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Agency, U.S.E.P. |
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Book Whole |
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2006 |
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Acid mine drainage California Alpine County Bioreactors California Alpine County Bioremediation California Alpine County Hazardous waste site remediation California Alpine County |
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Research Laboratory, Office of Research and Development, United States Environmental Protection Agency |
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Cincinnati, OH. |
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Compost-free bioreactor treatment of acid rock drainage Leviathan Mine, California : innovative technology evaluation report |
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2 |
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Compost-free bioreactor treatment of acid rock drainage Leviathan Mine, California : innovative technology evaluation report; Cincinnati, OH. : National Risk Management Research Laboratory, Office of Research and Development, United States Environmental Protection Agency; Opac |
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CBU @ c.wolke @ 7248 |
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490 |
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Canty, G.A.; Everett, J.W. |
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Title |
Injection of Fluidized Bed Combustion Ash into Mine Workings for Treatment of Acid Mine Drainage |
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Journal Article |
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2006 |
Publication |
Mine Water Env. |
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25 |
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1 |
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45-55 |
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acid mine drainage AMD alkaline injection technology fluidized bed combustion ash Oklahoma |
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A demonstration project was conducted to investigate treating acid mine water by alkaline injection technology (AIT). A total of 379 t of alkaline coal combustion byproduct was injected into in an eastern Oklahoma drift coal mine. AIT increased the pH and alkalinity, and reduced acidity and metal loading. Although large improvements in water quality were only observed for 15 months before the effluent water chemistry appeared to approach pre-injection conditions, a review of the data four years after injection identified statistically significant changes in the mine discharge compared to pre-injection conditions. Decreases in acidity (23%), iron (18%), and aluminium (47%) were observed, while an increase in pH (0.35 units) was noted. Presumably, the mine environment reached quasi-equilibrium with the alkalinity introduced to the system. |
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1025-9112 |
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Injection of Fluidized Bed Combustion Ash into Mine Workings for Treatment of Acid Mine Drainage; 1; FG 6 Abb., 1 Tab.; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17319 |
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422 |
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Author |
Sasaki, K. |
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Title |
Immobilization of Mn(II) ions by a Mn-oxidizing fungus – Paraconiothyrium sp.-like strain at neutral pHs |
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Journal Article |
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Year |
2006 |
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Mater. Trans. |
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47 |
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10 |
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2457-2461 |
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mine water treatment |
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A Mn-oxidizing fungus was isolated from a constructed wetland of Hokkaido (Japan), which is receiving the Mn-impacted drainage, and genetically and morphologically identified as Paraconiothyrium sp.-like strain. The optimum pHs were 6.45-6.64, where is more acidic than those of previously reported Mn-oxidizing fungi. Too much nutrient inhibited fungal Mn-oxidation, and too little nutrient also delayed Mn oxidation even at optimum pH. In order to achieve the oxidation of high concentrations of Mn like mine drainage containing several hundreds g-m(-3) of Mn, it is important to find the best mix ratio among the initial Mn concentrations, inocolumn size and nutrient concentration. The strain has still Mn-tolerance with more than 380 g-m(-3) of Mn, but high Mn(II) oxidation was limited by pH control and supplied nutrient amounts. The biogenic Mn deposit was poorly crystallized birnessite. The strain is an unique Mn-oxidizing fungus having a high Mn tolerance and weakly acidic tolerance, since there has been no record about the property of the strain. There is a potentiality to apply the strain to the environmental bioremediation. |
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Immobilization of Mn(II) ions by a Mn-oxidizing fungus – Paraconiothyrium sp.-like strain at neutral pHs; Wos:000242429300002; Times Cited: 0; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 16940 |
