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	Author	Erten-Unal, M.; Wixson, B.G.
	Title	Biotreatment and Chemical Speciation of Lead and Zinc Mine/Mill Wastewater Discharges in Missouri, USA			Type	Journal Article
	Year	1999	Publication	Water Air Soil Pollut.	Abbreviated Journal
	Volume	116	Issue	3-4	Pages	501-522
	Keywords	biotreatment lead and zinc mine wastewater MINTEQ speciation biotreatment lead and zinc mine wastewater minteq speciation trout salmo-gairdneri water
	Abstract	Continued mining development in the world's largest lead producing area has generated and increased concern over effective mine water treatment in Missouri's New Lead Belt. A new type of mine/mill wastewater treatment system was constructed which consisted of a tailings pond followed by a series of artificially constructed meandering biotreatment channels and a polishing lagoon. This system provided additional retention time and distance for the removal of heavy metals by abundant aquatic plants and sedimentation. Seasonal field sampling and analytical testing that evaluated the present system confirmed that it provided good treatment for removal of heavy metals within the company property and produced a final effluent within the state and federal regulatory guidelines. On average, greater than 95% of zinc and manganese in the drainage water were removed by the biotreatment system, while lead and copper were 50 to 60%. A chemical equilibrium model, MINTEQ, was also used to identify various species of lead and zinc in the biotreatment system. The model predicted that the major species of carbonates and hydroxides would be the predominant complexes of lead and zinc for the pH and alkalinity values reported in the biotreatment system. These results were also supported by the literature.
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	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0049-6979	ISBN		Medium
	Area		Expedition		Conference
	Notes	Dec.; Biotreatment and Chemical Speciation of Lead and Zinc Mine/Mill Wastewater Discharges in Missouri, USA; Isi:000083273200004; file:///C:/Dokumente%20und%20Einstellungen/Stefan/Eigene%20Dateien/Artikel/10115.pdf; AMD ISI \| Wolkersdorfer			Approved	no
	Call Number	CBU @ c.wolke @ 17472			Serial	16
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