| Records |
| Author |
Yeon, K.-M.; Park, J.-S.; Lee, C.-H.; Kim, S.-M. |
| Title |
Membrane coupled high-performance compact reactor: A new MBR system for advanced wastewater treatment |
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Journal Article |
| Year |
2005 |
Publication |
Water Res |
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| Volume |
39 |
Issue  |
10 |
Pages |
1954-1961 |
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0043-1354 |
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Membrane coupled high-performance compact reactor: A new MBR system for advanced wastewater treatment; 1674274289; 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> Österreichische ZB Physik, Wie; OLC-SSG Technik – Online Contents-Sondersammelgebiete |
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| Call Number |
CBU @ c.wolke @ 2188 |
Serial |
201 |
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| Author |
Jong, T. |
| Title |
Microbial sulfate reduction under sequentially acidic conditions in an upflow anaerobic packed bed bioreactor |
Type |
Journal Article |
| Year |
2006 |
Publication |
Water Research |
Abbreviated Journal |
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| Volume |
40 |
Issue |
13 |
Pages |
2561-2571 |
| Keywords |
mine water treatment |
| Abstract |
The aim of this study was to operate an upflow anaerobic packed bed reactor (UAPB) containing sulfate reducing bacteria (SRB) under acidic conditions similar to those found in acid mine drainage (AMD). The UAPB was filled with sand and operated under continuous flow at progressively lower pH and was shown to be capable of supporting sulfate reduction at pH values of 6.0, 5.0, 4.5, 4.0 and 3.5 in a synthetic medium containing 53.5 mmol l(-1) lactate. Sulfate reduction rates of 553-1052 mmol m(-3) d(-1) were obtained when the influent solution pH was progressively lowered from pH 6.0 to 4.0, under an optimal flow rate of 2.61 ml min(-1). When the influent pH was further lowered to pH 3.5, sulfate reduction was substantially reduced with only about 1% sulfate removed at a rate of 3.35 mmol m(-3) d(-1) after 20 days of operation. However, viable SRB were recovered from the column, indicating that the SRB population was capable of surviving and metabolizing at low levels even at pH 3.5 conditions for at least 20 days. The changes in conductivity in the SRB column did not always occur with changes in pH and redox potential, suggesting that conductivity measurements may be more sensitive to SRB activity and could be used as an additional tool for monitoring SRB activity. The bioreactor containing SRB was able to reduce sulfate and generate alkalinity even when challenged with influent as low as pH 3.5, indicating that such treatment systems have potential for bioremediating highly acidic, sulfate contaminated waste waters. (c) 2006 Elsevier Ltd. All rights reserved. |
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Microbial sulfate reduction under sequentially acidic conditions in an upflow anaerobic packed bed bioreactor; Wos:000239469400012; Times Cited: 0; ISI Web of Science |
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no |
| Call Number |
CBU @ c.wolke @ 16929 |
Serial |
108 |
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| Author |
Jarvis, A.P.; Younger, P.L. |
| Title |
Passive treatment of ferruginous mine waters using high surface area media |
Type |
Journal Article |
| Year |
2001 |
Publication |
Water Res. |
Abbreviated Journal |
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| Volume |
35 |
Issue |
15 |
Pages |
3643-3648 |
| Keywords |
mine water treatment passive treatment mine water accretion oxidation iron manganese water treatment |
| Abstract |
Rapid oxidation and accretion of iron onto high surface area media has been investigated as a potential passive treatment option for ferruginous, net-alkaline minewaters. Two pilot-scale reactors were installed at a site in County Durham, UK. Each 2.0m high cylinder contained different high surface area plastic trickling filter media. Ferruginous minewater was fed downwards over the media at various flow-rates with the objective of establishing the efficiency of iron removal at different loading rates. Residence time of water within the reactors was between 70 and 360s depending on the flow-rate (1 and 12l/min, respectively). Average influent total iron concentration for the duration of these experiments was 1.43mg/l (range 1.08-1.84mg/l; n=16), whilst effluent iron concentrations averaged 0.41mg/l (range 0.20-1.04mg/l; n=15) for Reactor A and 0.38mg/l (range 0.11-0.93mg/l; n=16) for Reactor B. There is a strong correlation between influent iron load and iron removal rate. Even at the highest loading rates (approximately 31.6g/day) 43% and 49% of the total iron load was removed in Reactors A and B, respectively. At low manganese loading rates (approximately 0.50-0.90g/day) over 50% of the manganese was removed in Reactor B. Iron removal rate (g/m3/d) increases linearly with loading rate (g/day) up to 14g/d and the slope of the line indicates that a mean of 85% of the iron is removed. In conclusion, it appears that the oxidation and accretion of ochre on high surface area media may be a promising alternative passive technology to constructed wetlands at certain sites. |
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0043-1354 |
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Oct; Passive treatment of ferruginous mine waters using high surface area media; 9; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/9698.pdf; AMD ISI | Wolkersdorfer |
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no |
| Call Number |
CBU @ c.wolke @ 9698 |
Serial |
27 |
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Chua, A.S.M.; Takabatake, H.; Satoh, H.; Mino, T. |
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Production of polyhydroxyalkanoates (PHA) by activated sludge treating municipal wastewater: effect of pH, sludge retention time (SRT), and acetate concentration in influent |
Type |
Journal Article |
| Year |
2003 |
Publication |
Water Res |
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| Volume |
37 |
Issue |
15 |
Pages |
3602-3611 |
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0043-1354 |
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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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no |
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CBU @ c.wolke @ 2160 |
Serial |
417 |
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Matlock, M.M.; Howerton, B.S.; Atwood, D.A. |
| Title |
Chemical precipitation of heavy metals from acid mine drainage |
Type |
Journal Article |
| Year |
2002 |
Publication |
Water Res |
Abbreviated Journal |
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| Volume |
36 |
Issue |
19 |
Pages |
4757-4764 |
| Keywords |
mine water treatment BDET Acid mine drainage Water treatment Remediation Heavy metals Chemical precipitation Mercury Iron |
| Abstract |
The 1,3-benzenediamidoethanethiol dianion (BDET, known commercially as MetX) has been developed to selectively and irreversibly bind soft heavy metals from aqueous solution. In the present study BDET was found to remove >90% of several toxic or problematic metals from AMD samples taken from an abandoned mine in Pikeville, Kentucky. The concentrations of metals such as iron, may be reduced at pH 4.5 from 194 ppm to below 0.009 ppm. The formation of stoichiomietric BDET-metal precipitates in this process was confirmed using X-ray powder diffraction (XRD), proton nuclear magnetic resonance (1H NMR), and infrared spectroscopy (IR). |
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0043-1354 |
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Nov.; Chemical precipitation of heavy metals from acid mine drainage; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/15005.pdf; Science Direct |
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no |
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CBU @ c.wolke @ 15005 |
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48 |
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