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Murray-Gulde, C.L. |
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Contributions of Schoenoplectus californicus in a constructed wetland system receiving copper contaminated wastewater |
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Water, Air, Soil Pollut. |
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163 |
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1-4 |
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355-378 |
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mine water treatment |
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Abstract |
Functional roles of Schoenoplectus californicus, giant bulrush, were evaluated in an 3.2 ha (8-acre) constructed wetland treatment system receiving copper-contaminated water. The constructed wetland used in this research was designed to decrease bioavailable copper concentrations in a wastestream and eliminate associated toxicity to downstream biota by exploiting the thermodynamic processes responsible for copper speciation. This was achieved by integrating carbon, sulfur and copper biogeochemical cycles. In this system, S. californicus, which represents an integral part of the carbon cycle, provides a physical, chemical and biological role in removing metals from the aqueous phase. The specific contributions of S. californicus in this system are to provide a sustainable carbon source for removal of copper by (1) provision of an organic ligand for sorption of copper entering the system, (2) production of organic ligands through growth of S. californicus, (3) accretion of organic ligands over time due to decomposition of S. californicus detritus, and (4) use of organic carbon as an energy source for dissimilatory sulfate production. Shoots and roots of viable S. californicus sorbed 0.88% and 5.88%, respectively, of copper entering the system. The half-life of S. californicus detritus in the constructed wetland system was approximately 184 d, indicating that sufficient detritus will accrete over time, providing binding sites for copper and an energy source for bacterial metabolic processes that contribute to copper immobilization in wetland systems. |
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Contributions of Schoenoplectus californicus in a constructed wetland system receiving copper contaminated wastewater; Wos:000229973400022; Times Cited: 2; ISI Web of Science |
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CBU @ c.wolke @ 16969 |
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115 |
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Author |
Lovell, H.L. |
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Title |
Limestone Treatment Of Coal Mine Drainage |
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Journal Article |
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Year |
1971 |
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Min. Congr. J. |
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57 |
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10 |
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28-& |
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mine water treatment |
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0026-5160 |
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Limestone Treatment Of Coal Mine Drainage; Wos:A1971k631900002; Times Cited: 1; J Allen Overton Jr, 1920 N St Nw, Washington, DC 20036; ISI Web of Science |
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CBU @ c.wolke @ 9263 |
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101 |
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Author |
Lovell, H.L. |
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Title |
Mine Water Treatment Control |
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Journal Article |
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1971 |
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Min. Congr. J. |
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57 |
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6 |
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83-& |
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mine water treatment |
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Mine Water Treatment Control; Wos:A1971j677200018; Times Cited: 0; ISI Web of Science |
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CBU @ c.wolke @ 9264 |
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102 |
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Author |
Larsen, H.P. |
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Title |
Chemical Treatment Of Metal-Bearing Mine Drainage |
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Journal Article |
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1973 |
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J. Water Poll. Control Fed. |
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45 |
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8 |
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1682-1695 |
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mine water treatment |
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Chemical Treatment Of Metal-Bearing Mine Drainage; Wos:A1973q499100009; Times Cited: 12; ISI Web of Science |
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Call Number |
CBU @ c.wolke @ 9257 |
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100 |
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Author |
Bell, A.V. |
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Title |
Some Recent Experiences In Treatment Of Acidic, Metal-Bearing Mine Drainages |
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1975 |
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CIM Bull. |
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68 |
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764 |
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39-46 |
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mine water treatment |
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Some Recent Experiences In Treatment Of Acidic, Metal-Bearing Mine Drainages; Wos:A1975az60400006; Times Cited: 1; ISI Web of Science |
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CBU @ c.wolke @ 9249 |
Serial |
99 |
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