order to improve the efficiency of CBM recovery and avoid the huge investment of purchasing ground drainage and recovery equipment in LiuLin Block, an engineering test for connecting ground ...

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Mine drainage: Remediation technology and resource

drainage; mine drainage; passive treatment; rare earth elements; recourse recovery Overview Mine drainage from active or abandoned mining sites is a global environmental issue and managing its impact for compliance has great economic implications due to its persistent nature. In particular, acid mine drainage (AMD) typically contains elevated ...

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Methane drainage - SlideShare

2019-11-17  INTRODUCTION Methane drainage, is also called coal degasification, is the practice of removing methane gas in a coal seam and adjoining strata through wellbores, drillholes, and pipelines. 3. Underground coal mining is the oldest mineral extraction activity and traditionally faces the challenges of coal bed methane.

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Recovery and reuse of sludge from active and passive ...

2016-10-18  The treatment of mine drainage-impacted waters generates considerable amounts of sludge, which raises several concerns, such as storage and disposal, stability, and potential social and environmental impacts. To alleviate the storage and management costs, as well as to give the mine sludge a second life, recovery and reuse have recently become interesting options. In this review,

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