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Passive Treatment Of Acid Mine Drainage With Sulphate Reducing Bacteria
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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.
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
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:
Book Synopsis Frontiers in Water-Energy-Nexus—Nature-Based Solutions, Advanced Technologies and Best Practices for Environmental Sustainability by : Vincenzo Naddeo
Download or read book Frontiers in Water-Energy-Nexus—Nature-Based Solutions, Advanced Technologies and Best Practices for Environmental Sustainability written by Vincenzo Naddeo and published by Springer Nature. This book was released on 2019-09-18 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume includes selected contributions presented during the 2nd edition of the international conference on WaterEnergyNEXUS which was held in Salerno, Italy in November 2018. This conference was organized by the Sanitary Environmental Engineering Division (SEED) of the University of Salerno (Italy) in cooperation with Advanced Institute of Water Industry at Kyungpook National University (Korea) and with The Energy and Resources Institute, TERI (India). The initiative received the patronage of UNESCO – World Water Association Programme (WWAP) and of the International Water Association (IWA) and was organized with the support of Springer (MENA Publishing Program), Arab Water Council (AWC), Korean Society of Environmental Engineering (KSEE) and Italian Society of Sanitary Environmental Engineering Professors (GITISA). With the support of international experts invited as plenary and keynote speakers, the conference aimed to give a platform for Euro-Mediterranean countries to share and discuss key topics on such water-energy issues through the presentation of nature-based solutions, advanced technologies and best practices for a more sustainable environment. This volume gives a general and brief overview on current research focusing on emerging Water-Energy-Nexus issues and challenges and its potential applications to a variety of environmental problems that are impacting the Euro-Mediterranean zone and surrounding regions. A selection of novel and alternative solutions applied worldwide are included. The volume contains over about one hundred carefully refereed contributions from 44 countries worldwide selected for the conference. Topics covered include (1) Nexus framework and governance, (2) Environmental solutions for the sustainable development of the water sector, (3) future clean energy technologies and systems under water constraints, (4) environmental engineering and management, (5) Implementation and best practices Intended for researchers in environmental engineering, environmental science, chemistry, and civil engineering. This volume is also an invaluable guide for industry professionals working in both water and energy sectors.
Book Synopsis Passive Treatments for Mine Drainage by : Cassandra Chidiac
Download or read book Passive Treatments for Mine Drainage written by Cassandra Chidiac and published by Springer Nature. This book was released on 2023-10-03 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book allows readers to grasp both the fundamentals and the latest technological advances in the field of mine drainage, which is increasingly crucial both environmentally and economically. Its extensive coverage of current and promising passive treatment technologies, combined with numerous practical guides, makes it an indispensable tool for early researchers seeking promising trends and identifying gaps. The book systematically explores recent literature on passive treatment research, classifying them as preventative, in-situ, and ex-situ solutions. It covers relevant passive treatments such as permeable reactive barriers, constructed wetlands, gravel bed reactors, saturated rock fills, and passivation techniques, among other common source control tactics. Each technology is discussed in terms of principal mechanisms, state-of-the-art technological advances, advantages and disadvantages, and suitability for a given mine drainage chemistry and flow regime. The book provides a comprehensive view of the entire field, offering researchers and policymakers a reference guide, research ideas, understanding, and practical applications for each technology. Furthermore, the contains an overview of recent trends in material selection for passive treatment applications, primarily through the use of industrial waste and by-products, which incorporate more sustainable practices in mine drainage remediation. Uniquely, the manuscript includes a flowchart based on water chemistry and flow rates to guide readers to ideal treatment options, along with written analysis to further support the readers’ decision-making. Overall, this equips early researchers in the field with knowledge of fundamentals and promising research routes when dealing with different mine drainage complexities while also providing them with promising research avenues that can advance the field further.
Book Synopsis Microbial Sulfate Reduction as a Method of Passive Treatment of Acid Mine Drainage Using Undefined Carbon Sources by : Leanne Zdyb
Download or read book Microbial Sulfate Reduction as a Method of Passive Treatment of Acid Mine Drainage Using Undefined Carbon Sources written by Leanne Zdyb and published by . This book was released on 1999 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microbial Sulphate Reduction in Passive Acid Mine Drainage Treatment Systems by : Susanna Elizabeth Coetser
Download or read book Microbial Sulphate Reduction in Passive Acid Mine Drainage Treatment Systems written by Susanna Elizabeth Coetser and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microbiological Treatment of Acid Mine Drainage Waters by : Continental Oil Company. Research and Development Department
Download or read book Microbiological Treatment of Acid Mine Drainage Waters written by Continental Oil Company. Research and Development Department and published by . This book was released on 1971 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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:
Book Synopsis Passive Treatment of Coal Mine Drainage by : Robert S. Hedin
Download or read book Passive Treatment of Coal Mine Drainage written by Robert S. Hedin and published by . This book was released on 1994 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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:
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.
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.
