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The BioSulphide Process to treat acid mine drainage and Anaconda tailings at Caribou Mine, New Brunswick |
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2002 |
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2002-3 |
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138 |
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acid mine drainage base metals bioremediation BioSulfide Process biosulfides Canada Caribou Mine copper Eastern Canada experimental studies heavy metals laboratory studies lead Maritime Provinces metal ores metals New Brunswick pollution recovery remediation sulfides tailings waste management water treatment zinc 22 Environmental geology 27A Economic geology, geology of ore deposits |
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Biomet Mining Corporation, R.B.C.C. |
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The BioSulphide Process to treat acid mine drainage and Anaconda tailings at Caribou Mine, New Brunswick; 2004-045115; GeoRef; English; 1702-2649 illus. |
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CBU @ c.wolke @ 16509 |
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495 |
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Zamzow, M.J.; Schultze, L.E. |
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Treatment of acid mine drainage using natural zeolites |
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1993 |
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International Conference on the Occurrence, Properties, and Utilization of Natural Zeolites |
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1993 |
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220-221 |
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abandoned mines; acid mine drainage; clinoptilolite; experimental studies; feasibility studies; framework silicates; hydrochemistry; mines; Nevada; northeastern Nevada; phillipsite; remediation; Rio Tinto Deposit; silicates; surface water; United States; zeolite group abandoned mines acid mine drainage clinoptilolite experimental studies feasibility studies framework silicates hydrochemistry mines Nevada northeastern Nevada phillipsite remediation Rio Tinto Deposit silicates surface water United States zeolite group |
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Treatment of acid mine drainage using natural zeolites; GeoRef: 95-04036 1 table; AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 9998 |
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192 |
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Aytas, S.O.; Akyil, S.; Aslani, M.A.A.; Aytekin, U. |
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Removal of uranium from aqueous solutions by diatomite (Kieselguhr) |
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1999 |
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Journal of Radioanalytical and Nuclear Chemistry |
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240 |
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3 |
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973-976 |
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acid mine drainage; actinides; adsorption; aqueous solutions; clastic rocks; concentration; decontamination; diatomite; experimental studies; isotherms; laboratory studies; metals; pH; physicochemical properties; pollution; remediation; sedimentary rocks; solutes; sorption; techniques; uranium; uranyl ion; waste disposal; waste water 22, Environmental geology |
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0236-5731 |
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Removal of uranium from aqueous solutions by diatomite (Kieselguhr); 2000-058980; References: 18; illus. incl. 3 tables International (III); GeoRef; English |
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CBU @ c.wolke @ 5964 |
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471 |
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Niyogi, D.K.; McKnight, D.M.; Lewis, W.M., Jr.; Kimball, B.A. |
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Experimental diversion of acid mine drainage and the effects on a headwater stream |
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1999 |
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Water-Resources Investigations Report |
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Wri 99-4018-A |
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123-130 |
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abandoned mines acid mine drainage algae benthonic taxa biomass biota Colorado experimental studies heavy metals Lake County Colorado Leadville Colorado metals mines pH Plantae pollution remediation Saint Kevin Gulch Colorado tracers United States USGS water zinc |
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An experimental diversion of acid mine drainage was set up near an abandoned mine in Saint Kevin Gulch, Colorado. A mass-balance approach using natural tracers was used to estimate flows into Saint Kevin Gulch. The diversion system collected about 85 percent of the mine water during its first year of operation (1994). In the first 2 months after the diversion, benthic algae in an experimental reach (stream reach around which mine drainage was diverted) became more abundant as water quality improved (increase in pH, decrease in zinc concentrations) and substrate quality changed (decrease in rate of metal hydroxide deposition). Further increases in pH to levels above 4.6, however, led to lower algal biomass in subsequent years (1995-97). An increase in deposition of aluminum precipitates at pH greater than 4.6 may account for the suppression of algal biomass. The pH in the experimental reach was lower in 1998 and algal biomass increased. Mine drainage presents a complex, interactive set of stresses on stream ecosystems. These interactions need to be considered in remediation goals and plans. |
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0092-332x |
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Experimental diversion of acid mine drainage and the effects on a headwater stream; 2; GeoRef: 2001-017199 als Datei vorhanden 4 Abb.; VORHANDEN | AMD ISI | Wolkersdorfer |
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CBU @ c.wolke @ 17398 |
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286 |
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Arnekleiv, J.V.; Storset, L. |
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Downstream effects of mine drainage on benthos and fish in a Norwegian river; a comparison of the situation before and after river rehabilitation |
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1995 |
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Heavy metal aspects of mining pollution and its remediation |
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52 |
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35-43 |
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Chordata copper Europe experimental studies fluvial environment Gaula River metals Norway Pisces pollutants pollution reclamation Scandinavia trace metals Vertebrata Western Europe zinc 22, Environmental geology |
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Parts of the Norwegian river Gaula are strongly polluted from former mining activity in the area. In the most polluted parts of the river the concentration levels of Cu and Zn in 1986-1987 were up to 155 mu g l (super -1) and 186 mu g l (super -1) , respectively. In 1989 the spoil heaps in the mining area were covered with protective layers of moss-covered plastic. In 1991-1992 the concentration levels of Cu and Zn had decreased by 75% and 65%, respectively. Animal life in the polluted area seemed to be strongly affected by the trace metals in 1986-1987. The 1991-1992 results showed a marked increase in the number of species and in the number of individuals of each species of Ephemeroptera and Plecoptera, compared with the results from 1986-87. Good correlations were found between the concentrations of Cu in the water and both the number of species and the number of individuals of Ephemeroptera and Plecoptera. Analysis of the species Baetis rhodani, Diura nanseni and Rhyacophila nubila showed an average total dry weight content of Cu up to 264 mu g g (super -1) , of Zn up to 1930 mu g g (super -1) and of Cd up to 16 mu g g (super -1) . The contents of the three trace metals were significantly different from one species to another and in part between the stations for each species. In 1987 trout died after an exposure of one to two days on three test sites in the river, whereas in 1991-1992 40-75% of the trout survived an exposure period of several weeks at two of the sites. Electrofishing in 1991-1992 indicated recolonization of trout in the lower parts of the former affected and uninhabitable area. |
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Downstream effects of mine drainage on benthos and fish in a Norwegian river; a comparison of the situation before and after river rehabilitation; 1995-033037; 9th international conference on Heavy metals in the environment, Toronto, ON, Canada, Sept. 12-17, 1993 Special Issue References: 23; illus. incl. 2 tables; GeoRef; English |
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CBU @ c.wolke @ 16683 |
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30 |
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