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Author Peterson, D.E.; Kindley, M.J. openurl 
  Title The Golden Cross Mine water management system Type (down) Journal Article
  Year 1994 Publication New Zealand Mining Abbreviated Journal  
  Volume 14 Issue Pages 15-21  
  Keywords Australasia Coromandel Peninsula cyanides gold ores Golden Cross Mine metal ores mines New Zealand North Island tailings Waihi New Zealand waste water water management water treatment 30, Engineering geology  
  Abstract Because of its location in the sensitive Coromandel Peninsula, strict water management and environmental requirements had to be met on the Golden Cross Mine Project. This led to the development of new technologies for cyanide recovery and the adoption of advanced water management and water treatment systems. This paper discusses the water management and treatment system adopted for contaminated water at Golden Cross. While permit discharge levels must be and are met for mine discharge waters, the ultimate success of the water management system is demonstrated by the results downstream; biological surveys show no changes to the resident aquatic life in the river.  
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  ISSN 1170-4209 ISBN Medium  
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  Notes The Golden Cross Mine water management system; 1998-055867; New Zealand (NZL); GeoRef; English Approved no  
  Call Number CBU @ c.wolke @ 16732 Serial 271  
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Author Mosher, J. openurl 
  Title Heavy-metal sludges as smelter feedstock Type (down) Journal Article
  Year 1994 Publication Engineering and Mining Journal Abbreviated Journal  
  Volume 195 Issue 9 Pages 25-30  
  Keywords Metals Mining Groundwater Pollution USA Colorado California Gulch 3 Geology  
  Abstract Many industries produce a waste-water stream high in heavy metals. Disposal of sludge from these wastewater treatment plants has become increasingly difficult and expensive in the US due to passage of the Resource Conservation and Recovery Act's 'land disposal ban' for hazardous wastes. Innovative methods can be found for dealing with such wastes. For example, in performing a mandated clean-up under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), Asarco's California Gulch water-treatment plant in Colorado meets CERCLA clean-up goals while using a waste water treatment sludge as a smelter feedstock, recovering incidental saleable metals, and producing non-hazardous products. In this plant, Asarco treats acidic mine-drainage water having high metal concentrations and uses the waste sludge generated as a lime replacement in lead smelting operations. -Author  
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  Notes Heavy-metal sludges as smelter feedstock; (1084960); 95t-4357; Using Smart Source Parsing pp; Geobase Approved no  
  Call Number CBU @ c.wolke @ 17563 Serial 293  
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Author Michaud, L.H. openurl 
  Title Recent technology related to the treatment of acid drainage Type (down) Journal Article
  Year 1994 Publication Earth and Mineral Sciences Abbreviated Journal  
  Volume 63 Issue 3 Pages 53-55  
  Keywords acid mine drainage coal mine remediation passive treatment 3 Geology  
  Abstract The generation of acid mine drainage is a serious environmental problem associated with coal mining. The chemistry of acid mine drainage is outlined. The prevention and minimization of acid mine drainage formation is examined. The in situ inhibition and remediation of acid mine drainage is described. Methods for the passive treatment of acid mine drainage after formation are discussed. The design of treatment systems is considered. -P.M.Taylor  
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  Notes Recent technology related to the treatment of acid drainage; (1131431); 95k-15099; Using Smart Source Parsing 95. pp; Geobase Approved no  
  Call Number CBU @ c.wolke @ 17562 Serial 300  
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Author Huyssteen, E. van openurl 
  Title Evaluation of alternative dry covers for the inhibition of acid mine drainage from tailings Type (down) Journal Article
  Year 1994 Publication Abbreviated Journal  
  Volume Issue Pages  
  Keywords Bergbau Abfallbeseitigung Entsäuerung  
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  Notes Evaluation of alternative dry covers for the inhibition of acid mine drainage from tailings; Ottawa, Ontario; CANMET; Opac Approved no  
  Call Number CBU @ c.wolke @ 7062 Serial 345  
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Author Hedin, R.S.; Watzlaf, G.R.; Nairn, R.W. openurl 
  Title Passive treatment of acid-mine drainage with limestone Type (down) Journal Article
  Year 1994 Publication J. Environ. Qual. Abbreviated Journal  
  Volume 23 Issue 6 Pages 1338-1345  
  Keywords Carbonate ALD  
  Abstract The water treatment performances of two anoxic limestone drains (ALDs) were evaluated. Anoxic limestone drains are buried beds of Limestone that are intended to add bicarbonate alkalinity to flow-through acid mine drainage. Both ALDs received mine water contaminated with Fe2+ (216-279 mg L(-1)) and Mn (41-51 mg L(- 1)). Flow through the Howe Bridge ALD increased alkalinity by an average 128 mg L(-1) (CaCO3 equivalent) and Ca by 52 mg L(- 1), while concentrations of Fe, K, Mg, Mn, Na, and SO42- were unchanged. The Morrison ALD increased alkalinity by an average 248 mg L(-1) and Ca by 111 mg L(-1). Concentrations of K, Mg, Mn, and SO42- all decreased by an average 17%, an effect attributed to dilution with uncontaminated water. Iron, which decreased by 30%, was partially retained within the Morrison ALD. Calcite dissolution was enhanced at both sites by high P- CO2. Untreated mine waters at the Howe Bridge and Morrison sites had average calculated P-CO2 values of 6.39 kPa (10(- 1.20) atm) and 9.24 kPa (10(-1.04) atm), respectively. At both sites, concentrations of bicarbonate alkalinity stabilized at undersaturated values (SICalcite = 10(-1.2) at Howe Bridge and 10(-0.8) at Morrison) after flowing through approximately half of the limestone beds. Flow through the second half of each ALD had little additional effect on mine water chemistry. At the current rates of calcite solubilization, 17.9 kg d(-1) CaCO3 at Howe Bridge and 2.7 kg d(-1) CaCO3 at Morrison, the ALDs have theoretical effective lifetimes in excess of 20 yr. By significantly increasing alkalinity concentrations in the mine waters; both ALDs increased metal removal in downstream constructed wetlands.  
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  ISSN 0047-2425 ISBN Medium  
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  Notes Passive treatment of acid-mine drainage with limestone; 2; ISI:A1994PR00300029 als Datei vorhanden 3 Abb., 6 Tab.; VORHANDEN | AMD ISI | Wolkersdorfer Approved no  
  Call Number CBU @ c.wolke @ 17352 Serial 354  
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