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:
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:
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:
Book Synopsis Passive in Situ Treatment of Acidic and Neutral Mine Drainage by : Matthew Bruce James Lindsay
Download or read book Passive in Situ Treatment of Acidic and Neutral Mine Drainage written by Matthew Bruce James Lindsay and published by . This book was released on 2009 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water quality degradation is the foremost environmental issue faced by the mining industry. Negative impacts on water quality are commonly associated with unmitigated drainage emanating from sulfide-bearing mine waste deposits. These impacts stem from the liberation of acidity, sulfate, metals (e.g. Fe, Ni, Cu, Zn and Pb), and trace elements (e.g. Co, As, Cd, Sb and Tl) during the oxidation of sulfide minerals. Drainage at operational mines is commonly treated using techniques such as chemical oxidation and acid neutralization, which can succeed in achieving regulatory discharge guidelines. However, active treatment techniques are commonly burdened by high capital and operating costs. The development of passive technologies for treatment of mine drainage, which promote sulfate reduction, metal-sulfide precipitation and alkalinity production, therefore present a cost-effective alternative for managing mine drainage quality. This thesis describes laboratory and field evaluations of techniques for passive in situ treatment of acidic and neutral mine waters. Laboratory batch experiments evaluated the treatment of acid mine drainage (AMD) with mixtures of organic carbon and zero-valent iron (ZVI) for use in permeable reactive barriers (PRBs). Modest increases in sulfate-reduction rates up to 15 % were achieved by amending organic carbon mixtures with 5 to 10 % (dry wt.) ZVI. Reactive mixtures containing organic carbon supported growth of sulfate-reducing bacteria (SRB) and facilitated removal of Fe, Zn, Cd, Ni, Co and Pb. However, organic carbon was necessary to support SRB growth and sulfate reduction. Removal of Zn, Cd, Ni, Co and Pb in the absence of organic carbon is attributed to sorption and (co)precipitation reactions at the ZVI surface. Scanning electron microscopy (SEM) and X-ray absorption near-edge structure (XANES) spectroscopy confirmed the presence of secondary Fe-sulfides in mixtures containing organic carbon. The dominant reaction product in these mixtures was identified as disordered mackinawite [Fe1+xS]. The addition of ZVI to organic carbon enhanced AMD treatment over the duration of this experiment; however, long-term evaluation is required to identify optimal reactive mixtures. Field-based investigations into passive management of near-neutral pH tailings pore-water were carried out at the Greens Creek mine, located near Juneau, Alaska, USA. These studies focused on delineation of mechanisms controlling tailings pore-water chemistry, and a evaluation of the effectiveness of organic carbon amendment of tailings for passive in situ management of pore-water quality. Results demonstrate that sulfide-mineral oxidation and carbonate dissolution are the primary influences on tailings pore-water composition. Pyrite [FeS2] accounted for 20 to 35 wt. % of the tailings mineral assemblage, whereas dolomite [CaMg(CO3)2] and calcite [CaCO3] were present at [les] 30 and 3 wt. %, respectively. The sulfide-mineral assemblage was dominated by pyrite; however, sphalerite [(Zn, Fe)S] and galena [PbS] were commonly observed, and tetrahedrite [(Fe, Zn, Cu, Ag)12Sb4S13], arsenopyrite [FeAsS], and chalcopyrite [CuFeS2] were present in lesser amounts. Geochemical analysis of tailings core samples generally agreed with mineralogical data. The occurrence of Cd, Cr, Co, Mo, Ni, Se, and Tl is attributed to their occurrence as impurities in primary sulfide phases. Most probable number (MPN) populations of neutrophilic sulfur-oxidizing bacteria (nSOB) and SRB were elevated at several locations within the tailings deposit. Near-neutral pH conditions dominated; however, elevated concentrations of dissolved SO4, S2O3, Fe, Zn, As, Sb, and Tl were observed within and below the oxidation zone. Field-scale experiments conducted over four years evaluated passive in situ treatment of pore-water by amending unoxidized tailings with 5 and 10 vol. % organic carbon. Field-scale cells were constructed to evaluate amendments containing differing mixtures of peat, dried spent brewing grain (SBG), and municipal biosolids (MB). Organic carbon amendment of the tailings supported the development of conditions favorable to sulfate reduction. Decreases in aqueous SO4 concentrations were observed in three cells amended with mixtures of peat, SBG, and MB. Removal of SO4 was generally accompanied by H2S production, enrichment in 34S-SO4, and increased SRB populations. Undersaturation of pore-water with respect to gypsum was observed. Sulfate reduction was sustained for the duration of the experiment in cells amended with 5 vol. % peat + SBG and 10 vol. % peat + SBG + MB. The addition of organic carbon also supported reductive dissolution of Fe(III) (oxy)hydroxides and mobilization of Fe and As. The largest increases in aqueous Fe and As concentrations were observed in cells amended with MB. Subsequent decreases in Fe and As concentrations were observed under sulfate-reducing conditions. Attenuation of Zn, Sb, and Tl accompanied SO4 removal. Mineralogical examination by SEM revealed the presence of secondary Zn-S and Fe-S precipitates on surfaces of organic carbon particles, and carbonate and aluminosilicate grains. This study demonstrates that amendment of tailings with a small and dispersed mass of organic carbon has potential to improve the quality of tailings pore water.
