Potential Acid Mine Drainage Treatment Utilizing Acidophilic Sulfate Reducing Bacteria in an Upflow Bioreactor

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ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (882 download)

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Book Synopsis Potential Acid Mine Drainage Treatment Utilizing Acidophilic Sulfate Reducing Bacteria in an Upflow Bioreactor by : Elise Fay Kittrell

Download or read book Potential Acid Mine Drainage Treatment Utilizing Acidophilic Sulfate Reducing Bacteria in an Upflow Bioreactor written by Elise Fay Kittrell and published by . This book was released on 2014 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: "During coal and iron mining, pyrite is often exposed to oxygen, causing acid mine drainage (AMD). Acid mine drainage has characteristic traits of: a rust color, low pH levels (around 3 or 4) and high concentrations of sulfate, metal sulfates and heavy metals. Sulfate reducing bacteria (SRB) are often utilized in acid mine drainage treatment by implementing them into biochemical reactors (BCR). As SRB break down various carbon sources, bicarbonate is produced, raising the pH and generating hydrogen sulfide which reacts with numerous metals. This approach can be troublesome, as SRBs do not thrive at low pH levels often associated with AMD. Previous studies have found acidophilic sulfate reducing bacteria (aSRB) able to reduce sulfate and remove metals at pH values as low as 3.25. However these studies often use easily degradable carbon sources like ethanol, lactic acid and glycerol. In the present study, various solid carbon sources at a pH range of 3.0 to 6.0, high and low sulfate concentration, and media that provided either sulfate or iron as an electron acceptor were tested. Of the five carbon sources, sweet potato and horse manure resulted in black precipitate, indicating possible sulfate reduction. To mimic a BCR, column studies were conducted. After flowing pH 3.5 to 4.0 synthetic AMD through the upflow columns for 117 days, pH was raised to between 6.0 and 7.0. Sulfate reduction was evident in one column containing sweet potato and inoculum, but no others were active in this ongoing study. A leading hypothesis is that complete reduction was inhibited by the presence of fermenting bacteria."--Abstract, page iii.

Treatment of Acid Mine Drainage Using Membrane Bioreactor

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ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (5 download)

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Book Synopsis Treatment of Acid Mine Drainage Using Membrane Bioreactor by : Prasanna M. Rao

Download or read book Treatment of Acid Mine Drainage Using Membrane Bioreactor written by Prasanna M. Rao and published by . This book was released on 2001 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acid mine drainage is a severe water pollution problem attributed to past mining activities. The exposure of the post-mining mineral residuals to water and air results in a series of chemical and biological oxidation reactions, that produce an effluent which is highly acidic and contains high concentrations of various metal sulfates. Several treatment techniques utilizing sulfate reducing bacteria have been proposed in the past; however few of them have been practically applied to treat acid mine drainage. This thesis presents results of treatment of acid mine drainage using bio-membrane reactors. The acid mine drainage water was obtained from Berkeley Pit in Butte, Montana and was treated using hydrogen-consuming sulfate reducing bacteria in these reactors. After analyzing the results of this study, it is proposed that the membrane reactor system can be applied towards the treatment of acid mine drainage to produce usable water.

Passive Treatment of Acid Mine Drainage with Sulphate Reducing Bacteria

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ISBN 13 : 9780494858950
Total Pages : 125 pages
Book Rating : 4.8/5 (589 download)

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Book Synopsis Passive Treatment of Acid Mine Drainage with Sulphate Reducing Bacteria by : Ryan Andrew Peterson

Download or read book Passive Treatment of Acid Mine Drainage with Sulphate Reducing Bacteria written by Ryan Andrew Peterson and published by . This book was released on 2013 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research was completed to assess passive treatment methods for mitigation of acid mine drainage (AMD) at a former mine site in British Columbia. The objectives were to determine if suitable passive treatment methods were available, and if concentrations of Cd, Zn, and other key contaminants in groundwater could be reduced to below regulatory standards during bench-scale testing. Biological treatment with sulphate reducing bacteria (SRB) was selected, and bench-scale treatment testing was conducted using columns amended with low cost organic sources. Removal of more than 99% Cd, 93% Co, 96 % Cu, 86% Ni and 98% Zn was observed, resulting in metals concentrations in treated effluent consistently lower than applicable groundwater standards. Sustainability attributes of treatment with SRB and the potential to recover valuable metals are discussed, and recommendations for further testing and implementation are provided. Keywords : acid mine drainage, passive treatment, sulphate-reducing bacteria, bioreactor.

