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Author |
Beaulieu, S. |
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Title |
Application des techniques de bioactivation et de bioaugmentation pour le traitement en conditions sulfato-réductrices des eaux de drainage minier acide |
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Book Whole |
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Year |
2003 |
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Ph.D. thesis |
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EÌcole Polytechnique, EÌcole Polytechnique |
Place of Publication |
MontreÌal |
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Application des techniques de bioactivation et de bioaugmentation pour le traitement en conditions sulfato-réductrices des eaux de drainage minier acide; Opac |
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CBU @ c.wolke @ 7182 |
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462 |
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Author |
McLeod, K.W.; Ciravolo, T.G. |
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Title |
Sensitivity of water tupelo (Nyssa aquatica) and bald cypress (Taxodium distichum) seedlings to manganese enrichment under water-saturated conditions |
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Journal Article |
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Year |
2003 |
Publication |
Environmental Toxicology and Chemistry |
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Volume |
22 |
Issue |
12 |
Pages |
2948-2951 |
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Heavy metals ecological abstracts: pollution (73 7 3) seedling saturated medium biomass manganese sensitivity analysis bioaccumulation Nyssa aquatica Taxodium distichum |
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Abstract |
In anaerobic soils of wetlands, Mn is highly available to plants because of the decreasing redox potential and pH of flooded soil. When growing adjacent to each another in wetland forests, water tupelo (Nyssa aquatica L.) had 10 times greater leaf manganese concentration than bald cypress (Taxodium distichum [L.] Richard). This interspecific difference was examined over a range of manganese-enriched soil conditions in a greenhouse experiment. Water tupelo and bald cypress seedlings were grown in fertilized potting soil enriched with 0, 40, 80, 160, 240, 320, and 400 mg Mn/L of soil and kept at saturated to slightly flooded conditions. Leaf Mn concentration was greater in water tupelo than bald cypress for all but the highest Mn addition treatment. Growth of water tupelo seedlings was adversely affected in treatments greater than 160 mg Mn/L. Total biomass of water tupelo in the highest Mn treatment was less than 50% of the control. At low levels of added Mn, bald cypress was able to restrict uptake of Mn at the roots with resulting low leaf Mn concentrations. Once that root restriction was exceeded, Mn concentration in bald cypress leaves increased greatly with treatment; that is, the highest treatment was 40 times greater than control (4,603 vs 100 < mu >g/g, respectively), but biomass of bald cypress was unaffected by manganese additions. Bald cypress, a tree that does not naturally accumulate manganese, does so under manganese-enriched conditions and without biomass reduction in contrast to water tupelo, which is severely affected by higher soil Mn concentrations. Thus, bald cypress would be less affected by increased manganese availability in swamps receiving acidic inputs such as acid mine drainage, acid rain, or oxidization of pyritic soils. |
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Address |
K.W. McLeod, Savannah River Ecology Laboratory, University of Georgia, P.O. Drawer E, Aiken, SC 29802, United States mcleod@srel.edu |
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0730-7268 |
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Sensitivity of water tupelo (Nyssa aquatica) and bald cypress (Taxodium distichum) seedlings to manganese enrichment under water-saturated conditions; 2574798; United-States 15; Geobase |
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CBU @ c.wolke @ 16010 |
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302 |
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Author |
Chua, A.S.M.; Takabatake, H.; Satoh, H.; Mino, T. |
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Title |
Production of polyhydroxyalkanoates (PHA) by activated sludge treating municipal wastewater: effect of pH, sludge retention time (SRT), and acetate concentration in influent |
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Journal Article |
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Year |
2003 |
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Water Res |
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37 |
Issue |
15 |
Pages |
3602-3611 |
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0043-1354 |
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Notes |
Production of polyhydroxyalkanoates (PHA) by activated sludge treating municipal wastewater: effect of pH, sludge retention time (SRT), and acetate concentration in influent; 1647413788; UB Bayreuth <703> TU Berlin <83> UB Braunschweig <84> SUB Bremen <46> UB Cottbus <Co 1> SLUB Dresden <14> SUB Goettingen <7> SUB+Uni Hamburg <18> TUB Hamburg <830> TIB/UB Hannover <89> UB Ilmenau <Ilm 1> UB Karlsruhe <90> ULB + FH Merseburg <3/55> BSB München <12> UB Stuttgart <93> UB Hohenheim <100> UB Trier <385> Österreichische ZB Physik, Wie; OLC-SSG Technik – Online Contents-Sondersammelgebiete |
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CBU @ c.wolke @ 2160 |
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417 |
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Author |
Banks, S.B. |
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Title |
The UK coal authority minewater-treatment scheme programme: Performance of operational systems |
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Journal Article |
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Year |
2003 |
Publication |
Jciwem |
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17 |
Issue |
2 |
Pages |
117-122 |
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Keywords |
mine water treatment |
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This paper summarises the performance of minewater-treatment schemes which are operated under the Coal Authority's National Minewater Treatment Programme. Commonly-used design criteria and performance indicators are briefly discussed, and the performance of wetland systems which are operated by the Coal Authority is reviewed. Most schemes for which data are available remove more than 90% iron, and average area-adjusted iron-removal rates range from 1.5 to 5.5 g Fe/m(2). d. These values, which are based on performance calculations, can be distorted by several factors, including the practice of maximising wetland areas to make best use of available land. Removal rates are limited by influent iron loadings, and area-adjusted iron-removal rates should be used with caution when assessing wetland performance. Sizing criteria for all types of treatment system might be refined if more detailed data become available. |
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0951-7359 |
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May; The UK coal authority minewater-treatment scheme programme: Performance of operational systems; Wos:000183641000009; Times Cited: 1; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10018.pdf; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 17457 |
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9 |
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Author |
Coulton, R.; Bullen, C.; Hallett, C. |
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Title |
The design and optimisation of active mine water treatment plants |
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Journal Article |
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Year |
2003 |
Publication |
Land Contam. Reclam. |
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Volume |
11 |
Issue |
2 |
Pages |
273-280 |
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Keywords |
sludge mine water treatment mine water active treatment precipitation iron manganese high density sludge sulphide Groundwater problems and environmental effects Pollution and waste management non radioactive manganese sulfide pollutant removal iron water treatment mine drainage |
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Abstract |
This paper provides a 'state of the art' overview of active mine water treatment. The paper discusses the process and reagent selection options commonly available to the designer of an active mine water treatment plant. Comparisons are made between each of these options, based on technical and financial criteria. The various different treatment technologies available are reviewed and comparisons made between conventional precipitation (using hydroxides, sulphides and carbonates), high density sludge processes and super-saturation precipitation. The selection of reagents (quick lime, slaked lime, sodium hydroxide, sodium carbonate, magnesium hydroxide, and proprietary chemicals) is considered and a comparison made on the basis of reagent cost, ease of use, final effluent quality and sludge settling criteria. The choice of oxidising agent (air, pure oxygen, peroxide, etc.) for conversion of ferrous to ferric iron is also considered. Whole life costs comparisons (capital, operational and decommissioning) are made between conventional hydroxide precipitation and the high density sludge process, based on the actual treatment requirements for four different mine waters. |
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Address |
R. Coulton, Unipure Europe Ltd., Wonastow Road, Monmouth NP25 5JA, United Kingdom |
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0967-0513 |
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Notes |
The design and optimisation of active mine water treatment plants; 2530436; United-Kingdom 4; Geobase |
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no |
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Call Number |
CBU @ c.wolke @ 17513 |
Serial |
59 |
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