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  • Advances in the Use of Passive Wetland Systems for

    Selenium is Present in Surface Coal Mine Drainage Choice: Passive or Active Treatment?Choice: Passive or Active Treatment? Natural Systems Conventional Systems •Land Intensive •Capital construction cost •Natural processes •Energy/chemical dependent

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  • Oil, Gas & Coal Taxation OU Law

    Oil, Gas & Coal Taxation Jonathan B. Forman University of Oklahoma College of Law interest is eligible for capital gains treatment Passive activity loss rules generally do not apply to working interests in oil & gas. 9. The Major Tax Benefits Treatment: Coal

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  • Abandoned Mine Restoration Mountain Watershed Association

    This is the newest of our passive treatment systems and is loed in the village of Melcroft in Saltlick Township, Fayette County, along Melcroft Road. The system remediates the abandoned Melcroft No. 3 coal mine and drainage from the abandoned refuse pile improving the water quality in Champion Creek and Indian Creek.

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  • Passive Treatment Options for the Warden Mine Discharge

    Passive Treatment Options for the Warden Mine Discharge, Elizabeth Township, Allegheny County, PA Prepared for Pennsylvania Environmental Council by Hedin Environmental June 12, 2012 Background The Warden Mine is an abandoned underground coal mine that discharges a large flow of Fecontaminated water to Douglass Run.

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  • Passive Treatment of Coal Mine Drainage

    passive treatment systems are generally measured in their land use requirements. Passive treatment systems use con taminant removal processes that are slower than that of conventional treatment and thus require longer retention times and larger areas to achieve similar results. The goal of passive mine drainage treatment systems

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  • A Survey of Experience Gained from the Treatment of Coal

    Both active and passive methods of AMD treatment are discussed in order to provide a general picture of the measures that have been taken around the world by coal mining companies. From this study, we were able to conclude that in order to choose the appropriate method for a specific mining site it is necessary to analyze the chemistry of the

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  • The Passive Treatment of Coal Mine Drainage Robert Nairn

    The Passive Treatment of Coal Mine Drainage. Uploaded by. Robert Nairn. Download with Google Download with Facebook or download with email. The Passive Treatment of Coal Mine Drainage. Download. The Passive Treatment of Coal Mine Drainage. Uploaded by.

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  • Passive Treatment Technologies for the Treatment of AMD

    The general aim of the research was to contribute towards mine water treatment solutions in SA by investigating different passive treatment systems in remediating AMD from coal mines.

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  • Acid mine drainage: Prevention, treatment options, and

    The results of detailed life cycle assessment analysis of five various passive and two active AMD treatment approaches conducted at a major coal mine in New Zealand also confirmed similar fact that the active treatment option has greater life cycle assessment impacts compared to the passive treatment approaches (Hengen et al., 2014). This is

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  • Effective Treatment Options for Acid Mine Drainage in the

    Kirby, Daniel, "Effective Treatment Options for Acid Mine Drainage in the Coal Region of West ia" (2014).Theses, Dissertations Passive Treatment of Acid Mine Drainage .9 Methodology Coal mining has a long history in the state of West ia and until recently mining was

    Authors: Daniel KirbyAffiliation: Marshall UniversityChat Online
  • Passive Treatment of Acidic Coal Mine Drainage Springer

    The Anna S Mine Passive Treatment Complex was designed and constructed with funding provided by the Pennsylvania Department of Environmental Resources Growing Greener Program, the US Office of Surface Mining Clean Streams Initiative, the Foundation for Pennsylvania Watersheds, and the Babb Creek Watershed Association.

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  • Upper Chartiers Discharges

    Land between the discharges and Chartiers Creek is valuable commercial property, making adequate area for passive treatment problematic. With the Wingfield Pines project, iron levels should be below instream standard through this segment and Chartiers Creek can better assimilate discharges from Coal

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  • Promotion of Mn(II) Oxidation and Remediation of Coal Mine

    Biologically active, passive treatment systems are commonly employed for removing high concentrations of dissolved Mn(II) from coal mine drainage (CMD).

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  • 10PassiveZipperSkMWE.pdf Alkalinity Solubility

    Hedin R, Nairn R, Kleinmann R (1994) Passive treatment of coal to field validation in an integrative assessment of an acid mine mine drainage. US Bureau of Mines IC 9389, US Dept of the drainageimpacted watershed.

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  • A Summary of Passive and Active Treatment Technologies for

    passive treatment systems often use organic matter to provide alkalinity and create reducing conditions which favour the precipitation of metal sulphides. 1 Equation 1 is applicable to sites such as coal mines where Fe, Al and Mn represent the dominant components of "Acidity".

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  • PASSIVE AND SEMIACTIVE TREATMENT OF ACID ROCK

    During the past 20 years since research in passive and semiactive treatment methods began, researchers have gained a better understanding and respect for the complex interaction of the myriad of biological, chemical, and physical processes involved in the formation and treatment of ARD.

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  • Passive Treatment of MiningInfluenced Water: From Bench

    Passive treatment refers to processes that do not require frequent human intervention, operation, or maintenance, and typically employ natural construction materials, natural treatment media, and promote growth of natural vegetation.

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  • Temperature independent removal of iron in a passive mine

    passive treatment. Many mine drainages from flooded underground coal mines around the world are net alkaline solutions with pH 67 and elevated concentrations of Fe (1,2,18,) Marchand Mine Passive Treatment System The Marchand passive treatment system was installed in 2006 to treat a

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  • Effective Passive Treatment of Coal Mine Drainage Hedin Env

    specializes in passive mine water treatment. Since 1994 HE has designed 47 passive treatment systems that have been installed largely in Pennsylvania. The design of the systems follows guidance presented by US Bureau of Mines Information Circular 9389, Passive Treatment of Coal Mine Drainage (Hedin, Nairn, and Kleinmann 1994).

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  • Passive Treatment of European Mine Water

    the passive treatment of coal mine drainage (Hedin et al., 1994) proved serendipitous for the UK mining and water industries, and the USBM design guidelines enjoyed rapid and enthusiastic uptake (Younger, 1995 Younger and Harbourne, 1995 Younger, 1997b).

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  • (PDF) Advances in Passive Treatment of Coal Mine Drainage

    This report updates the review of passive treatment prepared by the Acid Drainage Technology Initiative (Skousen et al., 1998). Important advances since that report include: 1.

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  • Mine Water Management & Treatment Foster Wheeler

    Passive mine water treatment Amec Foster Wheeler has expertise in implementing passive water treatment technologies at coal and hardrock mines worldwide to increase water pH, remove metals, metalloids, and nutrients. Passive treatment systems, when appropriate, can offer several advantages

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  • THE EVOLUTION OF PASSIVE MINE WATER TREATMENT

    Passive water treatment technology has a key role to play in the treatment of contaminated mine waters that typically contain elevated levels of acidity, metals and sulphates. While there are different types of passive treatment technology available to the

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  • Passive treatment of coal mine drainage (Book, 1994

    Note: Citations are based on reference standards. However, formatting rules can vary widely between appliions and fields of interest or study. The specific requirements or preferences of your reviewing publisher, classroom teacher, institution or organization should be applied.

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  • Selection of active and passive treatment systems for AMD

    Choice between active and passive treatment and appropriate selection of systems within each egory is critical for treatment success. In general, active treatment is more commonly used at operational mines whereas passive treatment is typically considered for closed and abandoned mines.

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  • Reference Guide to Treatment Technologies for Mining

    to Treatment Technologies for MiningInfluenced Water. report are applicable to treatment of water from both coal and hardrock mine operations. The passive treatment of MIW generally requires longterm maintenance and funding.