Microbiological Treatment of Acid Mine Drainage Waters

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ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Microbiological Treatment of Acid Mine Drainage Waters by : Louis B. Whitesell

Download or read book Microbiological Treatment of Acid Mine Drainage Waters written by Louis B. Whitesell and published by . This book was released on 1971 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the study was to determine if the abilities of certain bacteria to oxidize ferrous iron or to convert sulfate to hydrogen sulfide could be applied to the neutralization and subsequent removal of iron from difficult-to-treat mine drainage waters. If one or both of these concepts could be successfully utilized, the expense of adequately treating these types of problem waters might be significantly reduced. Laboratory studies demonstrated that both pure cultures and fresh field cultures of acidophilic iron bacteria could readily oxidize ferrous iron in both synthetic and natural acid mine drainage waters. Approximate requirements of oxygen, carbon dioxide, nitrogen and phosphorus by the iron bacteria were established. Limestone neutralizations of partially oxidized acid mine waters were conducted. Although sulfate-reducing bacteria were isolated, attempts to grow the cultures or produce hydrogen sulfide at pH values below 5.5 were unsuccessful.

The Applicability of Passive Treatment Systems for the Mitigation of Acid Mine Drainage at the Williams Brothers Mine, Mariposa County, California

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ISBN 13 : 9780494369647
Total Pages : 0 pages
Book Rating : 4.3/5 (696 download)

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Book Synopsis The Applicability of Passive Treatment Systems for the Mitigation of Acid Mine Drainage at the Williams Brothers Mine, Mariposa County, California by : Erin Jane Clyde

Download or read book The Applicability of Passive Treatment Systems for the Mitigation of Acid Mine Drainage at the Williams Brothers Mine, Mariposa County, California written by Erin Jane Clyde and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Williams Brothers Mine is located in Mariposa County, California. Surface waters from the site drain into the south fork of the Merced River and the San Joaquin River Basin. The mine was developed in the 1980s and mined intermittently until 1996. In 1998, concerns of acidic drainage at the site arose. Effluent sampling by Engineering Remediation Resources Group (ERRG) found acid mine drainage (AMD) characterized by a pH of 3.9, sulphate concentrations of 100 mg/L and low metal concentrations of 0.074, 4.60, 1.23, 0.047 and 0.133 mg/L for Cu, Fe, Mn, Ni and Zn, respectively. The aim of this research was to evaluate passive treatment system alternatives for the mitigation of the AMD to meet water quality objectives for the San Joaquin River Basin. A bench-scale study was undertaken which consisted of 3 systems treating synthetic AMD: (1) a peat biofilter to remove dissolved metals followed by an anoxic limestone drain (ALD) to increase alkalinity and pH; (2) a sulfate reducing bacteria (SRB) bioreactor followed by an ALD, in which SRB reduce sulphate to sulfides, generating alkalinity and decreasing metal concentrations via metal sulfide precipitation; and (3) a SRB bioreactor. Synthetic AMD was produced to represent AMD characteristics observed at the site. The peat-ALD system effluent pH was 6.9 and concentrations of Fe and Cu decreased to below water quality objectives with concentrations of 0.008 and 0.06, respectively. The SRB-ALD and SRB system effluents met water quality objectives for pH and Cu, Ni and Zn metal concentrations. The effluent pH for both systems was 6.5. The SRB-ALD system reduced Cu, Ni and Zn to concentrations of 0.004, 0.016 and 0.025 mg/L, respectively. The SRB system reduced metal concentrations for Cu, Ni and Zn 0.006, 0.010 and 0.027 mg/L, respectively. Based on the bench-scale study, the pilot-scale system consisted of a combined passive treatment system containing a peat biofilter, SRB bioreactor and a limestone drain. Pilot-scale testing commenced on May 23rd, 2007. To date, some metal attenuation has been observed, with average effluent concentrations of Cu, Fe, Mn, Ni and Zn equal to

Microbiological Treatment of Acid Mine Drainage Waters

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ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.:/5 (76 download)

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Book Synopsis Microbiological Treatment of Acid Mine Drainage Waters by : Louis B. Whitesell