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103 |
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Jarvis, A.P. |
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Effective remediation of grossly polluted acidic, and metal-rich, spoil heap drainage using a novel, low-cost, permeable reactive barrier in Northumberland, UK |
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Journal Article |
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2006 |
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Environmental Pollution |
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143 |
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2 |
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261-268 |
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mine water treatment |
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A permeable reactive barrier (PRB) for remediation of coal spoil heap drainage in Northumberland, UK, is described. The drainage has typical chemical characteristics of pH < 4, [acidity] > 1400 mg/L as CaCO3, [Fe] > 300 mg/L, [Mn] > 165 mg/L, [Al] > 100 mg/L and IS041 > 6500 mg/L. During 2 years of operation the PRB has typically removed 50% of the iron and 40% of the sulphate from this subsurface spoil drainage. Bacterial sulphate reduction appears to be a key process of this remediation. Treatment of the effluent from the PRB results in further attenuation; overall reductions in iron and sulphate concentrations are 95% and 67% respectively, and acidity concentration is reduced by an order of magnitude. The mechanisms of attenuation of these, and other, contaminants in the drainage are discussed. Future research and operational objectives for this novel, low-cost, treatment system are also outlined. (c) 2005 Elsevier Ltd. All rights reserved. |
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Effective remediation of grossly polluted acidic, and metal-rich, spoil heap drainage using a novel, low-cost, permeable reactive barrier in Northumberland, UK; Wos:000238277500010; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 16928 |
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109 |
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Wiessner, A.; Kuschk, P.; Buddhawong, S.; Stottmeister, U.; Mattusch, J.; Kästner, M. |
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Effectiveness of various small-scale constructed wetland designs for the removal of iron and zinc from acid mine drainage under field conditions |
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Journal Article |
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2006 |
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Engineering in Life Sciences |
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6 |
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6 |
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584-592 |
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Grubenentwässerung biologische-Abwasserreinigung Pflanze Zink Eisen Schwermetallentfernung Nassverfahren Grundwasserströmung Langzeitversuch Regen Prozesswirkungsgrad Reaktionsgeschwindigkeit Binsen Hydrokultur |
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A system of planted and implanted small-scale SSF (subsurface flow) and SF (surface flow) constructed wetlands together with HP (hydroponic systems) were installed to compare the removal efficiencies of Fe and Zn from AMD (acid mine drainage) under long-term field conditions. Maximum removal of 94 % – 97 % (116 mg/m(exp 2)/d – 142 mg/m(exp 2)/d) for Fe and 69 % – 77 % (6.2 mg/m(exp 2)/d – 7.9 mg/m(exp 2)/d) for Zn was calculated for the planted soil systems. The planted SSF was most sensitive to heavy rain fall. Short-term increases of the metal concentration in the outflows, short-term breakdowns of the Fe removal and continual long-term breakdowns of the Zn removal were observed. In contrast to Zn removal, all wetland types are applicable for Fe removal with maximum removal in the range of 60 % – 98 %. Most of the removed Fe and Zn was transformed and deposited inside the soil bed. The amount absorbed by the plants (0.03 % to 0.3 %) and gravel-associated soil beds (0.03 % to 1.7 %) of the total input were low for both metals. The response of the planted SSF to rainfall suggests a remobilisation of metals accumulated inside the rhizosphere and the importance of buffering effects of the surface water layers of SF systems. The importance of plants for metal removal was shown. |
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UFZ – Umweltforschungszentrum Leipzig-Halle, DE; King Mongkut's University of Technology Thonburi (KMUTT), Bangkok, TH |
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1618-0240 |
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Effectiveness of various small-scale constructed wetland designs for the removal of iron and zinc from acid mine drainage under field conditions; 39931, BERG , 08.01.07; Words: 506; 200612 02721; 9 Seiten, 7 Bilder, 3 Tabellen, 36 Quellen 3UXX *Belastung von Wasser, Wasserreinhaltung, Abwasser* 3PZI *biologischer Abbau und Bioremediation*; BERG, Copyright FIZ Technik e.V.; EN Englisch |
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CBU @ c.wolke @ 17578 |
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211 |
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