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  • Mining Waste Treatment Technology Selection—Case Study

    To test chitin from crab shells as a method of AMD treatment, samples of surface water, sediment, and soils were taken in Kittanning Run approximately 2.7 miles downstream of the nearest coal mine (latitude 40.49781N, longitude 78.47633W), in Blair County, Pennsylvania (Figure 11).

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  • REVIEW OF PASSIVE SYSTEMS FOR TREATMENT OF ACID

    REVIEW OF PASSIVE SYSTEMS FOR TREATMENT OF ACID MINE DRAINAGE MEND Report 3.14.1 This work was done on behalf on MEND and sponsored by Natural Resources Canada as well as the Ontario Ministry of Northern

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  • A Semi Passive Approach to Treating AMD at a Coal Mine

    Treatment Plant Coal Refuse Area #4 Coal Refuse Area #6 1 2 4 3 5. Data AnalysesData Analysis – Water Quality –Acidity Loadings SemiPassive Treatment • Utilizes moving parts and chemicals WITHOUT continuous power and labor required for active systems.

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  • USERFRIENDLY GEOCHEMICAL MODELING TO EVALUATE

    1 USERFRIENDLY GEOCHEMICAL MODELING TO EVALUATE PASSIVE AND ACTIVE TREATMENT FOR COALMINE DISCHARGES Charles A. Cravotta III, Research Hydrologist,

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  • The Passive Treatment of Coal Mine Drainage

    Passive treatment of mine water uses chemical and biological processes to decrease metal concentrations and neutralize acidity. Compared to conventional chemical treatment, passive methods generally require more land area, but use less costly reagents,

    Authors: George R Watzlaf · Karl T Schroeder · Robert L P Kleinmann · Candace L Kairies · RoAffiliation: United States Department of Energy · University of OklahomaAbout: Coal miningChat Online
  • Treatment of HighFlow, LowIron Mine Drainage with a

    For many abandoned coal mine sites, conventional treatment of mine drainage is cost prohibitive. Passive treatment using wetlands, anoxic limestone drains and reducing and alkalinity producing systems have been very successful at numerous sites (Watzlaf et al., 2004). Selection of the most effective unit operations is based on water quality.

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  • Passive treatment of mine drainage: Options, challenges

    appropriate passive treatment option • Selection is based around one, or a combination of, flowrate, acidity and (which) metals present • Historically, many such flow charts (and remediation initiatives) focussed on passive treatment of coal mine drainage (acidity, Fe, Mn, Al)

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  • Passive Treatment of Acidic Coal Mine Drainage: The Anna S

    The last major treatment project focused on the Anna S Mine Complex, which discharges approximately 2,800 L min1 of AMD to Wilson Creek, a major tributary of Babb Creek. In 2003/04, passive treatment was installed for three of the four discharges from the Anna S Mine complex. The passive treatment system is the largest passive treatment

    Published in: Mine Water and The Environment · 2010Authors: Robert S Hedin · Ted Weaver · Neil Wolfe · Kimberly WeaverAbout: Coal mining · Acid mine drainage · SeasonalityChat Online
  • Science of Acid Mine Drainage and Passive Treatment

    Passive treatment conceptually offers many advantages over conventional active treatment systems. The use of chemical addition and energy consuming treatment processes are

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  • Hedin Environmental Homepage

    Welcome Hedin Environmental is an environmental consulting firm specializing in assessing and remediating the effects of coal mining and acid mine drainage. Our projects include watershed assessments, restoration planning, passive treatment design, construction management, general technical assistance and the recovery of iron oxide.

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  • Defining manganese(II) removal processes in passive coal

    processes promoting Mn remediation and attenuation in passive Mn(II)removal systems currently utilized for the treatment of coal mine drainage. The objectives of this research were to: (1) measure Mn removal kinetics in controlled laboratory experiments using sediments collected from eight different treatment systems (2)

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  • Coal Mine Water Treatment Miwatek

    Miwatek is able to design and construct coal mine water treatment plants that can recover high quality drinking water from all of these different coal impacted waters and which are able to accommodate the quality and the quantity variations that typically occur over time and season by season.

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