Download or read book Microbiological Treatment of Acid Mine Drainage Waters written by Louis B. Whitesell and published by . This book was released on 1971 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the study was to determine if the abilities of certain bacteria to oxidize ferrous iron or to convert sulfate to hydrogen sulfide could be applied to the neutralization and subsequent removal of iron from difficult-to-treat mine drainage waters. If one or both of these concepts could be successfully utilized, the expense of adequately treating these types of problem waters might be significantly reduced. Laboratory studies demonstrated that both pure cultures and fresh field cultures of acidophilic iron bacteria could readily oxidize ferrous iron in both synthetic and natural acid mine drainage waters. Approximate requirements of oxygen, carbon dioxide, nitrogen and phosphorus by the iron bacteria were established. Limestone neutralizations of partially oxidized acid mine waters were conducted. Although sulfate-reducing bacteria were isolated, attempts to grow the cultures or produce hydrogen sulfide at pH values below 5.5 were unsuccessful.

Treatment of Acid Mine Drainage in Sulfate Reducing Bioreactors

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ISBN 13 :
Total Pages : 236 pages
Book Rating : 4.:/5 (271 download)

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Book Synopsis Treatment of Acid Mine Drainage in Sulfate Reducing Bioreactors by : Robin E. Madel

Download or read book Treatment of Acid Mine Drainage in Sulfate Reducing Bioreactors written by Robin E. Madel and published by . This book was released on 1992 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Studies on Sulfate Reducing Bacteria (SRB) for Treatment of Acid Mine Drainage

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ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (44 download)

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Book Synopsis Studies on Sulfate Reducing Bacteria (SRB) for Treatment of Acid Mine Drainage by : Wei Yang

Download or read book Studies on Sulfate Reducing Bacteria (SRB) for Treatment of Acid Mine Drainage written by Wei Yang and published by . This book was released on 1998 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Development of a Fluidised-bed Bioreactor System for the Treatment of Acid Mine Drainage, Using Sulphate Reducing Bacteria

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ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (775 download)

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Book Synopsis Development of a Fluidised-bed Bioreactor System for the Treatment of Acid Mine Drainage, Using Sulphate Reducing Bacteria by : Muhammad Nakhooda

Download or read book Development of a Fluidised-bed Bioreactor System for the Treatment of Acid Mine Drainage, Using Sulphate Reducing Bacteria written by Muhammad Nakhooda and published by . This book was released on 2007 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Use of Sulfate-reducing Bacteria for In-situ Bioremediation in Treatment of Acid Mine Drainage

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (953 download)

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Book Synopsis The Use of Sulfate-reducing Bacteria for In-situ Bioremediation in Treatment of Acid Mine Drainage by : James C. Patula

Download or read book The Use of Sulfate-reducing Bacteria for In-situ Bioremediation in Treatment of Acid Mine Drainage written by James C. Patula and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Microbial Ecology of Sulfate-reducing Bacteria in an Acid Mine Drainage-impacted Watershed and Bioremediation Treatment System

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ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (613 download)

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Book Synopsis Microbial Ecology of Sulfate-reducing Bacteria in an Acid Mine Drainage-impacted Watershed and Bioremediation Treatment System by : Nathan T. Smith

Download or read book Microbial Ecology of Sulfate-reducing Bacteria in an Acid Mine Drainage-impacted Watershed and Bioremediation Treatment System written by Nathan T. Smith and published by . This book was released on 2005 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acid Mine Drainage

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ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Acid Mine Drainage by :

Download or read book Acid Mine Drainage written by and published by . This book was released on 1982 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bioremediation of Acid Mine Drainage Using Sulfate-reducing Bacteria

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ISBN 13 :
Total Pages : 65 pages
Book Rating : 4.:/5 (62 download)

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Book Synopsis Bioremediation of Acid Mine Drainage Using Sulfate-reducing Bacteria by :

Download or read book Bioremediation of Acid Mine Drainage Using Sulfate-reducing Bacteria written by and published by . This book was released on 2006 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Neuralization of Acid Mine Drainage with Sulfate Reducing Bacteria in Mine Gob Piles

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ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (378 download)

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Book Synopsis Neuralization of Acid Mine Drainage with Sulfate Reducing Bacteria in Mine Gob Piles by : Sang Don Kim

Download or read book Neuralization of Acid Mine Drainage with Sulfate Reducing Bacteria in Mine Gob Piles written by Sang Don Kim and published by . This book was released on 1996 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sulfate Reducing Bioreactor Dependence on Organic Substrates for Long-term Remediation of Acid Mine Drainage

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ISBN 13 :
Total Pages : 298 pages
Book Rating : 4.:/5 (894 download)

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Book Synopsis Sulfate Reducing Bioreactor Dependence on Organic Substrates for Long-term Remediation of Acid Mine Drainage by : Evan Robert Walters

Download or read book Sulfate Reducing Bioreactor Dependence on Organic Substrates for Long-term Remediation of Acid Mine Drainage written by Evan Robert Walters and published by . This book was released on 2013 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal-generated acid mine drainage (AMD) is characterized by low-pH waters with excessive loads of dissolved species such as SO4, Fe, Al and Mn along with other elements of environmental concern (i.e. Cd, As, Cr, Ni, Pb, Se and Cu). To mitigate this problem, anaerobic sulfate reducing bioreactors (ASRB) have been implemented as a technology for passive treatment systems that utilize low-cost organic substrates to stimulate biologically enhanced contaminant sequestration. Previous work has identified the establishment of diverse microbial communities in which a hierarchal chain of substrate degradation processes is essential in developing sustainable environments to produce long-lived sulfate-reducing microbial (SRM) populations. In this study, to determine the optimal mixture of substrate types, alternating ratios of herbaceous (ie. leaves, grass, spent brewing grains) and ligneous (i.e. maple wood chips and saw dust) reactor matrices were tested. These results imply that ASRB technologies are promising in remediation of coal-generated AMD and increasing herbaceous content of bioreactors can significantly enhance contaminant sequestration. However, geochemical results also displayed seasonal variation in redox gradients within our field ASRB's which may induce dissolution of the redox sensitive phases produced within bioreactors. Furthermore, optimal microbial-mediated sulfate reduction may be inhibited by the high surface areas of the abundant Fe/Al-oxyhydroxides which dominate the system. Therefore, to enhance ASRB remediation capacity, future designs must optimize not only the organic carbon substrate but also include a pretreatment phase in which the bulk of dissolved Fe/Al-species are removed from the influent AMD prior to entering the bioreactor.

Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils

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Publisher : John Wiley & Sons
ISBN 13 : 0470487860
Total Pages : 502 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils by : James A. Jacobs

Download or read book Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils written by James A. Jacobs and published by John Wiley & Sons. This book was released on 2014-04-28 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides the tools needed to analyze and solve acid drainage problems Featuring contributions from leading experts in science and engineering, this book explores the complex biogeochemistry of acid mine drainage, rock drainage, and acid sulfate soils. It describes how to predict, prevent, and remediate the environmental impact of acid drainage and the oxidation of sulfides, offering the latest sampling and analytical methods. Moreover, readers will discover new approaches for recovering valuable resources from acid mine drainage, including bioleaching. Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils reviews the most current findings in the field, offering new insights into the underlying causes as well as new tools to minimize the harm of acid drainage: Part I: Causes of Acid Mine Drainage, Rock Drainage and Sulfate Soils focuses on the biogeochemistry of acid drainage in different environments. Part II: Assessment of Acid Mine Drainage, Rock Drainage and Sulfate Soils covers stream characterization, aquatic and biological sampling, evaluation of aquatic resources, and some unusual aspects of sulfide oxidation. Part III: Prediction and Prevention of Acid Drainage discusses acid-base accounting, kinetic testing, block modeling, petrology, and mineralogy studies. It also explains relevant policy and regulations. Part IV: Remediation of Acid Drainage, Rock Drainage and Sulfate Soils examines both passive and active cleanup methods to remediate acid drainage. Case studies from a variety of geologic settings highlight various approaches to analyzing and solving acid drainage problems. Replete with helpful appendices and an extensive list of web resources, Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils is recommended for mining engineers and scientists, regulatory officials, environmental scientists, land developers, and students.

Role of Sulfate-reducing Bacteria in the Attenuation of Acid Mine Drainage Through Sulfate and Iron Reduction

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ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (748 download)

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Book Synopsis Role of Sulfate-reducing Bacteria in the Attenuation of Acid Mine Drainage Through Sulfate and Iron Reduction by : Caryl Ann Becerra

Download or read book Role of Sulfate-reducing Bacteria in the Attenuation of Acid Mine Drainage Through Sulfate and Iron Reduction written by Caryl Ann Becerra and published by . This book was released on 2010 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: